Post job

Senior engineer jobs in Inglewood-Finn Hill, WA - 4,011 jobs

All
Senior Engineer
Research Engineer
Staff Engineer
Senior Solutions Engineer
Lead Engineer
Systems Engineer
Principal Engineer
Senior Information Engineer
  • Staff ML Engineer: LLMs & RL for Next-Gen AI

    Apple Inc. 4.8company rating

    Senior engineer job in Seattle, WA

    A leading technology company in Seattle is seeking a Machine Learning Engineer to advance features in Apple products. The ideal candidate will have 1+ years of experience in machine learning, particularly in natural language processing and reinforcement learning. Responsibilities include developing RL technologies, collaborating with teams, and enhancing LLM capabilities. A master's or Ph.D. in a related field is preferred, along with a growth mindset and ability to adapt to new technologies. Competitive salary range is $139,500 to $258,100, along with extensive benefits. #J-18808-Ljbffr
    $139.5k-258.1k yearly 2d ago
  • Job icon imageJob icon image 2

    Looking for a job?

    Let Zippia find it for you.

  • Senior ML Engineer - Real-Time, Large-Scale Travel Platform

    Expedia, Inc. 4.7company rating

    Senior engineer job in Seattle, WA

    A leading travel technology company in Seattle is seeking a Machine Learning Engineer III to design and scale intelligent systems for their global travel marketplace. You will collaborate with cross-functional teams to optimize real-time pricing and inventory and develop models that enhance trust across the service. The ideal candidate will have strong experience in software engineering and a passion for applying machine learning in complex systems. #J-18808-Ljbffr
    $126k-160k yearly est. 2d ago
  • Lead ML Engineer - Ads Identity & Conversion

    Pinterest 4.6company rating

    Senior engineer job in Seattle, WA

    A leading social media platform in Palo Alto is looking for a Technical Lead Manager in Ads Conversion Modeling. This role includes leading the User Match Prediction roadmap, developing conversion models, and partnering with various teams to drive performance. Ideal candidates have a strong software engineering background, machine learning knowledge, and 6+ years of relevant experience. The position offers a competitive salary and hybrid work flexibility. #J-18808-Ljbffr
    $143k-185k yearly est. 3d ago
  • Senior AI-Driven Backend Engineer

    Rippling

    Senior engineer job in Seattle, WA

    A technology company in Seattle is seeking a highly experienced backend engineer to develop and optimize software systems using machine learning. Successful candidates will have over 6 years of experience and be comfortable in both backend services and programming. This role involves designing data-driven products, ensuring operational excellence, and collaborating across teams. The company offers a competitive salary between $159,000 and $278,250 per year along with benefits and equity. #J-18808-Ljbffr
    $159k-278.3k yearly 4d ago
  • Sr Solutions Engineer

    Disneyland Hong Kong

    Senior engineer job in Seattle, WA

    Disney Entertainment & ESPN Product and Technology (DEEP&T) Ad Platforms is responsible for delivering global advertising technology solutions for Disney's Linear & Addressable channels, brands and streaming services. With unmatched scale, premium content, and innovative capabilities, we are a market leader in advertising. We build and maintain proprietary technology, ranging from ad serving and ad delivery, campaign management, reporting as well as all the integrations - internal and external - that come with evolving and maintaining a best-in-class video advertising business. The Ad Platforms Technical Operations team seeks an experienced Sr. Solutions Engineer to oversee and ensure the optimal performance of our Live Dynamic Ad Insertion (DAI) channel. The ideal candidate enjoys solving complex and technical problems and has experience in the Live DAI field. You will need proven leadership skills, a sense of urgency, experience with critical service operations, and the ability to problem-solve in high volume production environments. This is an exciting opportunity for a digital media enthusiast to join the fast-paced , talented professionals on the Ad Platform team. Responsibilities Monitor and maintain operational dashboards in Conviva, Datadog, Snowflake, etc. Collect key performance metrics (KPM) tracking Live DAI performance and deliver weekly summaries / monthly KPM reports to diverse audience of advertising stakeholders Maintain detailed operational documentation for both internal and external consumption. Investigate complex issues, diagnose product bugs, and resolve requests Work with team to develop strategies to automate operational DAI workflows for live event management and addressable linear programming Develop strong partnerships with ad sales, account managers, engineering, infrastructure, design, and production teams to deliver strategic and tactical channel objectives. Assist in creating channel-specific onboarding and cross-training documentation Required Qualifications Minimum of 5 years of experience in digital advertising operations or support, preferably with a focus in video advertising technology. Experience with OTT streaming technologies including HLS and MPEG-DASH Excellent interpersonal skills with the ability to collaborate and partner across multiple teams and organizations Strong understanding of digital advertising specs including VAST, VMAP, SCTE, etc. Demonstrated ability to effectively communicate complex concepts to technical and unacquainted audiences Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Strong presentation and documentation skills including experience working with Confluence, PowerPoint, and LucidChart Strong analytical and critical thinking skills Preferred Qualifications Experience with live event management for high concurrency events Experience with digital advertising systems and ecosystems Experience with terminal commands, and scripting languages for task automation and debugging Experience tracing ad calls using proxy and debugging tools to decode VAST Experience with ad event tracking, log-level data processing, and reporting for ad campaign performance. Required Education Bachelor's degree in Computer Science or Engineering, Electrical Engineering, Broadcasting, Digital Media, related technical fields, or equivalent experience 工作概要: Disney Entertainment & ESPN Product and Technology (DEEP&T) Ad Platforms is responsible for delivering global advertising technology solutions for Disney's Linear & Addressable channels, brands and streaming services. With unmatched scale, premium content, and innovative capabilities, we are a market leader in advertising. We build and maintain proprietary technology, ranging from ad serving and ad delivery, campaign management, reporting as well as all the integrations - internal and external - that come with evolving and maintaining a best-in-class video advertising business. The Ad Platforms Technical Operations team seeks an experienced Sr. Solutions Engineer to oversee and ensure the optimal performance of our Live Dynamic Ad Insertion (DAI) channel. The ideal candidate enjoys solving complex and technical problems and has experience in the Live DAI field. You will need proven leadership skills, a sense of urgency, experience with critical service operations, and the ability to problem-solve in high volume production environments. This is an exciting opportunity for a digital media enthusiast to join the fast-paced , talented professionals on the Ad Platform team. Responsibilities Monitor and maintain operational dashboards in Conviva, Datadog, Snowflake, etc. Collect key performance metrics (KPM) tracking Live DAI performance and deliver weekly summaries / monthly KPM reports to diverse audience of advertising stakeholders Provide live event management support during non-business hours. Maintain detailed operational documentation for both internal and external consumption. Investigate complex issues, diagnose product bugs, and resolve requests Work with team to develop strategies to automate operational DAI workflows for live event management and addressable linear programming Develop strong partnerships with ad sales, account managers, engineering, infrastructure, design, and production teams to deliver strategic and tactical channel objectives. Assist in creating channel-specific onboarding and cross-training documentation Required Qualifications Minimum of 5 years of experience in digital advertising operations or support, preferably with a focus in video advertising technology. Experience with OTT streaming technologies including HLS and MPEG-DASH Excellent interpersonal skills with the ability to collaborate and partner across multiple teams and organizations Strong understanding of digital advertising specs including VAST, VMAP, SCTE, etc. Demonstrated ability to effectively communicate complex concepts to technical and unacquainted audiences Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Strong presentation and documentation skills including experience working with Confluence, PowerPoint, and LucidChart Strong analytical and critical thinking skills Preferred Qualifications Experience with live event management for high concurrency events Experience with digital advertising systems and ecosystems Experience with terminal commands, and scripting languages for task automation and debugging Experience tracing ad calls using proxy and debugging tools to decode VAST Experience with ad event tracking, log-level data processing, and reporting for ad campaign performance. Required Education Bachelor's degree in Computer Science or Engineering, Electrical Engineering, Broadcasting, Digital Media, related technical fields, or equivalent experience The hiring range for this position in NYC and Seattle, WA is $135,400 to $181,600 per year and in Santa Monica, CA is $129,300 to $173,300. The base pay actually offered will take into account internal equity and also may vary depending on the candidate's geographic region, job-related knowledge, skills, and experience among other factors. A bonus and/or long-term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial and/or other benefits, dependent on the level and position offered.Disability Accommodation for Employment Applications The Walt Disney Company and its Affiliated Companies are Equal Employment Opportunity employers and welcome all job seekers including individuals with disabilities and veterans with disabilities. If you have a disability and believe you need a reasonable accommodation in order to search for a job opening or apply for a position, visit the Disney candidate disability accommodations FAQs Link opens in new window . We will only respond to those requests that are related to the accessibility of the online application system due to a disability. #J-18808-Ljbffr
    $135.4k-181.6k yearly 3d ago
  • Edge ML Research Engineer - Transformer AI for Defense

    Slope 4.0company rating

    Senior engineer job in Seattle, WA

    A defense technology company is seeking an experienced AI Engineer to work on their Lattice software platform. This role involves developing and improving machine learning algorithms, working with cross-functional teams to solve complex problems, and pushing AI solutions into production. The ideal candidate holds a BS in a related field with over 5 years of relevant experience. A competitive salary range of $220,000 - $292,000 USD is offered along with comprehensive benefits including healthcare and professional development. #J-18808-Ljbffr
    $92k-108k yearly est. 5d ago
  • Senior Node.js Engineer - Scale an HR Platform

    Workstream Construction Services Ltd.

    Senior engineer job in Seattle, WA

    A mission-driven tech company in Seattle is seeking an experienced software developer to work closely with cross-functional teams to deliver product features and optimize software performance. The ideal candidate has a Bachelor's degree in Computer Science and over 5 years of application development experience, particularly with NodeJS frameworks. This role offers a competitive salary range of $120,000 to $180,000 USD, alongside opportunities for growth and development in a high-growth environment. #J-18808-Ljbffr
    $120k-180k yearly 3d ago
  • Lead, Cross-Platform & Mobile Engineering

    Minimal

    Senior engineer job in Seattle, WA

    A leading technology firm in Seattle is looking for a seasoned technical leader to manage a team of developers. You will oversee mobile development projects, set strategic direction, and mentor your team. Ideal candidates will have extensive experience in C++ and TypeScript, along with a solid background in mobile applications. This role offers a competitive salary of $195,000 to $343,000 annually, depending on experience, as well as a comprehensive benefits package including paid parental leave and medical coverage. #J-18808-Ljbffr
    $71k-110k yearly est. 4d ago
  • Staff Platform Engineer

    Clarify 4.2company rating

    Senior engineer job in Seattle, WA

    About the role You'll join our engineering team as a Staff Platform Engineer. You will work closely with our founders on zero-to-one experiences, make foundational technical design decisions, and own a large engineering scope. We're looking for someone who loves delivering great customer experiences and has a passion for building scalable platforms. What you'll do Design and develop high-quality product software, drive the architectural decision, and full product delivery life cycle for new platform capabilities. Collaborate with cross-functional teams to deliver product features on time. Work with the team to build data integrations with various tools in the ecosystem. Partner with our founders on the strategy of our customer-facing experiences. Write technical documentation and contribute to internal processes. Have high ownership over technical decisions and direction. Help educate and guide all future engineers in our technology stack. Establish standards and best practices for engineering. Your background 8+ years of experience building scalable platforms. Good understanding of database internals and experience in schema design. Experience working on the AWS platform. Excitement for integrating the latest LLMs into products. Hands-on experience with data pipeline technologies: Spark, Flink, etc. Proficient with our technology stack: React, TypeScript, Next.js, and Postgres. Pragmatic problem solver with a focus on delivering impact. Demonstrated personal and professional maturity. Experience taking software from ideation to production. Strong problem-solving and critical-thinking skills. Excellent communication and collaboration skills. Startup experience or a desire to build your own company one day. #J-18808-Ljbffr
    $73k-121k yearly est. 2d ago
  • Senior ML Engineer - Ranking, Search & Recommendations

    Engineeringuk

    Senior engineer job in Seattle, WA

    A global travel technology company seeks a Machine Learning Engineer III in Seattle. You will design ML-powered features to enhance the traveler experience while collaborating with cross-functional teams. The ideal candidate has a Bachelor's or Master's in a technical field and expertise in programming, machine learning engineering, and cloud services. Benefits include competitive salary, travel perks, and professional development opportunities. #J-18808-Ljbffr
    $109k-151k yearly est. 3d ago
  • Senior Mobile Engineer - Vehicle Intelligence, Real-Time AI

    Out In Science, Technology, Engineering, and Mathematics

    Senior engineer job in Seattle, WA

    Axon is seeking a Senior Mobile Engineer to enhance its Vehicle Intelligence capabilities in Seattle. This role involves leading the design of native mobile applications and requires strong skills in iOS or Android, as well as experience with video streaming and IoT devices. Join Axon in contributing to public safety innovations that protect life and drive real change in a collaborative and dynamic environment. #J-18808-Ljbffr
    $109k-151k yearly est. 5d ago
  • Senior iOS Engineer - SwiftUI/UIKit | Flexible Hours

    Zuper

    Senior engineer job in Seattle, WA

    A flexible field service management platform is seeking an experienced iOS Developer in Seattle. The role involves designing, developing, and maintaining iOS applications using UIKIT and SwiftUI, requiring around 4 years of relevant experience. Additionally, strong problem-solving skills and proficiency with CI/CD tools are essential. The company offers a vibrant culture with flexible hours, competitive rewards, and a supportive environment aimed at personal and professional growth. #J-18808-Ljbffr
    $109k-151k yearly est. 3d ago
  • Principal ML Engineer: LLMs & Production at Scale

    Workday, Inc. 4.8company rating

    Senior engineer job in Seattle, WA

    A leading tech company in Seattle is looking for a Principal Machine Learning Engineer to enhance AI-powered contract intelligence solutions. The candidate should have over 10 years of experience in building machine learning products and at least 4 years in ML frameworks such as Pytorch and TensorFlow. This role offers a hybrid work environment promoting flexibility, teamwork, and professional growth, backed by comprehensive compensation and benefits. #J-18808-Ljbffr
    $127k-164k yearly est. 3d ago
  • Systems Engineer - Systems Engineer II

    Us Tech Solutions 4.4company rating

    Senior engineer job in Bellevue, WA

    We're seeking a hybrid SDE + Systems Engineer profile The successful engineer in this role will: Understand how commodity servers, operating systems and networks function, perform and scale. Possess superb troubleshooting, project management and problem analysis skills. Drive technical innovation and efficiency in infrastructure operations via automation. Design server monitoring and management solutions using automation and self-repair. Create processes that enhance operational workflow and provide positive customer impact. Dive deep to resolve problems at their root, looking for failure patterns amenable to long-term solutions via simplification and automation. Avoid re-inventing the wheel and prefer appropriately simple, repeatable solutions over more complex and failure prone ones. Recognize and adopt best practices in documentation, testing, security, operational support at scale, and efficient use of resources. Develop appropriate metrics to demonstrate performance at improving operational efficiency. Core Requirements: In depth knowledge of & experience deploying and operating Linux or other UNIX variants in a datacenter environment. Relentless passion for frugality and out-of-the-box engineering. Strong system troubleshooting skills. Proficiency and experience in automation via Perl/Python programming and shell scripting. Good understanding of standard internet protocols (Ethernet, ARP, IP, ICMP, UDP, TCP, SSL, DNS, HTTP, etc.) Demonstrable grasp of security best practices in server configuration, tool development, and access controls. Experience in building SQL queries. Typical Task Breakdown: Understand how commodity servers, operating systems and networks function, perform and scale. Possess superb troubleshooting, project management and problem analysis skills. Drive technical innovation and efficiency in infrastructure operations via automation. Design server monitoring and management solutions using automation and self-repair. Create processes that enhance operational workflow and provide positive customer impact. Dive deep to resolve problems at their root, looking for failure patterns amenable to long-term solutions via simplification and automation. Avoid re-inventing the wheel and prefer appropriately simple, repeatable solutions over more complex and failure prone ones. Recognize and adopt best practices in documentation, testing, security, operational support at scale, and efficient use of resources. Develop appropriate metrics to demonstrate performance at improving operational efficiency. Degrees / Certs and/or Experience Required: In depth knowledge of & experience deploying and operating Linux or other UNIX variants in a datacenter environment. Relentless passion for frugality and out-of-the-box engineering. Strong system troubleshooting skills. Proficiency and experience in automation via Perl/Python programming and shell scripting. Good understanding of standard internet protocols (Ethernet, ARP, IP, ICMP, UDP, TCP, SSL, DNS, HTTP, etc.) Demonstrable grasp of security best practices in server configuration, tool development, and access controls. Experience in building SQL queries. Preferred Qualifications: Knowledge of C, C++ or Java. Knowledge of VCS (git, mercurial, svn). Understanding of AWS technologies. Experience deploying or managing servers in large-scale, geographically diverse environments. Understanding & experience of managing and monitoring large scale disk sub-systems. Operational knowledge of common enterprise switching and routing platforms About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions. To know more about US Tech Solutions, please visit ************************ US Tech Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Recruiter Details: Name: Shweta Email: *********************************** Internal Id: 25-54454
    $103k-135k yearly est. 3d ago
  • Staff ML Engineer, Large-Scale AI & Search

    Apple Inc. 4.8company rating

    Senior engineer job in Seattle, WA

    A leading technology corporation in Seattle is seeking an Applied Machine Learning Engineer to enhance the intelligence behind Siri and other products. The role requires a strong background in machine learning and software engineering. Ideal candidates hold an MS or PhD in Computer Science and possess experience with technologies like PyTorch and TensorFlow. Competitive compensation includes options for stock awards and various employee benefits. #J-18808-Ljbffr
    $142k-188k yearly est. 1d ago
  • Research Engineer, Machine Learning

    Slope 4.0company rating

    Senior engineer job in Seattle, WA

    Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. ABOUT THE TEAM Anduril's Lattice software platform integrates together many sensors into a single cohesive view of the world, providing needed context for our users. AI Engineers on Anduril's Frontier AI team build edge-compatible, generative AI systems into the Lattice software platform to provide features and products that improve autonomy and reduce cognitive burden on the warfighter. Specific applications include but are not limited to automating mission planning, battle-space understanding, voice-control of assets, and enabling higher-levels of autonomy. WHAT YOU'LL DO Distill and fine-tune transformer architectures so they can be deployed onto edge devices or compute denied environments Propose and prototype LLM-based Agentic systems that help solve real world problems, leveraging the latest state-of-the-art techniques in the field Develop and maintain mission relevant benchmarks Work cross-functionally with different business lines across Anduril to help discover and scope new research problems REQUIRED QUALIFICATIONS BS in Computer Science, Machine Learning, Electrical Engineering, or related field 5+ years experience developing and benchmarking ML algorithms Experience pushing and maintaining ML algorithms in production Strong Python skills with experience in ML frameworks such as PyTorch Eligible to obtain and maintain an active U.S. Secret security clearance PREFERRED QUALIFICATIONS Experience fine-tuning transformer-based model Experience deploying deep-learning based models to edge devices or air gapped environments Prior experience in defense tech or start-up US Salary Range $220,000 - $292,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including: Healthcare Benefits US Roles: Comprehensive medical, dental, and vision plans at little to no cost to you. UK & AUS Roles: We cover full cost of medical insurance premiums for you and your dependents. IE Roles: We offer an annual contribution toward your private health insurance for you and your dependents. Additional Benefits Income Protection: Anduril covers life and disability insurance for all employees. Generous time off: Highly competitive PTO plans with a holiday hiatus in December. Caregiver & Wellness Leave is available to care for family members, bond with a new baby, or address your own medical needs. Family Planning & Parenting Support: Coverage for fertility treatments (e.g., IVF, preservation), adoption, and gestational carriers, along with resources to support you and your partner from planning to parenting. Mental Health Resources: Access free mental health resources 24/7, including therapy and life coaching. Additional work-life services, such as legal and financial support, are also available. Professional Development: Annual reimbursement for professional development. Commuter Benefits: Company-funded commuter benefits based on your region. Relocation Assistance: Available depending on role eligibility. Retirement Savings Plan US Roles: Traditional 401(k), Roth, and after-tax (mega backdoor Roth) options. UK & IE Roles: Pension plan with employer match. AUS Roles: Superannuation plan. The recruiter assigned to this role can share more information about the specific compensation and benefit details associated with this role during the hiring process. To view Anduril's candidate data privacy policy, please visit ********************************************** #J-18808-Ljbffr
    $92k-108k yearly est. 5d ago
  • Staff Platform Engineer: Scalable Cloud & Data Pipelines

    Clarify 4.2company rating

    Senior engineer job in Seattle, WA

    A tech company is seeking a Staff Platform Engineer to join their engineering team. In this role, you will design and develop high-quality scalable platforms, collaborate with cross-functional teams, and make key architectural decisions. The ideal candidate has over 8 years of experience in this field, strong problem-solving skills, and expertise in database design, AWS platform, and data pipeline technologies. This position offers a chance to work closely with the founders on innovative projects. #J-18808-Ljbffr
    $73k-121k yearly est. 2d ago
  • Senior ML Engineer, Generative Recommendations

    Minimal

    Senior engineer job in Seattle, WA

    A leading tech company in Seattle is seeking a Principal Machine Learning Engineer to enhance content personalization through generative recommendations. The ideal candidate will have a strong background in machine learning, experience in technical leadership, and a profound understanding of generative architectures. This role requires collaboration across teams to leverage AI advancements effectively. The position offers competitive compensation and the commitment to a 'default together' work model, fostering a collaborative workspace. #J-18808-Ljbffr
    $109k-151k yearly est. 4d ago
  • Senior Live DAI Solutions Engineer

    Disneyland Hong Kong

    Senior engineer job in Seattle, WA

    A major entertainment company in Santa Monica is seeking a Sr. Solutions Engineer to oversee Live Dynamic Ad Insertion operations. The ideal candidate has 5+ years of experience in digital advertising technology, strong analytical and interpersonal skills, and the ability to communicate complex concepts effectively. Responsibilities include monitoring operational dashboards and producing performance reports for stakeholders. This role offers competitive compensation and an exciting opportunity in digital media. #J-18808-Ljbffr
    $80k-119k yearly est. 3d ago
  • Senior ML Engineer - Real-Time AI & Information Retrieval

    Apple Inc. 4.8company rating

    Senior engineer job in Seattle, WA

    A leading technology company in Seattle, Washington is seeking a Machine Learning Engineer to join their Answers, Knowledge & Information team. The role involves shaping user experiences for products like Siri and requires strong skills in applied machine learning and software engineering. Candidates should have a BS in a relevant field and at least 5 years of experience. A competitive compensation package including stock options and benefits is offered. #J-18808-Ljbffr
    $145k-184k yearly est. 2d ago

Learn more about senior engineer jobs

How much does a senior engineer earn in Inglewood-Finn Hill, WA?

The average senior engineer in Inglewood-Finn Hill, WA earns between $94,000 and $175,000 annually. This compares to the national average senior engineer range of $82,000 to $144,000.

Average senior engineer salary in Inglewood-Finn Hill, WA

$128,000

What are the biggest employers of Senior Engineers in Inglewood-Finn Hill, WA?

The biggest employers of Senior Engineers in Inglewood-Finn Hill, WA are:
  1. Amazon
  2. GEICO
  3. Digital Ocean Inc
  4. Apple
  5. Nintendo
  6. NVIDIA
  7. Bayer
  8. Boeing
  9. Audacy
  10. TikTok
Job type you want
Full Time
Part Time
Internship
Temporary