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  • research scientist - RL

    Cerebro 3.3company rating

    Principal research scientist job in San Francisco, CA

    Join a Leading Applied Research Lab Pushing the Boundaries of Reinforcement Learning Are you passionate about advancing the frontiers of reinforcement learning (RL)? An innovative AI research lab is seeking talented and ambitious scientists to shape the next generation of RL techniques-especially where they intersect with large models and environment generation. About the Role As an AI Research Scientist focused on RL, you will: Develop novel optimization-based methods for automated RL environment generation Establish baselines for evaluating the quality and diversity of RL environments Design infrastructure to create dynamic environments from historical datasets and agent evaluations Drive your own research agenda, contributing directly to the progress of our platform and the broader AI community What We're Looking For PhD (or equivalent experience) in machine learning, computer science or a related field Strong publication record and/or evidence of research impact (open source, deployed systems, etc.) Deep expertise in reinforcement learning and machine learning fundamentals Proficient in Python and at least one modern ML framework (such as PyTorch or JAX) Bonus Points Experience with post-training large language models (LLMs) Demonstrated software engineering skills Ability to communicate research findings effectively to both technical and non-technical audiences
    $150k-251k yearly est. 23h ago
  • Research Scientist

    Kadence

    Principal research scientist job in San Francisco, CA

    About the Company We are a seed-stage AI company building the industry standard for evaluating and benchmarking large language models on real enterprise tasks. About the Role As a Research Scientist, you will develop new benchmarks, methodologies, and evaluation pipelines that shape how cutting-edge models are assessed, compared, and deployed in production environments. Your work will directly influence model selection and safety decisions across foundation model labs, high-growth AI product companies, and Fortune-scale enterprises. Responsibilities Benchmarking & Model Analysis Evaluate newly released models as they launch (e.g., Gemini, DeepSeek, etc.) Run large-scale assessment workflows using internal evaluation infrastructure Compare model performance across enterprise-grade task categories Design New Benchmarks from Scratch Identify high-value model application domains through research exploration Construct datasets, including labeling strategy and workforce coordination Write short “white-paper-style” summaries explaining benchmark purpose, method, and findings Advance Automated Evaluation Methodologies Improve systems for scoring generated text beyond standard metrics Explore research in reference-free, rubric-based, and human-aligned evaluation Develop new techniques for reliability, consistency, and repeatability Cross-functional Collaboration Work closely with engineering to scale evaluation infra Partner with customers to refine evaluation relevance and task fit Influence product direction through research insights Qualifications 0-3 years post-grad experience (Master's, PhD, or equivalent applied research) Publications, preprints, or demos showing cutting-edge work Experience with diffusion models, NLP, multimodal, or benchmarking work Ability to operate independently with ambiguity Clean, maintainable research codebases Candidates from: top engineering/research universities applied AI startups well-regarded research internships Required Skills Built or contributed to a benchmark or evaluation methodology Experience in enterprise task model evaluation Stanford / top lab adjacency (per their historical hiring success) Preferred Skills Wants to publish as primary motivation Purely academic with slow timelines Big-tech culture fit concerns (Meta / Google / Salesforce specifically noted-but case-by-case) Pay range and compensation package Base Salary: up to $250K depending on background Equity: typically 0.3% - 0.5%, flexibility for exceptional candidates Rapid equity refresh possible based on impact Equal Opportunity Statement Visa sponsorship available. Relocation support. Health & dental coverage. Lunch + dinner provided, snacks & coffee. Unlimited PTO. Weekly happy hours with community guests. Team events (bowling, hiking, rock climbing, etc.). Swag program (hats, etc.). Work Environment & Culture In-person, San Francisco HQ (required). Core hours: 9-5, some teammates extend voluntarily. Most team members work 1 weekend day per week (flexible). High-ownership, low-ego, collaborative. Live demos Mondays, team lunch Thursdays, community Fridays. Early-stage pace, applied focus-not academic publishing. Tech Environment (while research-focused, exposure beneficial) Backend: Python / Django. Frontend: React + TypeScript. Infra: AWS. Evaluation frameworks + internal tooling. Why This Role Is Unique The company already collaborates with foundation model labs, high-growth AI vertical product companies, and Fortune 500 enterprises (not publicly facing). ChatGPT Vals AI $5M seed raised, runway of 2+ years at current burn. Only one research scientist is being hired-true founding impact. Opportunity to define industry standards for model trust, reliability, and certification. Positioned to become the rating agency for generative AI.
    $250k yearly 1d ago
  • Research Scientist

    Goliath Partners

    Principal research scientist job in Santa Rosa, CA

    We're working with a San Francisco client that's got a research team of 50~ professionals and looking to further expand it. They are specifically looking to flesh out their Research Group by hiring a Research Scientist on a hybrid basis. They have seen $300M in a recent fund raise. Skills targeted: PhD in Physics/ Quantum Physics/ Theory/ Statistics/ Mathematics/ Computational Science or similarly related field. 2+ YoE working with AI Agents. Good exposure to LLMs. Ideally a background in Audio focused research. Alternatively Search, would also be highly advantageous. TC package of $1-1,5M with sizeable base salary & equity package. If that looks of interest, apply & Goliath will be in touch!
    $94k-157k yearly est. 23h ago
  • Research Scientist - Vision Data Infrastructure

    Storm3

    Principal research scientist job in San Francisco, CA

    Research Scientists/Engineers (all levels) 🔍 Focus on Vision Data Infrastructure 🤖 Fundamental AI Research Institute 🌎 San Francisco Bay Area, USA 💸 $250,000 - $600,000 salary + annual bonus Come join one of the only research institutions globally with resources to compete with top AI companies =>10s of 1000s of GPUs to explore state-of-the-art research in LLMs, Multimodal and Agentic AI. Currently seeking AI talent with expertise in building scalable pipelines for vision data to support both image/video generative training and multi-modal alignment. You'll design high-performance pipelines for large-scale image and video datasets, enabling efficient pretraining, alignment, and simulation-based data generation. Responsibilities: Vision Data Sourcing & Curation Collect and organize image and video data from open datasets and the web. Handle data cleaning, filtering, deduplication, and metadata generation. Ensure ethical and compliant data collection at scale. Processing & Augmentation Build high-throughput pipelines for vision data preprocessing (frame extraction, resolution normalization, format conversion, latent caching). Implement GPU-accelerated augmentation and distributed data loading (WebDataset, TFRecords, Parquet). Synthetic & Simulation-Based Data Generation Use simulation tools (e.g., Unreal Engine 5, Isaac Sim, Unity) to generate high-quality synthetic vision data. Create specialized datasets for VLM training, visual reasoning, and agent interaction. Requirements: Strong experience with data engineering, computer vision, or machine learning infrastructure. Expertise in building and scaling ETL/data pipelines for large unstructured datasets. Proficiency with Python, PyTorch, and distributed data frameworks (e.g., Ray, Spark, Dask). Experience with WebDataset, TFRecords, Parquet, or similar high-throughput data formats. Familiarity with GPU-accelerated preprocessing, NVIDIA DALI, or equivalent systems. Understanding of image/video codecs, data compression, and cloud storage optimization. Preferred Experience: Prior work with simulation-based or synthetic data generation using Unreal Engine, Isaac Sim, or Unity. Experience curating datasets for multimodal or vision-language model training. Knowledge of data ethics, privacy, and compliance frameworks for large-scale AI datasets. Experience contributing to open datasets or data-centric AI research. Why apply: Opportunity to join a fast-growing core team that are already pushing AI breakthroughs Highly competitive salary package Work alongside ambitious and bright superstars from tech and academia Medical, Dental and Vision Insurance Relocation package available 🌎 San Francisco Bay Area, USA 📧 Interested in applying? Please click on the ‘Easy Apply' button or alternatively email me your resume at ************************
    $95k-160k yearly est. 2d ago
  • R&D Principal Scientist

    M2 Ingredients 4.5company rating

    Principal research scientist job in Vista, CA

    This is a hybrid position, located in Vista, CA. Unfortunately, we are not able to provide visa sponsorship at this time. About the Company We are passionate about our mission to harness the amazing power of mushrooms for healthier lives. M2 Ingredients is the leading vertically integrated organic functional mushroom solution provider in the Western Hemisphere. We grow our portfolio of functional mushrooms indoors in our controlled, state-of-the-art facility in Vista, CA. M2 Ingredients sells its functional ingredients to global brands in the supplement, beverage and food channels. M2 Ingredients was founded in 2010 by Sandra Carter, a health and wellness expert with a PhD in preventative medicine, and Steve Farrar, a mycologist with over 30 years of experience in growing mushrooms. Both founders are active in the business. Position Summary: The R&D Principal Scientist will lead projects for testing method development & optimization for the M2 Ingredient business. The R&D Principal Scientist will be charged to lead projects related to the improvements of the M2 ingredient portfolio to improve the ingredients potency and bioavailability through strain selection, growth conditions, bioactive compound testing method development and ingredient processing. The R&D Principal Scientist will also participate in the operational readiness to ramp up and launch new ingredients on time, with a high level of quality and maximum customer availability. A successful R&D Principal Scientist is a creative and collaborative partner, is driven, organized, and detail oriented and is thoughtful and effective in problem solving and responding to the customer's needs. Position Responsibilities Collaborate with external labs to optimize and develop analytical methods to strengthen the M2 Ingredients product specifications. Develop and validate through testing the Finish Product Specifications of each new ingredient as it relates to the functional and nutritional benefits of the product. Support the FSQA team in investigation that involves testing method viability and accuracy. Actively participate in new ingredient development, from discovery and initial feasibility assessment to product qualification, business evaluation and commercialization such as new strain development to create ingredient specification that are more competitive in the marketplace. Contribute new ideas within the cross-functional team that drives the innovation pipeline at M2 Ingredients through scientific and technical insights. Ensure projects meet deadlines, quality and regulatory standards from ideation to full scale production by engaging the cross functional team on the project timeline and keeping the team informed and accountable throughout the development phases. Collaborate with CSO and Mycology team on creating patent filing submission dossiers and contribute to patent strategy. Qualifications M.Sc. in chemistry, biochemistry or other relevant science degrees. 5 + years of experience in the functional ingredients, dietary supplements or functional food industry in product development role including experience formulating, leading plant trials and production start-up. Laboratory experience or experience interpreting results for the following analytical methods an asset: mass spectrometry, DNA sequencing, chromatography, antibody assays. Experience managing external laboratories and contract research organization Excellent verbal and written communication skills. Proven ability to prioritize and organize workload to ensure timely delivery of tasks. Passion for product testing, food science and safety and quality in the food industry. Exceptional ability to identify and resolve problems efficiently and effectively by providing appropriate solutions. COMPENSATION & BENEFITS This full-time role will receive a competitive salary + benefits, including medical, dental, vision, PTO, 401k match. This position's anticipated annual pay range is $120,000 - $140,000 plus an annual bonus. Various factors are considered when determining an individual's compensation-including a candidate's professional background, education, certifications, experience, professional licenses, and location. Final offer amounts may vary from the amounts listed. We neither ask for nor consider the salary history of applicants. We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. LOCATION M2 Ingredients is located in Vista, CA (about 35 miles north of San Diego and 60 south of Orange County). This position requires you to work full time, on-site in our Vista, CA location minimum of 3 days per week.
    $120k-140k yearly 2d ago
  • AI/ML Scientist

    Saragossa

    Principal research scientist job in San Mateo, CA

    AI/ML Scientist - Build the Future of Physics AI- $250,000 to $275,000 Salary You will be part researcher, part builder, part pioneer, someone who thrives at the intersection of machine learning and physics based simulation. The platform is built on massively scalable, cloud native simulation technology that makes it possible to run thousands of high fidelity simulations quickly and easily. This foundation unlocks something big, enabling the generation of large scale datasets that power the next generation of ML models across industries. You will be on the front lines of building and productizing new machine learning approaches for physics based problems, from CFD to thermal simulation. Your work will not just live in a paper, it will deliver measurable value to customers, shape new product capabilities, and push the boundaries of what is possible in Physics AI. You know that rush when your work goes from experiment to production, when the models perform, the results hold up, and you can see the impact firsthand? That is what this role is about. Ready to shape the future of Physics AI? Let's talk. No up to date resume required.
    $250k-275k yearly 2d ago
  • Research Scientist

    Hruckus

    Principal research scientist job in Monterey, CA

    Veteran-Owned Firm Seeking DSP Communications Research Scientist with TS/SSBI/SCI for a Role in Monterey, CA My name is Stephen Hrutka. I lead a Veteran-Owned management consulting firm in Washington, DC. We specialize in Technical and Cleared Recruiting for the Department of Defense (DoD), the Intelligence Community (IC), and other advanced defense agencies. At HRUCKUS, we support fellow Veteran-Owned businesses by helping them recruit for positions across organizations such as the VA, SBA, HHS, DARPA, and other leading-edge R&D-focused defense agencies. We seek to fill a DSP Communications Research Scientist role in Monterey, CA. The ideal candidate should possess a TS/SSBI/SCI clearance, hold an M.S. in a relevant field (Ph.D. preferred), and have at least 2 years of professional experience, with 5 years being highly desirable. If you're interested, I'll gladly provide more details about the role and discuss your qualifications further. Thanks, Stephen M Hrutka Principal Consultant HRUCKUS LLC Executive Summary: HRUCKUS seeks a DSP Communications Research Scientist with TS/SSBI/SCI for a role in Monterey, CA. Position Description: We seek a highly qualified research engineer/scientist to solve challenging technical problems in signal processing that are critical to national security. Our client has a national reputation for delivering uniquely capable solutions to very challenging problems and a long track record of consistent innovation and success against the most difficult issues faced by their customers. These problems typically involve processing of signals in very stressful RF conditions, including low signal-to-noise ratio, high levels of interference, and non-stationary environments. Position Duties: Research, design, and implement advanced signal processing algorithms in software for various RF applications. Work as an individual principal investigator or part of a small team of engineers. Perform RF signal and data analysis, reverse engineering, simulation, and modeling. Implement new algorithms in C/C++ and Python. Support transition of algorithms to real-time, high-performance production computing environments. Communicate effectively, verbally and in writing, on complex technical subjects to customers, end-users, and partners at varying levels appropriate to each audience. Translate customer objectives to technical requirements, manage performance and schedule expectations, and communicate project status and technical performance evaluations. Required Expertise and Experience: An outstanding background in signal processing, digital communications, detection and estimation theory, remote sensing, radar signal processing, adaptive antenna array processing, or navigation/geolocation. Demonstrated programming skills and experience in scientific programming are required. The ideal candidate has experience implementing signal processing algorithms in C/C++ and Python. The successful applicant will have extensive expertise and experience in one or more of the following fields: Signal processing Digital communications Detection and estimation theory Remote sensing Radar signal processing Adaptive antenna array processing Navigation/geolocation Desired Qualifications: Some experience with Linux and open-source tool chains is desirable. Experience with software-defined radio (SDR), baseband architecture, RF architecture, and/or wireless propagation and modeling is desirable. Experience with modern communications protocols, including LTE, WCDMA, GSM, 802.11, or 802.16, is desirable. Knowledge of numerical linear algebra is a plus. Good customer communication and presentation skills (written and verbal) are essential. Required Education and Experience: An M.S. in a related field is required, and a Ph.D. is desirable. U.S. Citizenship is required with an in-scope Top Secret/SSBI. A minimum of two years of work experience is required; five or more years is desirable. Details: Job Title: DSP Communications Research Scientist. Locations: Monterey, CA. FULL RELOCATION PAID. Security Clearance Requirement: TS/SSBI/SCI. Assignment Type: Full-time. Salary Range: $126,000 to $174,000 per year.
    $126k-174k yearly 23h ago
  • Senior R&D Scientist - Atmospheric Water Harvesting

    Scientific Search

    Principal research scientist job in Irvine, CA

    Join a trailblazing startup founded by a renowned Professor in transforming the future of water and air. As a Senior R&D Scientist, you'll be at the heart of pioneering technologies for atmospheric water harvesting and CO2 capture, driving innovations that make a global impact. Why You Should Apply Lead cutting-edge research in atmospheric water harvesting. Competitive salary and benefits package. Collaborate with top-tier scientists and engineers. Play a crucial role in the commercialization of breakthrough technologies. Contribute to sustainability and environmental solutions. What You'll Be Doing: Work with the head of Product Engineering to scale up MOF/COF-based technologies. Collaborate with R&D scientists on technical and functional specifications. Design and develop heat management systems, optimizing components like heat exchangers and thermal storage. Scale technologies from prototype to commercial stage. Optimize system parameters to enhance performance, efficiency, and safety. Evaluate and manage sourcing of materials and components. Set up QC/QA processes and procedures for production. Maintain detailed electronic notebooks and contribute to intellectual property. Report periodically to management and participate in technical meetings. About You: PhD in mechanical engineering or a similar field with a strong research background. Proficient in thermodynamics, fluid mechanics, and heat transfer. Over 5 years of industrial R&D experience. Skilled in designing system-level prototypes and using simulation tools. Familiar with health and safety procedures in production. Excellent teamwork, problem-solving, and communication skills. How To Apply We'd love to see your resume, but we don't need it to have a conversation. Send us an email to *********************** and tell us why you're interested. Or, feel free to email your resume. Please include Job#19433.
    $103k-155k yearly est. 1d ago
  • Scientist: In Vivo Pharmacology

    Proclinical Staffing

    Principal research scientist job in Palo Alto, CA

    Scientist, In Vivo Pharmacology - Permanent - Palo Alto, CA Where curiosity meets purpose-join us in shaping the future of science. Primary Responsibilities: Proclinical is seeking a highly motivated, dynamic Scientist to support in vivo research on our cutting-edge pipeline and discovery programs. You will be involved in the preparation and execution of murine animal experiments and the collation of data. The Scientist of In Vivo Pharmacology will: Preparation for and execution of translational experiments such as in vivo pharmacology and disease model experiments, including experiments in knockout and transgenic mice Animal handling during murine experiments, and handling of murine tissues resulting from animal experiments Management of relationships with third-party vendors on mouse breeding and shipping Identification, ordering, organization, storage, and proper disposal of laboratory reagents required for studies In collaboration with the Laboratory Biology team, aid in maintaining laboratory space and inventory Recording and filing data, preparing technical reports, and study summaries Report progress of projects in a timely and concise manner to supervisor May independently lead the development and implementation of new assays to support research projects; may independently execute experiments and perform data analyses of moderate complexity; may have responsibility for specific method or study. Occasionally provides assistance to and/or mentoring other technical staff, new research staff or interns Manages personal experimental timelines to meet project and personal goals Presents findings at the scientist, department, and site-level. Function as part of a collaborative team to support research needs Contribute to the optimal functioning of the research team, including implementation of new tools and technologies. Skills & Requirements: S. and 7+ years of laboratory experience (academic and/or industry) or M.S. with 5+ years of laboratory experience (academic and/or industry) Degree must be in a life sciences discipline, preferably cellular and/or molecular biology, biochemistry, and/or microbiology/immunology 3+ years of hands-on experience with in vivo murine research required, with mouse pharmacology and inflammation disease model experiments highly desired Experience in experimental techniques such as handling of animal tissue, cell culture, qRT-PCR, flow cytometry, and ELISAs/MSDs is required Experience in immunology research, including research with primary immune cells, would be valuable Must be highly organized, punctual, and precise both in regards to performing laboratory experiments as well as maintenance of the laboratory space. Ability to work independently and occasionally during non-traditional work hours as may be required by some experiments and will need to be comfortable in a laboratory and animal facility setting. Possesses effective problem-solving, organizational, and communication skills Experience with Microsoft software suite (Word, Excel, PowerPoint), and other commonly used computer applications (Zoom, MS Teams, Box, etc.) Clear and effective communicator across verbal, written, and interpersonal settings If you are interested in applying to this exciting opportunity, then please click 'Apply' or to speak to one of our specialists please request a call back at the top of this page. Proclinical is a leading life sciences recruiter focused on finding exceptional people and matching them with the finest positions across the globe. Proclinical is acting as an Employment Agency in relation to this vacancy. By submitting this application, you confirm that you've read and understood our privacy policy, which informs you how we process and safeguard your data - https://www.proclinical.com/privacy-policy
    $104k-165k yearly est. 23h ago
  • Product Development Scientist

    Notco

    Principal research scientist job in San Jose, CA

    We are a group of people united by a strong purpose. We want you to get to know us, and Giuseppe, our very own artificial intelligence. We love good food, but above all, we love the planet, and that's why, to protect it, we reinvent the food industry, one delicious bite at a time, elevating what we eat, through our technology and based on plants. Our recipe has three mega-important components: science, technology, and of course, disruptive talents who work daily to create a better future. At NotCo we are not and do not seek to be the perfect company, but rather the right one. We are here to produce changes, and that is why we dare, fail, and sometimes achieve incredible successes. We are currently looking for a Product Development Scientist for our NotCo B2B Research & Development located in San Francisco, California, requiring an active on-site presence. This position will report to our R&D Sr. Team Lead and the incumbent will work cross-functionally to ensure R&D activities are successfully deployed locally. Responsible for the: Independently conducts day-to-day product development activities as directed by the manager across multiple projects. This includes supporting activities related to the full product lifecycle process (from product concept to successful commercial launch as needed)and supporting process development, scale-up and technology transfer Supports the design and execution of bench-top tests, pilot-plant trials and full-scale formulations to deliver high-quality food products that meet and exceed the sensory, cost, and other performance targets Proactively proposes and uses sensory and analytical analysis to guide and validate the development process Maintains detailed documentation, experiment tracking and outcomes, and documents finished goods and ingredient specifications Provides feedback to project lead regarding relevant technical and process information Communicates proactively and effectively with cross-functional teams, clearly articulating perspectives and trade-offs related to new product development goals Utilizes NotCo's proprietary AI technology to develop and improve food products Supports formula validation activities as well as process development, scale-up and technology transfer Engages in client communications and workshops, bringing technical Maintains detailed documentation across all R&D activities in a timely manner Qualifications / Requirements: Bachelor's degree in Food Engineering, Food Science, Engineering in Biotechnology or a similar discipline. 2 + years of Food R&D experience is desired, preferably across both food and beverage categories. Be agile, adaptable, and thrive in a dynamic and changing culture; works relentlessly to overachieve, anticipate obstacles, and create plans to overcome them. Adapts easily to changing priorities and direction based on new project learnings and team priorities. Demonstrated competency to effectively communicate (oral & written) cross-functionally with solid collaboration skills. Comfortable in client-facing situations and able to communicate complex topics clearly and simply. Excel in a startup environment, is excited to create new procedures and processes from scratch and has a strong entrepreneurial mindset. Be a problem solver, have a general manager mindset, and take the initiative to get the job done Possess strong planning, project management, and execution skills, and the ability to articulate where and how you have used them. Rigorous data-driven/analytical capability and ability and presence to present data effectively to a leadership team Work well in teams and cross-functional groups in a matrixed environment, both regionally and globally Possesses strong computer skills, including a high level of proficiency in MS Office, specifically Excel Authorization to work in the U.S. is required Ability to travel up to 50% of the time, including international travel and extended trips. NotCo is committed to fair and equitable compensation practices. The pay range for this role is $65,000 - $75,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor. We are an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
    $65k-75k yearly 2d ago
  • Postdoctoral Fellow - Developmental Services (Casual) - Developmental Evaluation Clinic

    Rady Children's Hospital San Diego 4.2company rating

    Principal research scientist job in Murrieta, CA

    **This is a casual position which is subject to renewal by 08/31/2027. It is recommended that candidates have a Doctoral Degree and internship completed prior to start.** Under supervision, the Postdoctoral Fellow - Dev Services provides direct patient care for children and related contact with individuals, schools, agencies, and allied professionals. Conducts diagnostic assessments including writing comprehensive reports that includes specific recommendations for appropriate intervention services, implements therapies, care plans, and counseling for patients, families, and groups. Documents patient care in the clinical record according to regulatory agency guidelines. Administers, scores, and interprets psychological testing for children and adolescents based on an understanding of age, culture, and developmental level. MINIMUM QUALIFICATIONS: 1 year of experience with clinical assessment of children, preferably testing children under age 6 years Clinical exposure to children with autism spectrum disorders Educational background in diagnostic assessments Must have written documentation from graduate program verifying all requirements for a Doctoral Degree in Clinical Psychology have been met before the start of the fellowship PREFERRED QUALIFICATIONS: APA accredited doctoral graduate program & internship Spanish speaking **The current salary range for this position is $33.00 to $33.00** Rady Children's Hospital is committed to compensation that is externally competitive and internally equitable. We demonstrate this commitment by conducting regular market reviews to remain competitive with organizations of similar size in the nonprofit, healthcare sector. The range listed above does not represent the full salary range for the position but is the expected hiring range for qualified candidates. Compensation decisions consider a variety of factors including experience, education, licensure, unique skillsets, organizational need, and internal equity. This posting will remain open from the "date posted" until the hiring manager has determined there is a sufficient applicant pool or until the position is filled. EOE including disability/vet
    $33-33 hourly 48d ago
  • Post Doctoral Fellow

    Loma Linda University Health 4.7company rating

    Principal research scientist job in Loma Linda, CA

    Job Summary: The Postdoctoral Fellowship provides mentoring and additional training that will prepare a recent doctoral graduate for an independent position in teaching, direct services, or research. Performs other duties as needed. The Center for Nutrition, Healthy Lifestyles, and Disease Prevention in the School of Public Health at Loma Linda University is currently accepting applications for a Postdoctoral Fellowship to advance the research of Environmental Nutrition. The goal of our research is to move society toward a sustainable food system. A great applicant will have a doctoral degree in a field in nutritional epidemiology or environmental health, a background or training in public health, proven quantitative skills working on large data sets, and professional English writing skills. A working knowledge of plant-based nutrition will be helpful as well as an interest in trans-disciplinary research. For more information go to environmentalnutrtion.org Education and Experience: Doctoral Degree required. Minimum one year of experience preferred. Knowledge and Skills: Knowledge of search policies, regulations (institutional, state, and federal), business processes and best practices; read and write legibly; speak in English with professional quality; communicate effectively; good interpersonal skills; maintain high level of confidentiality and ethical integrity; team player yet work independently with minimal supervision; work calmly and respond courteously when under pressure; organize and prioritize workload; manage multiple assignments effectively; accept direction; recall information with accuracy; pay close attention to detail; show critical independent thinking; make quick and informed decisions, detail-oriented. Use computer and software programs necessary to the position; perform basic math functions; distinguish colors and smells as necessary; hear sufficiently for general conversation in person and on the telephone; identify and distinguish various sounds associated with the work; see adequately to read computer screens and written documents necessary to position; discern temperature variances through touch. Licensures and Certifications: None
    $56k-69k yearly est. Auto-Apply 60d+ ago
  • research scientist - RL

    Cerebro 3.3company rating

    Principal research scientist job in Fremont, CA

    Join a Leading Applied Research Lab Pushing the Boundaries of Reinforcement Learning Are you passionate about advancing the frontiers of reinforcement learning (RL)? An innovative AI research lab is seeking talented and ambitious scientists to shape the next generation of RL techniques-especially where they intersect with large models and environment generation. About the Role As an AI Research Scientist focused on RL, you will: Develop novel optimization-based methods for automated RL environment generation Establish baselines for evaluating the quality and diversity of RL environments Design infrastructure to create dynamic environments from historical datasets and agent evaluations Drive your own research agenda, contributing directly to the progress of our platform and the broader AI community What We're Looking For PhD (or equivalent experience) in machine learning, computer science or a related field Strong publication record and/or evidence of research impact (open source, deployed systems, etc.) Deep expertise in reinforcement learning and machine learning fundamentals Proficient in Python and at least one modern ML framework (such as PyTorch or JAX) Bonus Points Experience with post-training large language models (LLMs) Demonstrated software engineering skills Ability to communicate research findings effectively to both technical and non-technical audiences
    $150k-250k yearly est. 23h ago
  • Research Scientist

    Kadence

    Principal research scientist job in Sunnyvale, CA

    About the Company We are a seed-stage AI company building the industry standard for evaluating and benchmarking large language models on real enterprise tasks. About the Role As a Research Scientist, you will develop new benchmarks, methodologies, and evaluation pipelines that shape how cutting-edge models are assessed, compared, and deployed in production environments. Your work will directly influence model selection and safety decisions across foundation model labs, high-growth AI product companies, and Fortune-scale enterprises. Responsibilities Benchmarking & Model Analysis Evaluate newly released models as they launch (e.g., Gemini, DeepSeek, etc.) Run large-scale assessment workflows using internal evaluation infrastructure Compare model performance across enterprise-grade task categories Design New Benchmarks from Scratch Identify high-value model application domains through research exploration Construct datasets, including labeling strategy and workforce coordination Write short “white-paper-style” summaries explaining benchmark purpose, method, and findings Advance Automated Evaluation Methodologies Improve systems for scoring generated text beyond standard metrics Explore research in reference-free, rubric-based, and human-aligned evaluation Develop new techniques for reliability, consistency, and repeatability Cross-functional Collaboration Work closely with engineering to scale evaluation infra Partner with customers to refine evaluation relevance and task fit Influence product direction through research insights Qualifications 0-3 years post-grad experience (Master's, PhD, or equivalent applied research) Publications, preprints, or demos showing cutting-edge work Experience with diffusion models, NLP, multimodal, or benchmarking work Ability to operate independently with ambiguity Clean, maintainable research codebases Candidates from: top engineering/research universities applied AI startups well-regarded research internships Required Skills Built or contributed to a benchmark or evaluation methodology Experience in enterprise task model evaluation Stanford / top lab adjacency (per their historical hiring success) Preferred Skills Wants to publish as primary motivation Purely academic with slow timelines Big-tech culture fit concerns (Meta / Google / Salesforce specifically noted-but case-by-case) Pay range and compensation package Base Salary: up to $250K depending on background Equity: typically 0.3% - 0.5%, flexibility for exceptional candidates Rapid equity refresh possible based on impact Equal Opportunity Statement Visa sponsorship available. Relocation support. Health & dental coverage. Lunch + dinner provided, snacks & coffee. Unlimited PTO. Weekly happy hours with community guests. Team events (bowling, hiking, rock climbing, etc.). Swag program (hats, etc.). Work Environment & Culture In-person, San Francisco HQ (required). Core hours: 9-5, some teammates extend voluntarily. Most team members work 1 weekend day per week (flexible). High-ownership, low-ego, collaborative. Live demos Mondays, team lunch Thursdays, community Fridays. Early-stage pace, applied focus-not academic publishing. Tech Environment (while research-focused, exposure beneficial) Backend: Python / Django. Frontend: React + TypeScript. Infra: AWS. Evaluation frameworks + internal tooling. Why This Role Is Unique The company already collaborates with foundation model labs, high-growth AI vertical product companies, and Fortune 500 enterprises (not publicly facing). ChatGPT Vals AI $5M seed raised, runway of 2+ years at current burn. Only one research scientist is being hired-true founding impact. Opportunity to define industry standards for model trust, reliability, and certification. Positioned to become the rating agency for generative AI.
    $250k yearly 1d ago
  • Research Scientist

    Goliath Partners

    Principal research scientist job in San Francisco, CA

    We're working with a San Francisco client that's got a research team of 50~ professionals and looking to further expand it. They are specifically looking to flesh out their Research Group by hiring a Research Scientist on a hybrid basis. They have seen $300M in a recent fund raise. Skills targeted: PhD in Physics/ Quantum Physics/ Theory/ Statistics/ Mathematics/ Computational Science or similarly related field. 2+ YoE working with AI Agents. Good exposure to LLMs. Ideally a background in Audio focused research. Alternatively Search, would also be highly advantageous. TC package of $1-1,5M with sizeable base salary & equity package. If that looks of interest, apply & Goliath will be in touch!
    $95k-160k yearly est. 23h ago
  • R&D Principal Scientist

    Scientific Search

    Principal research scientist job in Vista, CA

    Join a mission-driven team transforming the future of functional wellness through science. As the R&D Principal Scientist with my client, you'll lead innovation that enhances ingredient potency, bioavailability, and analytical rigor-directly influencing how cutting-edge mushroom solutions reach global brands. This is a high-impact role where your technical vision will shape tomorrow's products. Why You Should Apply Lead advanced analytical method development and ingredient optimization Drive innovation from early discovery through full commercialization Collaborate with visionary scientific, mycology, and cross-functional teams Competitive salary range: $120,000-$140,000 + annual bonus Robust medical, dental, vision, PTO, 401(k) match & more What You'll Be Doing Partner with external labs to refine analytical methods and strengthen specifications Validate functional and nutritional product attributes for new ingredients Support FSQA investigations through method testing and viability assessments Contribute to innovation pipeline via scientific insights and feasibility evaluations Manage project timelines from R&D ideation to full-scale production Collaborate on patent dossier creation and intellectual property strategy About You M.Sc. in Chemistry, Biochemistry, or related scientific discipline Strong background in functional ingredients, supplements, or functional foods Familiarity with analytical platforms such as mass spectrometry, DNA sequencing, or chromatography Skilled at managing external labs and CRO relationships Organized, solutions-focused, and effective in cross-functional environments How To Apply We'd love to see your resume, but we don't need it to have a conversation. Send us an email to ************************** and tell me why you're interested. Or, feel free to email your resume. Please include Job#19648.
    $120k-140k yearly 2d ago
  • Product Development Scientist

    Notco

    Principal research scientist job in San Francisco, CA

    We are a group of people united by a strong purpose. We want you to get to know us, and Giuseppe, our very own artificial intelligence. We love good food, but above all, we love the planet, and that's why, to protect it, we reinvent the food industry, one delicious bite at a time, elevating what we eat, through our technology and based on plants. Our recipe has three mega-important components: science, technology, and of course, disruptive talents who work daily to create a better future. At NotCo we are not and do not seek to be the perfect company, but rather the right one. We are here to produce changes, and that is why we dare, fail, and sometimes achieve incredible successes. We are currently looking for a Product Development Scientist for our NotCo B2B Research & Development located in San Francisco, California, requiring an active on-site presence. This position will report to our R&D Sr. Team Lead and the incumbent will work cross-functionally to ensure R&D activities are successfully deployed locally. Responsible for the: Independently conducts day-to-day product development activities as directed by the manager across multiple projects. This includes supporting activities related to the full product lifecycle process (from product concept to successful commercial launch as needed)and supporting process development, scale-up and technology transfer Supports the design and execution of bench-top tests, pilot-plant trials and full-scale formulations to deliver high-quality food products that meet and exceed the sensory, cost, and other performance targets Proactively proposes and uses sensory and analytical analysis to guide and validate the development process Maintains detailed documentation, experiment tracking and outcomes, and documents finished goods and ingredient specifications Provides feedback to project lead regarding relevant technical and process information Communicates proactively and effectively with cross-functional teams, clearly articulating perspectives and trade-offs related to new product development goals Utilizes NotCo's proprietary AI technology to develop and improve food products Supports formula validation activities as well as process development, scale-up and technology transfer Engages in client communications and workshops, bringing technical Maintains detailed documentation across all R&D activities in a timely manner Qualifications / Requirements: Bachelor's degree in Food Engineering, Food Science, Engineering in Biotechnology or a similar discipline. 2 + years of Food R&D experience is desired, preferably across both food and beverage categories. Be agile, adaptable, and thrive in a dynamic and changing culture; works relentlessly to overachieve, anticipate obstacles, and create plans to overcome them. Adapts easily to changing priorities and direction based on new project learnings and team priorities. Demonstrated competency to effectively communicate (oral & written) cross-functionally with solid collaboration skills. Comfortable in client-facing situations and able to communicate complex topics clearly and simply. Excel in a startup environment, is excited to create new procedures and processes from scratch and has a strong entrepreneurial mindset. Be a problem solver, have a general manager mindset, and take the initiative to get the job done Possess strong planning, project management, and execution skills, and the ability to articulate where and how you have used them. Rigorous data-driven/analytical capability and ability and presence to present data effectively to a leadership team Work well in teams and cross-functional groups in a matrixed environment, both regionally and globally Possesses strong computer skills, including a high level of proficiency in MS Office, specifically Excel Authorization to work in the U.S. is required Ability to travel up to 50% of the time, including international travel and extended trips. NotCo is committed to fair and equitable compensation practices. The pay range for this role is $65,000 - $75,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor. We are an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
    $65k-75k yearly 2d ago
  • Post Doctoral Fellow

    Loma Linda University Medical Center 4.7company rating

    Principal research scientist job in Loma Linda, CA

    Job Summary: The Postdoctoral Fellowship provides mentoring and additional training that will prepare a recent doctoral graduate for an independent position in teaching, direct services, or research. Performs other duties as needed. The Center for Nutrition, Healthy Lifestyles, and Disease Prevention in the School of Public Health at Loma Linda University is currently accepting applications for a Postdoctoral Fellowship to advance the research of Environmental Nutrition. The goal of our research is to move society toward a sustainable food system. A great applicant will have a doctoral degree in a field in nutritional epidemiology or environmental health, a background or training in public health, proven quantitative skills working on large data sets, and professional English writing skills. A working knowledge of plant-based nutrition will be helpful as well as an interest in trans-disciplinary research. For more information go to environmentalnutrtion.org Education and Experience: Doctoral Degree required. Minimum one year of experience preferred. Knowledge and Skills: Knowledge of search policies, regulations (institutional, state, and federal), business processes and best practices; read and write legibly; speak in English with professional quality; communicate effectively; good interpersonal skills; maintain high level of confidentiality and ethical integrity; team player yet work independently with minimal supervision; work calmly and respond courteously when under pressure; organize and prioritize workload; manage multiple assignments effectively; accept direction; recall information with accuracy; pay close attention to detail; show critical independent thinking; make quick and informed decisions, detail-oriented. Use computer and software programs necessary to the position; perform basic math functions; distinguish colors and smells as necessary; hear sufficiently for general conversation in person and on the telephone; identify and distinguish various sounds associated with the work; see adequately to read computer screens and written documents necessary to position; discern temperature variances through touch. Licensures and Certifications: None
    $56k-69k yearly est. Auto-Apply 60d+ ago
  • Research Scientist

    Goliath Partners

    Principal research scientist job in San Jose, CA

    We're working with a San Francisco client that's got a research team of 50~ professionals and looking to further expand it. They are specifically looking to flesh out their Research Group by hiring a Research Scientist on a hybrid basis. They have seen $300M in a recent fund raise. Skills targeted: PhD in Physics/ Quantum Physics/ Theory/ Statistics/ Mathematics/ Computational Science or similarly related field. 2+ YoE working with AI Agents. Good exposure to LLMs. Ideally a background in Audio focused research. Alternatively Search, would also be highly advantageous. TC package of $1-1,5M with sizeable base salary & equity package. If that looks of interest, apply & Goliath will be in touch!
    $95k-160k yearly est. 23h ago
  • Product Development Scientist

    Notco

    Principal research scientist job in Fremont, CA

    We are a group of people united by a strong purpose. We want you to get to know us, and Giuseppe, our very own artificial intelligence. We love good food, but above all, we love the planet, and that's why, to protect it, we reinvent the food industry, one delicious bite at a time, elevating what we eat, through our technology and based on plants. Our recipe has three mega-important components: science, technology, and of course, disruptive talents who work daily to create a better future. At NotCo we are not and do not seek to be the perfect company, but rather the right one. We are here to produce changes, and that is why we dare, fail, and sometimes achieve incredible successes. We are currently looking for a Product Development Scientist for our NotCo B2B Research & Development located in San Francisco, California, requiring an active on-site presence. This position will report to our R&D Sr. Team Lead and the incumbent will work cross-functionally to ensure R&D activities are successfully deployed locally. Responsible for the: Independently conducts day-to-day product development activities as directed by the manager across multiple projects. This includes supporting activities related to the full product lifecycle process (from product concept to successful commercial launch as needed)and supporting process development, scale-up and technology transfer Supports the design and execution of bench-top tests, pilot-plant trials and full-scale formulations to deliver high-quality food products that meet and exceed the sensory, cost, and other performance targets Proactively proposes and uses sensory and analytical analysis to guide and validate the development process Maintains detailed documentation, experiment tracking and outcomes, and documents finished goods and ingredient specifications Provides feedback to project lead regarding relevant technical and process information Communicates proactively and effectively with cross-functional teams, clearly articulating perspectives and trade-offs related to new product development goals Utilizes NotCo's proprietary AI technology to develop and improve food products Supports formula validation activities as well as process development, scale-up and technology transfer Engages in client communications and workshops, bringing technical Maintains detailed documentation across all R&D activities in a timely manner Qualifications / Requirements: Bachelor's degree in Food Engineering, Food Science, Engineering in Biotechnology or a similar discipline. 2 + years of Food R&D experience is desired, preferably across both food and beverage categories. Be agile, adaptable, and thrive in a dynamic and changing culture; works relentlessly to overachieve, anticipate obstacles, and create plans to overcome them. Adapts easily to changing priorities and direction based on new project learnings and team priorities. Demonstrated competency to effectively communicate (oral & written) cross-functionally with solid collaboration skills. Comfortable in client-facing situations and able to communicate complex topics clearly and simply. Excel in a startup environment, is excited to create new procedures and processes from scratch and has a strong entrepreneurial mindset. Be a problem solver, have a general manager mindset, and take the initiative to get the job done Possess strong planning, project management, and execution skills, and the ability to articulate where and how you have used them. Rigorous data-driven/analytical capability and ability and presence to present data effectively to a leadership team Work well in teams and cross-functional groups in a matrixed environment, both regionally and globally Possesses strong computer skills, including a high level of proficiency in MS Office, specifically Excel Authorization to work in the U.S. is required Ability to travel up to 50% of the time, including international travel and extended trips. NotCo is committed to fair and equitable compensation practices. The pay range for this role is $65,000 - $75,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor. We are an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
    $65k-75k yearly 2d ago

Learn more about principal research scientist jobs

How much does a principal research scientist earn in Cathedral City, CA?

The average principal research scientist in Cathedral City, CA earns between $102,000 and $237,000 annually. This compares to the national average principal research scientist range of $87,000 to $184,000.

Average principal research scientist salary in Cathedral City, CA

$156,000
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