Founding Software Engineer - AI/LLM/Multimodal
Lead developer job in San Francisco, CA
Our client is building the world's fastest-growing marketplace for elite creative talent. We connect award-winning artists, directors, musicians, animators, and designers with frontier AI labs developing the next generation of multimodal systems including models like Sora, Suno,
Runway, and Grok Imagine.
This role is paying up to $300k salary base with 2% equity in top.
Must have AI/LLM/Multimodal experience.
Fully onsite role.
We are a small, high-talent-density team from Stanford and Mercor, backed by:
The Co-Founder of xAI
The Founder of Periodic Labs
Researchers from OpenAI's Sora team
DeepMind alignment & evaluation leads
Senior researchers from Salesforce AI, Meta, Google, and Anthropic
Role Overview
As a Founding Engineer, you will own core product surfaces, architecture, and infrastructure for the platform. You'll help shape engineering culture, drive rapid product iteration, and work directly with founders to build the marketplace and data systems powering the next wave of multimodal AI innovation.
This role is ideal for someone who thrives in high-agency environments, ships quickly, and enjoys solving end-to-end problems across the stack.
What You Will Build
Marketplace & Talent Systems
Onboarding flows for elite creative talent
AI-assisted interviews and evaluations
Self-serve matching tools between talent and AI labs
Payment, billing, and workflow automation
Data & Infrastructure Products
Tools for frontier AI labs to support training and evaluation
Internal platforms for data quality, annotation, and performance insights
Product & Engineering Leadership
Shape engineering culture, processes, and best practices
Ship fast across greenfield projects with high ownership
Influence product direction through tight feedback cycles with founders and users
What We're Looking For
Strong proficiency with Python, React, and TypeScript
Experience with AWS, Docker, CI/CD, and modern infrastructure tooling
Ability to operate independently and handle ambiguity in a fast-moving environment
Interest in gamified platforms, creative tools, or marketplace dynamics
Bias for action, strong communication skills, and a builder mentality
Software Engineer
Lead developer job in San Francisco, CA
Software Engineer - AI Infra Startup - San Francisco, CA
A small, deeply technical AI infra startup in San Francisco, building the platform that next-gen AI apps will run on - think custom compilers, CUDA kernels, and distributed orchestration are looking for a Software Engineer to join their team.
What will I be doing?
As a Software Engineer you'll help architect and build the infrastructure powering the next generation of AI systems. You'll work across the stack on:
High-performance, distributed systems that support real-time AI workloads
Kubernetes orchestration, infra tooling, and automation pipelines
Low-level runtime components like custom compilers and CUDA kernels
Scalable, reliable backend services
Collaborating directly with the founding team on technical strategy and core architecture
What are we looking for?
Strong background in systems programming, backend, or infra engineering
Experience with distributed systems, container orchestration, and Linux internals
Comfortable working across multiple layers of the stack, from low-level code to infra ops
Fast learner who thrives in ambiguous, high-agency environments
Bonus: Experience with compilers, CUDA, or ML infrastructure
What's in it for me:
up to $300k base dependent on experience + 0.2-0.5% equity
Work directly with deeply technical founders (ex-Stanford, Google, and more) on some of the hardest problems in AI infra
On-site in San Francisco
Stealth startup with serious backing, operating lean and hiring intentionally
Apply now for immediate consideration!
Robotic Software Engineer
Lead developer job in San Jose, CA
Robotics Software Engineer (Generalist/Full-Stack)
Robotic Software Engineer - Humanoid Robotics
Palo Alto, SF Bay Area (Full-time | Onsite)
$180k-$200k + equity (flexible for exceptional candidates)
We are recruiting building next-generation humanoid robotic systems that combine advanced AI with cutting-edge hardware. Our team moves fast, prototypes aggressively, and puts real robots into the world. We're now hiring a Robotic Software Engineer to help shape our core software stack and accelerate the development of our embodied AI systems.
What You'll Work On
As part of a small, high-impact engineering team, you will:
Build and optimise robotics software in C++ and ROS2
Integrate perception, control, planning, and learning modules
Work hands-on with robots to bring up new hardware and run real-world experiments
Deploy reinforcement learning / imitation learning policies onto physical robots
Develop middleware, interfaces, and tooling that connect AI → hardware
Prototype behaviours across diverse robot types (arms, humanoids, mobile platforms, drones)
This role directly supports both our AI and hardware teams and has significant ownership from day one.
Must-haves:
Strong C++ development skills (multi-threading, performance, systems-level)
Professional experience with ROS2
Hands-on robotics experience - ideally robot learning on physical hardware
Ability to work on real robots (debugging, integration, testing)
Generalist mindset and comfort in a fast-paced startup environment
Nice-to-haves:
Manipulation or kinematics (humanoids, arms, quadrupeds)
Controls for mobile robots or drones
Sensor/actuator integration, drivers, or middleware experience
VR prototyping (Meta Quest or similar)
Experience across different robot embodiments
Why Join Us
Build software that runs on real humanoid robots immediately
High ownership within a small, world-class engineering team
Competitive compensation + meaningful equity
Opportunity to influence architecture, roadmap, and product direction
Work at one of the most exciting intersections in tech: AI × robotics
Senior Full Stack Engineering Lead
Lead developer job in Pleasanton, CA
We are hiring: Senior Engineering Lead - Full-Stack, Enterprise SaaS Systems
MeeruAI | Pleasanton, California
Full-Time or Contract-to-Hire (Minimum 3-Month Contract) | Hybrid
MeeruAI is an AI-first enterprise SaaS company building intelligent platforms that help organizations automate workflows, unify data, and deliver real-time insights with enterprise-grade reliability and security.
MeeruAI is a global digital transformation and technology services firm known for delivering large-scale enterprise solutions across cloud, data, AI, and platforms, deep domain expertise and engineering rigor, MeeruAI combines startup speed with proven enterprise execution, enabling us to build scalable, production-ready AI systems for modern businesses.
About the Role
We are seeking a Senior Engineering Lead (Full-Stack) to own the end-to-end architecture, design, and hands-on implementation of complex, enterprise-grade B2B SaaS systems. This is a senior individual contributor role requiring deep technical leadership, strong execution skills, and a passion for building scalable, secure, and high-performance platforms.
You will work across frontend, backend, APIs, microservices, and data pipelines, while applying AI-assisted engineering workflows to accelerate delivery and improve quality. As a technical authority, you will collaborate closely with Product, UX, Analytics, Security, and peer engineers to shape platform direction and execution.
What You will Do
Architect and scale enterprise SaaS systems across frontend, backend, APIs, microservices, and data pipelines
Write production-quality code, lead complex refactors, and conduct architecture and design reviews
Deliver robust features rapidly using modern engineering practices and AI-accelerated workflows
Leverage tools such as GitHub Copilot, Cursor, Replit, Claude/other agents, and PromptPex for coding, refactoring, and testing
Validate new ideas through spike-first prototyping and experimentation before full implementation
Build cloud-native services for LLMs, RAG pipelines, vector databases, and AI agent workflows
Produce high-quality technical documentation, design specs, and internal technical narratives
Collaborate cross-functionally with Product, UX, Analytics, and Security teams
Define SLOs/SLIs, enhance observability, and ensure systems meet performance, scalability, and availability targets
Required Qualifications
12+ years of software engineering experience, focused on enterprise B2B SaaS systems
10+ years of hands-on development building scalable, reliable, modular SaaS platforms
Strong proficiency in frontend and backend engineering (React/TypeScript, Node.js or Python, SQL/NoSQL)
Deep experience with system design, distributed systems, and cloud platforms (AWS, GCP, or Azure)
Familiarity with microservices, containerization, Kubernetes, CI/CD pipelines, and observability tools
Proven ability to deliver complex features under tight timelines in high-growth or startup environments
Experience integrating AI-assisted developer tools into day-to-day engineering workflows
Compensation
Salary Range: $145,000 - $160,000 base salary (California market)
Work Location
Hybrid - Pleasanton, CA
This role requires on-site presence at least three (3) days per week in our Pleasanton office.
Please apply only if you are currently local to the Pleasanton area.
Relocation assistance is not available for this role.
Software Engineer - Runtime
Lead developer job in Santa Clara, CA
We're a Series A and we need a systems-savvy engineer who can architect, optimize, and turbocharge our multi-target runtime from day one.
If concurrent programming is your playground, C++14 is your native language, and you think in cache lines, pipelines, and memory hierarchies, this role puts you at the heart of the action.
What You'll Do
Design, build, and continually improve our multi-target runtime
Apply cutting-edge parallelization + partitioning techniques to generate and exploit highly optimized kernels
Rapidly prototype ideas and validate them with real data
What You Bring
Deep expertise in asynchronous + concurrent programming
4+ years of modern C/C++
Strong grasp of hardware architecture (scalar vs vector, memory hierarchies, etc.)
Knowledge of OS kernel or hypervisor development
Bonus Points
CUDA/ROCm library experience
GPU programming background
HPC experience
MS/PhD in CS or equivalent
Familiarity with PyTorch, JAX, Triton
Experience wrangling large compute clusters
Why You'll Love It
You'll own critical, performance-sensitive systems that sit at the core of our stack; shaping how next-gen ML models run across diverse hardware. High impact, deep tech, zero bureaucracy.
If you want to engineer at the limits of performance and help build a runtime that changes the game let's talk!
Founding Software Engineer / Protocol Engineer
Lead developer job in San Jose, CA
We are actively searching for a Founding Protocol Engineer to join our team on a permanent basis. In this position you will If you are someone that is impressed with what Hyperliquid has accomplished then this role is for you. We are on a mission to build next generation lending and debt protocols. We are open to both Senior level and Architect level candidates for this role.
Your Rhythm:
Drive the architecture, technical design, and implementation of our lending protocol.
Collaborate closely with researchers to validate and test designs
Collaborate with auditors and security engineers to ensure safety of the protocol
Participate in code reviews, providing constructive feedback and ensuring adherence to established coding standards and best practices
Your Vibe:
5+ years of professional software Engineering experience
3+ years of experience working in Solidity in EVM in production environments, specifically focused in DeFi products
2+ years of experience working with a modern backend languages (Go, Rust, Python, etc) in distributed architectures
Experience building lending protocols in a smart contract language
Open to collaborating onsite a few days a week at our downtown SF office
Our Vibe:
Relaxed work environment
100% paid top of the line health care benefits
Full ownership, no micro management
Strong equity package
401K
Unlimited vacation
An actual work/life balance, we aren't trying to run you into the ground. We have families and enjoy life too!
Software Engineer, Frontend
Lead developer job in Santa Clara, CA
At Viven, we are pioneering the next generation of AI-powered Digital Twin solutions that help enterprises unlock the power of organizational intelligence. Our platform integrates data across ecosystems, creates actionable insights, and empowers leaders to drive innovation, efficiency, and growth.
We are reimagining the future of work by solving one of the toughest challenges for enterprises:
knowledge continuity
. When employees join or leave, when teams scale, or when leaders need to be in two places at once - Viven ensures memory, style, and execution carries forward. Our platform blends personalization with enterprise-grade trust and privacy.
Role Overview:
We are seeking a dynamic and passionate Senior Front End Software Engineer with strong software fundamentals to join a high-performing platform development team. This Senior Front End Software Engineer role is a unique opportunity combining hands-on work, mentorship, and growth opportunities. You will join a small team that is responsible for the UI implementation and maintenance across a number of functional areas. This is an opportunity to contribute on a daily basis to improving our users' experiences and build unique expertise in our product.
Key Responsibilities:
Partner cross-functionally with Product Managers and Designers to define and deliver new features and solutions.
Collaborate with engineering teams across the stack to build scalable, user-facing features.
Work closely with the Support team to triage bugs and resolve production issues quickly
Drive planning and execution of mid- to large-scale projects, seeing them through from conception to launch.
Act as the subject matter expert within the organization while resolving complex technical issues or challenges.
Oversee the full systems development lifecycle - including system architecture definition, detailed design, scoping, planning, implementation, testing + documentation, and maintenance.
Qualifications:
6+ years of front-end development experience
Strong technical background (degree in Computer Science, Engineering, or related field preferred, or equivalent experience).
Advanced knowledge of HTML, CSS and ES6 JavaScript is a must.
Advanced knowledge of React, Next.js, and TypeScript
Experience using/consuming REST APIs with an advanced understanding of client-server interaction.
Experience with AGILE/Scrum development methods.
Expert level problem solving & communication skills.
Learn More About Us: Viven Emerges from Stealth | TechCrunch
Visit our Careers Page
Equal Opportunity Employment:
Viven is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants. We value diversity and are dedicated to fostering an inclusive environment for all employees, regardless of race, color, sex, gender identity or expression, age, religion, national origin, ancestry, citizenship, disability, military or veteran status, genetic information, sexual orientation, marital status, or any other characteristic protected under applicable law.
If you are passionate about AI and eager to make an impact, we would love to hear from you. Apply today to join the Viven team and help us build the future of AI.
Software Engineer (Computer Vision, Robotics)
Lead developer job in Santa Clara, CA
About Us
At Autonomous Healthcare, we are at the forefront of medical innovation, developing the next generation of devices that will revolutionize patient care. Our mission is to commercialize breakthrough medical technologies by leveraging cutting-edge AI and autonomous systems. We believe that the best solutions are built together, and we are looking for a key member to join our collaborative R&D team.
About the Role
We are seeking a highly motivated and skilled engineer to join our team in developing next-generation patient monitoring systems. This role is at the intersection of computer vision, signal processing, and high-performance software engineering. You will be responsible for building the core analytical engine that transforms raw depth-sensor video into actionable health information.
This is not a purely theoretical position. You will be hands-on, designing algorithms that are efficient enough for real-time applications and robust enough for real-world clinical use. You will write the production-level Python code that brings these algorithms to life on cutting-edge edge computing platforms.
If you are a problem-solver who thrives on analyzing complex sensor data and building tangible, high-performance systems, we want to hear from you.
Key Responsibilities
Develop and implement real-time computer vision algorithms in Python to detect, track, and analyze regions of interest from video data (specifically depth sensors).
Design and build signal processing pipelines to extract, filter, and interpret physiological movement data from sensor signals.
Optimize algorithms for performance to meet strict real-time processing requirements.
Deploy and validate analysis software on edge computing platforms with GPU acceleration (e.g., NVIDIA Jetson).
Collaborate in a multidisciplinary team to integrate your solutions into a complete monitoring product.
Rigorously test, debug, and document your code and algorithms.
Required Qualifications
Strong proficiency in Python and experience writing clean, efficient, and maintainable code.
Solid foundation in computer vision principles and hands-on experience with libraries like OpenCV.
Solid foundation in digital signal processing (e.g., filtering, time-series analysis, feature extraction) and experience with libraries like SciPy or NumPy.
B.S. or M.S. in Computer Science, Robotics, Electrical Engineering, Biomedical Engineering, or a related technical field.
Demonstrable experience in analyzing imaging or sensor data to solve complex problems.
Excellent problem-solving skills and the ability to work independently and as part of a team.
Preferred Skills (We'd love to see these)
Experience with high-performance edge computing platforms (e.g., NVIDIA Jetson).
Familiarity with GPU programming (e.g., CUDA, TensorRT) for accelerating algorithms.
A background in robotics, autonomous vehicles, or real-time analysis of sensor data (e.g., LiDAR, RADAR, IMU).
Experience with depth sensors, 3D data processing, or point cloud analysis.
Knowledge of machine learning or deep learning frameworks (e.g., PyTorch, TensorFlow) for vision or time-series tasks.
Familiarity with software development best practices (e.g., Git, unit testing, CI/CD).
Software Engineer
Lead developer job in San Jose, CA
Founding Engineer
$140K - $200K + equity
San Francisco (Onsite Role)
Direct Hire
A fast growing early-stage start who recently secured a significant amount at Seed is actively hiring 3x software engineers to join their founding team. They're looking for people who are scrappy, move fast, challenge assumptions, and are driven to win. They build quickly and expect teammates to push boundaries.
Who You Are
Make quick, reversible (“two-way door”) decisions
Proactively fix problems before being asked
Comfortable working across a modern engineering stack (e.g., TypeScript, Python, containerisation, ML/LLM tooling, databases, cloud environments, mobile frameworks)
Have built real, shipped products
Thrive in ambiguity and fast-moving environments
What You'll Do
Talk directly with users to understand their workflows, pain points, and needs
Architect systems that support large enterprise usage
Build automated pipelines and intelligent agents that process and verify large volumes of data
Maintain scalable, robust infrastructure
Ship quickly - progress over perfection
The Reality
You'll work closely with the founding team and directly with customers
User value beats hype, trends, and “cool tech”
Expect a demanding, high-output culture
If you're a Software Engineer with 2 + years' experience and want to work in a growing start-up, please do apply now for immediate consideration.
Software Engineer
Lead developer job in San Francisco, CA
What You'll Do
You will join a small, elite product pod operating like a founding team inside the company. Your work will directly shape the future of entirely new product lines-from ideation to product-market fit to scaling toward $10M+ ARR.
In this role, you will:
Drive products from 0 → 1 → 10M ARR, owning development end-to-end.
Lead feature creation, product decisions, customer conversations, and full-stack execution.
Build high-impact AI products used daily in real industrial workflows (e.g., accounts receivable automation, lead-gen automation, factory operations tools).
Collaborate directly with multibillion-dollar enterprise clients to understand pain points and design solutions.
Occasionally visit factories and warehouses to observe real users and validate workflows (infrequent but highly impactful).
This role is ideal for someone who wants meaningful ownership, fast iteration cycles, and the ability to build products with immediate real-world impact.
Who We're Looking For
Profile Archetypes We Like
We've found people with the following backgrounds thrive in this environment:
Early-career engineers (early to mid-20s) with 2-5 years at a high-growth, respected startup
Experience at strong companies through internships
Involvement in elite tech or founder communities (e.g., Neo, Contrary, 8VC, Dorm Room Fund)
Degree in computer science from a strong technical university (Master's degree is a plus)
Solid backend engineering skills; full-stack, CI/CD, and infra experience are strong bonuses
Bonus: tried starting a company before (even if small or not VC-backed)
Mindset & Traits
Builder mentality - loves shipping quickly and iterating in the wild
Comfortable with ambiguity and owning entire product surfaces
Strong customer intuition or willingness to develop it
Energized by small teams, high autonomy, and high expectations
Excited to build AI products that deliver value from day one
Backend Software Engineer - Cloud Services
Lead developer job in Sunnyvale, CA
About Company,
Droisys is an innovation technology company focused on helping companies accelerate their digital initiatives from strategy and planning through execution. We leverage deep technical expertise, Agile methodologies, and data-driven intelligence to modernize systems of engagement and simplify human/tech interaction.
Amazing things happen when we work in environments where everyone feels a true sense of belonging and when candidates have the requisite skills and opportunities to succeed. At Droisys, we invest in our talent and support career growth, and we are always on the lookout for amazing talent who can contribute to our growth by delivering top results for our clients. Join us to challenge yourself and accomplish work that matters.
We're hiring Backend Software Engineer - Cloud Services in Sunnyvale, CA .
What You'll Do
Take full ownership of your services: drive the design, contribute new features, participate in peer reviews, and deliver production-ready solutions.
Develop software primarily in Java and Python.
Work with Kubernetes or be willing to quickly ramp up on container orchestration.
Own end-to-end responsibility for major features and subsystems-from refining requirements to successful deployment in customer environments.
Manage operational health of your services, including telemetry, metrics, and rapid production issue detection.
Ensure high code quality through early testing, functional verification, and integration testing.
Collaborate closely with Product Management to clarify scope, finalize requirements, and plan delivery.
What You'll Bring
Bachelor's degree in Computer Science or similar field (Master's preferred).
3+ years of experience building scalable, distributed systems.
A strong passion for building software, learning new technologies, and collaborating in a team environment.
Hands-on experience with AWS, Azure, or GCP, particularly at the programming/API level.
Background in networking or security is a plus.
Proficiency in Java and/or Python, with familiarity using REST APIs.
Experience with CloudFormation or Terraform is beneficial.
Knowledge of Spring or similar backend frameworks.
Understanding of Kubernetes, Docker, and containerized environments is helpful.
Familiarity with classic Gang of Four design patterns.
Droisys is an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. Droisys believes in diversity, inclusion, and belonging, and we are committed to fostering a diverse work environment
Software Engineer
Lead developer job in Hayward, CA
Mission and Impact:
VIVIO Health, a Public Benefit Corporation, is revolutionizing pharmacy benefits management through data and technology. Our foundational principle - "The Right Drug for the Right Person at the Right Price" - drives everything we do. Since 2016, our evidence-based approach has delivered superior health outcomes while reducing costs for self-insured employers and health plans. By ensuring each patient receives the most appropriate medication for their specific condition at a fair market price, we're replacing the obsolete PBM Model with innovative solutions that work better for everyone.
Why Join VIVIO?
Innovation: Challenge the status quo and shape healthcare's future
Impact: Directly influence patient care and help change healthcare delivery
Collaboration: Work with passionate teammates dedicated to making a difference
Culture: Enjoy autonomy and reliability in a micromanagement-free environment
Growth: Expand your opportunities as we expand our business
Job Description
Position Overview
We are seeking an exceptional developer with robust Python skills to join our team. You will play a crucial role in building complex business operations logic. You should have a proven track record of building high-quality software, solving complex problems, and thriving in collaborative environments. Experience in regulated cloud environments like HIPAA or PCI is a plus. We expect a self-motivated individual who thrives in a collaborative environment and shares our commitment to enhancing the cost and quality of healthcare. If you're ready to make an impact, we want to hear from you!
Location: Hayward, CA. This is a Hybrid role
with a minimum of 3 in-office days.
Technical Stack:
Languages: Python, PHP
Databases: MySQL
Infrastructure: AWS or other Cloud experience, CICD
Core Responsibilities:
Design and develop scalable services and core libraries.
Develop batch processing jobs for data imports, reporting, and external integrations.
Build and maintain transaction processing systems with complex business rules.
Integrate third-party APIs and normalize data across multiple healthcare providers.
Implement HIPAA-compliant data handling, logging, and audit systems
Write comprehensive tests with proper mocking and maintain CI/CD pipelines.
Foster best practices in a lean startup setting through code reviews.
Promote knowledge sharing to build a collaborative culture.
Optimize architectures and designs through deep understanding of business processes
Ensure operational excellence through monitoring, documentation, and deployment automation.
Qualifications
Required Qualifications:
5+ years of development experience with production systems
BS or advanced degree in an engineering discipline or equivalent experience
SQL database design and optimization
Test-driven development and mocking strategies
Experience with data processing
Preferred Qualifications:
REST API design and integration experience
FastAPI or similar framework experience
CRM customization experience
ETL pipelines and Batch processing systems experience
Job orchestration frameworks experience
File-based and distributed storage systems
Healthcare/pharmacy technology background
Strong understanding of building software in regulated environments & security standards such as PCI DSS, ISO 27001, HIPAA, and NIST.
Other expectations: Hybrid work arrangement with work from office 3 days a week.
Additional Information
Compensation and Benefits:
Base Salary: $120-$140K/year
Bonus Eligible
Health benefits, including Medical, Pharmacy, Dental, Vision, and Life insurance
Stock Options
401K and company match
PTO
Opportunity to work for a growing and innovative company.
Dynamic and collaborative work environment.
The chance to make a real impact with a Public Benefit Corporation.
VIVIO Health is an Equal Opportunity Employer. All information will be kept confidential according to EEO guidelines.
Please be advised that job opportunities will only be extended after a candidate submits a completed job application and goes through our interview process, including 1:1 and/or group interviews via phone, video conferencing, and/or in-person. All legitimate correspondence from a VIVIO employee will come from our Smart Recruiter Applicant Tracking System "@smartrecruiter.com" or "@viviohealth.com" email accounts.
Founding Software Engineer - AI/LLM/Multimodal
Lead developer job in Fremont, CA
Our client is building the world's fastest-growing marketplace for elite creative talent. We connect award-winning artists, directors, musicians, animators, and designers with frontier AI labs developing the next generation of multimodal systems including models like Sora, Suno,
Runway, and Grok Imagine.
This role is paying up to $300k salary base with 2% equity in top.
Must have AI/LLM/Multimodal experience.
Fully onsite role.
We are a small, high-talent-density team from Stanford and Mercor, backed by:
The Co-Founder of xAI
The Founder of Periodic Labs
Researchers from OpenAI's Sora team
DeepMind alignment & evaluation leads
Senior researchers from Salesforce AI, Meta, Google, and Anthropic
Role Overview
As a Founding Engineer, you will own core product surfaces, architecture, and infrastructure for the platform. You'll help shape engineering culture, drive rapid product iteration, and work directly with founders to build the marketplace and data systems powering the next wave of multimodal AI innovation.
This role is ideal for someone who thrives in high-agency environments, ships quickly, and enjoys solving end-to-end problems across the stack.
What You Will Build
Marketplace & Talent Systems
Onboarding flows for elite creative talent
AI-assisted interviews and evaluations
Self-serve matching tools between talent and AI labs
Payment, billing, and workflow automation
Data & Infrastructure Products
Tools for frontier AI labs to support training and evaluation
Internal platforms for data quality, annotation, and performance insights
Product & Engineering Leadership
Shape engineering culture, processes, and best practices
Ship fast across greenfield projects with high ownership
Influence product direction through tight feedback cycles with founders and users
What We're Looking For
Strong proficiency with Python, React, and TypeScript
Experience with AWS, Docker, CI/CD, and modern infrastructure tooling
Ability to operate independently and handle ambiguity in a fast-moving environment
Interest in gamified platforms, creative tools, or marketplace dynamics
Bias for action, strong communication skills, and a builder mentality
Software Engineer
Lead developer job in Fremont, CA
Software Engineer - AI Infra Startup - San Francisco, CA
A small, deeply technical AI infra startup in San Francisco, building the platform that next-gen AI apps will run on - think custom compilers, CUDA kernels, and distributed orchestration are looking for a Software Engineer to join their team.
What will I be doing?
As a Software Engineer you'll help architect and build the infrastructure powering the next generation of AI systems. You'll work across the stack on:
High-performance, distributed systems that support real-time AI workloads
Kubernetes orchestration, infra tooling, and automation pipelines
Low-level runtime components like custom compilers and CUDA kernels
Scalable, reliable backend services
Collaborating directly with the founding team on technical strategy and core architecture
What are we looking for?
Strong background in systems programming, backend, or infra engineering
Experience with distributed systems, container orchestration, and Linux internals
Comfortable working across multiple layers of the stack, from low-level code to infra ops
Fast learner who thrives in ambiguous, high-agency environments
Bonus: Experience with compilers, CUDA, or ML infrastructure
What's in it for me:
up to $300k base dependent on experience + 0.2-0.5% equity
Work directly with deeply technical founders (ex-Stanford, Google, and more) on some of the hardest problems in AI infra
On-site in San Francisco
Stealth startup with serious backing, operating lean and hiring intentionally
Apply now for immediate consideration!
Robotic Software Engineer
Lead developer job in Fremont, CA
Robotics Software Engineer (Generalist/Full-Stack)
Robotic Software Engineer - Humanoid Robotics
Palo Alto, SF Bay Area (Full-time | Onsite)
$180k-$200k + equity (flexible for exceptional candidates)
We are recruiting building next-generation humanoid robotic systems that combine advanced AI with cutting-edge hardware. Our team moves fast, prototypes aggressively, and puts real robots into the world. We're now hiring a Robotic Software Engineer to help shape our core software stack and accelerate the development of our embodied AI systems.
What You'll Work On
As part of a small, high-impact engineering team, you will:
Build and optimise robotics software in C++ and ROS2
Integrate perception, control, planning, and learning modules
Work hands-on with robots to bring up new hardware and run real-world experiments
Deploy reinforcement learning / imitation learning policies onto physical robots
Develop middleware, interfaces, and tooling that connect AI → hardware
Prototype behaviours across diverse robot types (arms, humanoids, mobile platforms, drones)
This role directly supports both our AI and hardware teams and has significant ownership from day one.
Must-haves:
Strong C++ development skills (multi-threading, performance, systems-level)
Professional experience with ROS2
Hands-on robotics experience - ideally robot learning on physical hardware
Ability to work on real robots (debugging, integration, testing)
Generalist mindset and comfort in a fast-paced startup environment
Nice-to-haves:
Manipulation or kinematics (humanoids, arms, quadrupeds)
Controls for mobile robots or drones
Sensor/actuator integration, drivers, or middleware experience
VR prototyping (Meta Quest or similar)
Experience across different robot embodiments
Why Join Us
Build software that runs on real humanoid robots immediately
High ownership within a small, world-class engineering team
Competitive compensation + meaningful equity
Opportunity to influence architecture, roadmap, and product direction
Work at one of the most exciting intersections in tech: AI × robotics
Software Engineer, Full-Stack
Lead developer job in Santa Clara, CA
At Viven, we are pioneering the next generation of AI-powered Digital Twin solutions that help enterprises unlock the power of organizational intelligence. Our platform integrates data across ecosystems, creates actionable insights, and empowers leaders to drive innovation, efficiency, and growth.
We are reimagining the future of work by solving one of the toughest challenges for enterprises:
knowledge continuity
. When employees join or leave, when teams scale, or when leaders need to be in two places at once - Viven ensures memory, style, and execution carries forward. Our platform blends personalization with enterprise-grade trust and privacy.
Role Overview:
We are looking for an experienced Full-Stack Engineer with strong experience in Next.js to join our core engineering team. This Full-Stack Software Engineer will be responsible for designing and implementing features across both the frontend (70%) and backend (30%), with a primary focus on building user-facing applications that are fast, scalable, and user-friendly.
Key Responsibilities:
Design and implement efficient, scalable APIs and interfaces that connect frontend applications to backend systems.
Develop responsive, user-friendly web applications in Next.js, ensuring speed, accessibility, and cross-device performance.
Optimize applications for performance, scalability, and maintainability, balancing rapid iteration with solid engineering practices.
Collaborate cross-functionally with product managers, designers, and researchers to conceptualize and ship new features.
Troubleshoot and debug issues across the application stack, including frontend performance, backend integration, and deployment challenges.
Contribute to code reviews, technical discussions, and architecture decisions, helping set best practices for a growing team.
Play a key role in 0→1 product development, turning prototypes into production-ready features.
Qualifications:
3+ years of professional experience as a full-stack or frontend engineer
Strong technical background (degree in Computer Science, Engineering, or related field preferred, or equivalent experience).
Strong expertise in Next.js is a must.
Solid experience with modern frontend development (React, TypeScript, CSS frameworks).
Hands-on backend experience at the application level: building and maintaining APIs, working with databases, and troubleshooting backend issues.
Understanding of scalability and performance optimization for web applications.
Experience working at early-stage startups or on 0→1 product launches.
A self-starter mindset-comfortable owning projects, making decisions with incomplete information, and iterating quickly.
Strong communication and collaboration skills.
Learn More About Us: Viven Emerges from Stealth | TechCrunch
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Equal Opportunity Employment:
Viven is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants. We value diversity and are dedicated to fostering an inclusive environment for all employees, regardless of race, color, sex, gender identity or expression, age, religion, national origin, ancestry, citizenship, disability, military or veteran status, genetic information, sexual orientation, marital status, or any other characteristic protected under applicable law.
If you are passionate about AI and eager to make an impact, we would love to hear from you. Apply today to join the Viven team and help us build the future of AI.
Founding Software Engineer / Protocol Engineer
Lead developer job in Fremont, CA
We are actively searching for a Founding Protocol Engineer to join our team on a permanent basis. In this position you will If you are someone that is impressed with what Hyperliquid has accomplished then this role is for you. We are on a mission to build next generation lending and debt protocols. We are open to both Senior level and Architect level candidates for this role.
Your Rhythm:
Drive the architecture, technical design, and implementation of our lending protocol.
Collaborate closely with researchers to validate and test designs
Collaborate with auditors and security engineers to ensure safety of the protocol
Participate in code reviews, providing constructive feedback and ensuring adherence to established coding standards and best practices
Your Vibe:
5+ years of professional software Engineering experience
3+ years of experience working in Solidity in EVM in production environments, specifically focused in DeFi products
2+ years of experience working with a modern backend languages (Go, Rust, Python, etc) in distributed architectures
Experience building lending protocols in a smart contract language
Open to collaborating onsite a few days a week at our downtown SF office
Our Vibe:
Relaxed work environment
100% paid top of the line health care benefits
Full ownership, no micro management
Strong equity package
401K
Unlimited vacation
An actual work/life balance, we aren't trying to run you into the ground. We have families and enjoy life too!
Software Engineer
Lead developer job in San Francisco, CA
Founding Engineer
$140K - $200K + equity
San Francisco (Onsite Role)
Direct Hire
A fast growing early-stage start who recently secured a significant amount at Seed is actively hiring 3x software engineers to join their founding team. They're looking for people who are scrappy, move fast, challenge assumptions, and are driven to win. They build quickly and expect teammates to push boundaries.
Who You Are
Make quick, reversible (“two-way door”) decisions
Proactively fix problems before being asked
Comfortable working across a modern engineering stack (e.g., TypeScript, Python, containerisation, ML/LLM tooling, databases, cloud environments, mobile frameworks)
Have built real, shipped products
Thrive in ambiguity and fast-moving environments
What You'll Do
Talk directly with users to understand their workflows, pain points, and needs
Architect systems that support large enterprise usage
Build automated pipelines and intelligent agents that process and verify large volumes of data
Maintain scalable, robust infrastructure
Ship quickly - progress over perfection
The Reality
You'll work closely with the founding team and directly with customers
User value beats hype, trends, and “cool tech”
Expect a demanding, high-output culture
If you're a Software Engineer with 2 + years' experience and want to work in a growing start-up, please do apply now for immediate consideration.
Founding Software Engineer / Protocol Engineer
Lead developer job in San Francisco, CA
We are actively searching for a Founding Protocol Engineer to join our team on a permanent basis. In this position you will If you are someone that is impressed with what Hyperliquid has accomplished then this role is for you. We are on a mission to build next generation lending and debt protocols. We are open to both Senior level and Architect level candidates for this role.
Your Rhythm:
Drive the architecture, technical design, and implementation of our lending protocol.
Collaborate closely with researchers to validate and test designs
Collaborate with auditors and security engineers to ensure safety of the protocol
Participate in code reviews, providing constructive feedback and ensuring adherence to established coding standards and best practices
Your Vibe:
5+ years of professional software Engineering experience
3+ years of experience working in Solidity in EVM in production environments, specifically focused in DeFi products
2+ years of experience working with a modern backend languages (Go, Rust, Python, etc) in distributed architectures
Experience building lending protocols in a smart contract language
Open to collaborating onsite a few days a week at our downtown SF office
Our Vibe:
Relaxed work environment
100% paid top of the line health care benefits
Full ownership, no micro management
Strong equity package
401K
Unlimited vacation
An actual work/life balance, we aren't trying to run you into the ground. We have families and enjoy life too!
Software Engineer
Lead developer job in Fremont, CA
Founding Engineer
$140K - $200K + equity
San Francisco (Onsite Role)
Direct Hire
A fast growing early-stage start who recently secured a significant amount at Seed is actively hiring 3x software engineers to join their founding team. They're looking for people who are scrappy, move fast, challenge assumptions, and are driven to win. They build quickly and expect teammates to push boundaries.
Who You Are
Make quick, reversible (“two-way door”) decisions
Proactively fix problems before being asked
Comfortable working across a modern engineering stack (e.g., TypeScript, Python, containerisation, ML/LLM tooling, databases, cloud environments, mobile frameworks)
Have built real, shipped products
Thrive in ambiguity and fast-moving environments
What You'll Do
Talk directly with users to understand their workflows, pain points, and needs
Architect systems that support large enterprise usage
Build automated pipelines and intelligent agents that process and verify large volumes of data
Maintain scalable, robust infrastructure
Ship quickly - progress over perfection
The Reality
You'll work closely with the founding team and directly with customers
User value beats hype, trends, and “cool tech”
Expect a demanding, high-output culture
If you're a Software Engineer with 2 + years' experience and want to work in a growing start-up, please do apply now for immediate consideration.