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  • $136.44k - $230.24k

     ...Scientific Computing Center (NERSC) is seeking a versatile Software / API Engineer to join our team building software systems that...  ...What You Will Do, at Level 3: Work with a team to develop and maintain a broad portfolio of software projects. Build,... 
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    Full time
    For contractors
    Work at office
    Remote work
    Flexible hours

    Lawrence Berkeley Lab

    Berkeley, CA
    11 hours ago
  • $170k

     ...Convex Developer Role Convex is transforming the way developers build applications. Our mission is to fundamentally change how software...  ...backend platform but our key differentiator is an excellent client API and developer experience. We've invested huge efforts in our... 
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    Full time
    Work at office
    Night shift

    Convex

    San Francisco, CA
    2 days ago
  • $180k - $300k

     ...how people search, reason, and interact with information. Our API team sits at the core of this vision, designing and operating the...  ...interfaces that expose Perplexity’s intelligence to developers, enterprises, and products worldwide. This team owns the architecture... 
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    Full time
    Worldwide

    Pantera Capital

    San Francisco, CA
    4 days ago
  •  ...technical solutions. Must Have Skills for Role: Backend Experience: 3+ years in software development; proficiency in building APIs from the ground up using modern Python frameworks (FastAPI, Django, etc.). AI/ML: Experience building GenAI applications,... 
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    Talent Search PRO

    San Francisco, CA
    4 days ago
  • $220.7k - $268.1k

     ...Staff Software Engineer Partner Platform, APIs & Ecosystem Services At Quizlet, our mission is to help every learner achieve their...  ...implement APIs powering partner experiences and agentic workflows. Develop MCP and agentic services to build the LearnOS of Quizlet.... 
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    Work at office
    3 days per week

    Quizlet

    San Francisco, CA
    1 day ago
  •  ...About The Role We are hiring a Senior Software Engineer, Web API Platform to help establish a company-wide API platform that accelerates...  ..., predictable performance, and strong observability, improving developer experience and enabling teams to ship faster and more safely.... 
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    Temporary work
    Home office
    Flexible hours

    Scribd

    San Francisco, CA
    11 hours ago
  •  ...Platform & Infrastructure Introduction At Perplexity AI, the API Platform powers AI‑native search, retrieval, and automation for...  ...most innovative companies. Our Support team is the frontline for developer and enterprise success—ensuring that customers can build fast, reliable... 
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    Full time

    Pantera Capital

    San Francisco, CA
    4 days ago
  •  ...leading consulting firm in San Francisco seeks a Sr. Java Full Stack Developer to work collaboratively in a Project Delivery Model. This role requires 6+ years of experience in Java Full Stack Development, API design, and familiarity with cloud platforms and... 
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    Relha LLC

    San Francisco, CA
    3 days ago
  • $102.75k - $171.25k

    A leading consulting firm in San Francisco seeks a Sr. Java Full Stack Developer to design and develop high-performance APIs. The role involves collaborating with cross-functional teams to improve and optimize processes and solutions in a client-centric environment. The... 
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    Relha LLC

    San Francisco, CA
    11 hours ago
  • $500 per month

     ...favorite shows, help them discover new favorites, and get them seamlessly into the video player watching their next shows. The Product API team is central to this mission and powers virtually every non-media interaction in our application delivering a personalized... 
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    Full time
    Work at office
    Immediate start
    Remote work
    Home office
    3 days per week

    Philo

    San Francisco, CA
    4 days ago
  • $180k - $300k

    A leading financial technology firm is seeking a Staff Backend Engineer to design and operate crucial APIs that drive their platform's performance. The role requires over 5 years of experience in backend engineering, specifically with Python, Go, or Rust, and focuses on... 
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    Remote work

    Pantera Capital

    San Francisco, CA
    4 days ago
  •  ...seeking a Software Engineer to build scalable backend systems supporting millions of users. You will collaborate across teams to design APIs, manage data infrastructure, and contribute to product growth. The ideal candidate has 3-5+ years of experience and a strong... 
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    gamma.app

    San Francisco, CA
    4 days ago
  •  ...Role : Java Microservices Engineer with API Note : Strong Coding Experience Location : SFO, CA (Remote) Client : Delta Dental...  ...: Microservices Engineer Full Stack Java Developer with 10+ years of IT experience. Strong work experience in... 
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    Contract work
    Work experience placement
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    r2 Technologies, Inc.

    San Francisco, CA
    4 days ago
  • A technology company based in San Francisco is seeking a Senior Software Engineer for their Web API Platform team. The role entails designing and implementing product-facing web APIs to accelerate web modernization. The candidate should possess over 6 years of software... 
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    Jobleads-US

    San Francisco, CA
    3 days ago
  • $180k - $200k

     ...company is backed by climate-tech and Silicon Valley investors. We're seeking a Senior Software Engineer to design and build the APIs that deliver data and real time events to Gridware's customers. You'll create critical interfaces that allow utilities to access our... 
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    Gridware

    San Francisco, CA
    3 days ago
  •  ...company is looking for a Software Engineer to help shape AI-powered IT service delivery. You will design scalable backend systems, develop APIs, and work alongside engineers to integrate AI models. This role requires 4+ years in software engineering and proficiency in... 

    Titan

    San Francisco, CA
    3 days ago
  • A financial services consulting firm in San Francisco seeks an experienced API/.NET Developer to drive modernization of legacy Windows applications and develop high-quality APIs. This technical role requires hands-on expertise in C#, .NET Core, and Azure, along with strong... 

    Granite Solutions Groupe

    San Francisco, CA
    2 days ago
  • $170.88k - $231.6k

     ...As a Senior Software Engineer, you’ll design and implement the APIs and integrations that connect Quizlet to a global ecosystem of...  ...help define the architecture for our LearnOS plugin system, build developer tooling, and collaborate across teams to ensure secure,... 
    Work at office
    3 days per week

    Icon Ventures

    San Francisco, CA
    11 hours ago
  • $200k - $240k

     ...Francisco HQ, we operate fully in-person, move fast and hire people who are ready to win. Your Mission As the Backend Tech Lead on the Data API team , your mission is to architect and scale our core API infrastructure that powers mission‑critical workflows for Marketing, Sales... 
    Immediate start

    Hockeystack

    San Francisco, CA
    2 days ago
  • $130k - $180k

     ...a Backend Engineer to drive the design and implementation of essential platform capabilities. This role involves developing security measures, creating APIs, and enhancing system performance. Competitive compensation of $130K-$180K, unlimited PTO, and top-tier benefits,... 

    Plaud

    San Francisco, CA
    4 days ago
  • A tech innovator in AI memory systems is seeking an experienced Backend Engineer to design and develop clean REST APIs, manage data modeling, and resolve customer issues in San Francisco. With a collaborative office-first culture, the ideal candidate will have over three... 
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    Mem0

    San Francisco, CA
    1 day ago
  • $247k - $335k

     ...Engineering Manager to oversee development teams on its established API products in San Francisco. You will recruit, manage, and grow a...  ...team responsible for building and maintaining high-quality developer tools. The role calls for collaborative efforts with various departments... 

    Notion

    San Francisco, CA
    3 days ago
  •  ...Job Title: Azure API Developer Location: Onsite - San Francisco, CA / San Ramon, CA Experience Required: 10+ Years Employment Type: Contract Role Overview We are seeking a senior Azure API Developer to design, modernize, and support enterprise applications... 
    Contract work

    Purple Drive

    San Francisco, CA
    11 hours ago
  •  ...technology firm located in San Francisco is seeking a Senior Software Engineer for its Platform team. This role involves working on the core API that powers document parsing and optimizing document processing with cutting-edge LLMs. Candidates must have over 5 years of... 

    Jobleads-US

    San Francisco, CA
    3 days ago
  • $276k - $323k

     ...Quizlet’s extensible learning ecosystem, including our Partner API platform, Connector services, and LearnOS plugin architecture. This...  ...: Own and evolve the external API gateway, SDKs, and developer tooling. Connector Runtime & LearnOS: Design sandboxed plugin... 
    Work at office
    3 days per week

    Icon Ventures

    San Francisco, CA
    2 days ago
  •  ...engineers. Ideal candidates will have over 7 years of backend engineering experience, especially in distributed systems and scalable APIs. The role emphasizes both technical excellence and a product-minded approach. Join a creative, passionate team dedicated to... 

    gamma.app

    San Francisco, CA
    11 hours ago
  • $320k - $405k

     ...Software Engineer, API (Backend) Anthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers... 
    Work at office
    Visa sponsorship
    Flexible hours

    Anthropic

    San Francisco, CA
    3 days ago
  • $135k - $300k

     ...seeks a talented Full Stack Engineer with a focus on front-end development. You will design user interfaces, collaborate with teams, develop API integrations, and contribute to back-end architecture. The ideal candidate has 4+ years' experience, strong skills in HTML, CSS,... 

    Ema

    San Francisco, CA
    4 days ago
  • $95k - $230k

     ...Tokenized World Where All Forms of Value Can Flow Freely". We deliver this to web3 builders with a delightfully simple suite of developer APIs that provide faster trading, better prices, and superior user experience. Founded in 2017, we’ve processed over 78M+... 
    Full time
    Work at office
    Local area
    Remote work
    Work from home
    Flexible hours

    Placeholder

    San Francisco, CA
    4 days ago
  • $163.9k - $190.8k

     ...As a Software Engineer , you’ll help build Quizlet’s next-generation partner and API platform—the foundation of our LearnOS ecosystem. You’ll work on systems that let external developers, AI agents, and educational platforms connect seamlessly with Quizlet’s content and... 
    Work at office
    3 days per week

    Icon Ventures

    San Francisco, CA
    2 days ago