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221 full stack api developer jobs at 152 companies in San Francisco, CA

1mo
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Full Stack Engineer
Sunnyvale, California, United States
$175k-$200k/yr OnsiteFull Time
Knightscope
KnightscopeNASDAQ: KSCP: Manufactures autonomous robots and communication devices for physical security.
4+ YOE4+ years full-stack experience (4–8 preferred) with 2+ years integrating AI/ML or LLM APIs; strong full-stack skills (React/Next.js, Python/Node.js), SSDLC and security expertise, and a bachelor's degree in CS or equivalent experience.
React, TypeScript, Next.js, Python, Node.js, FastAPI, Flask, Express, OpenAI API, Anthropic Claude API, Langchain, LlamaIndex, Pinecone, Weaviate, pgvector, AWS, GCP, Azure, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, PostgreSQL, MySQL, MongoDB, Redis, Datadog, Grafana, OpenTelemetry
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1w
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Full Stack Engineer
San Francisco or New York City
$160k-$210k/yr HybridFull Time
Blee
Blee: AI-powered platform for marketing content compliance and review.
4+ YOE4+ years full-stack experience with backend emphasis, strong backend skills (databases, APIs, infra), cloud and container experience, CS fundamentals, observability and testing experience.
Python, Node.js, React, TypeScript, AWS, GCP, Docker, Terraform, Pulumi, Datadog, Sentry, Figma, Chrome, Adobe UXP, CEP, Office.js
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1mo
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Full Stack Engineer
San Mateo, California, United States
HybridFull Time
Sol
Sol: AI-native HRIS platform for modern workforce management.
Deep backend experience in Kotlin/Java and JVM services/APIs, TypeScript frontend experience, familiarity with concurrency and data access patterns, and daily use of AI coding tools; ability to ship full-stack features.
Kotlin, Java, JVM, TypeScript
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2mo
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Senior Full Stack Engineer
San Francisco, California, United States
$175k-$250k/yr OnsiteFull Time
Rely Health
Rely Health: AI-powered platform for automated healthcare patient care navigation.
5+ YOESenior level full-stack engineer with 5+ years across frontend and backend; production experience with Claude Code/Anthropic API; LLM integration; HIPAA/regulatory awareness; startup mindset and ability to work across product areas.
Claude Code, Anthropic API, LLM, React, Node.js, Python, APIs, Data pipelines
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2mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
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2mo
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Full Stack Engineer
San Francisco, California, United States
$175k-$275k/yr HybridFull Time
HealthLeap
HealthLeap: AI clinical assistant for inpatient risk screening and prioritization.
4+ YOE4+ years building production web apps; strong React/TypeScript; API development; data transformations; multi-tenant design with auth and feature flags; healthcare experience preferred.
React, TypeScript, APIs, PostgreSQL, AWS, Containerization
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Senior Full Stack Engineer
San Francisco, California, United States
$176k-$242k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
3+ YOE3+ years building full-stack systems; proficiency in TypeScript or Python; strong knowledge of RESTful APIs, microservices, real-time protocols (WebSockets, gRPC), and relational/NoSQL databases.
TypeScript, Python, RESTful APIs, WebSockets, gRPC, PostgreSQL, MongoDB, Redis
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1mo
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Senior Full Stack Engineer
San Francisco, California, United States
$176k-$242k/yr OnsiteFull Time
Atoms
Atoms: Building specialized industrial robots and physical AI systems.
3+ YOE3+ years building full-stack systems; proficiency in TypeScript or Python; experience with RESTful APIs, microservices, real-time protocols (WebSockets, gRPC), and databases like PostgreSQL, MongoDB, or Redis.
TypeScript, Python, RESTful APIs, microservices, WebSockets, gRPC, PostgreSQL, MongoDB, Redis
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1w
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Lead Full Stack Engineer
Los Angeles or San Francisco
$220k-$260k/yr HybridFull Time
Genies
Genies: Provides an AI avatar framework for digital identity experiences.
7+ YOE2+ Mgmt7+ years full-stack experience with 2+ years technical leadership; expertise with React, Next.js, TypeScript, Node.js, Go/Python, databases, APIs, cloud (AWS); strong communication and mentorship skills.
React, Next.js, TypeScript, JavaScript, Node.js, Go, Python, GraphQL, NoSQL, AWS, WebSockets, OAuth 2.0, CI/CD
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2mo
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Full Stack Engineer - MTV
Mountain View, California, United States
HybridFull Time
Bespoke Labs
Bespoke Labs: Curating data and environments to train advanced AI agents.
4+ YOE4–8 years of production full-stack experience; strong Python, TypeScript, NextJS; PostgreSQL and ElasticSearch; experience with LLM APIs and agent-based systems; startup environment background; CS background preferred.
Python, TypeScript, NextJS, PostgreSQL, ElasticSearch, LLM APIs, AWS, GCP
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3mo
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Principal Full Stack Developer
Santa Clara or San Jose
$117k-$222k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developer and manufacturer of innovative medical devices and therapies.
8+ YOE3+ Mgmt8+ years software development; 3+ years in principal/leadership; full-stack with Node.js and/or Java; cloud-native microservices; AWS/Azure; SQL; Docker/Kubernetes; Agile; security/compliance.
React, TypeScript, Node.js, Java, AWS, Azure, Docker, Kubernetes, SQL, APIs, CI/CD
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2mo
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US - Full Stack Engineer
San Francisco, California, United States
$120k-$160k/yr HybridFull Time
AuxoAI
AuxoAI: Developing AI-driven enterprise software and intelligent automation solutions.
3+ YOEBachelor’s degree or equivalent experience; 3-6 years experience; frontend and backend development; cloud and CI/CD; API development; AI-assisted tools familiarity.
React, Angular, Vue.js, HTML, CSS, JavaScript, Java, Python, C#, Node.js, Spring, Vert.x, FastAPI, API, PostgreSQL, MySQL, MongoDB, Neo4J, AWS, Azure, GCP, CI/CD, GitHub Actions, Azure DevOps
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1mo
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Senior Full Stack Engineer — Founding Team
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
ArchiBoost AI
ArchiBoost AI: AI software for automated architectural code compliance and QA.
5+ YOE5+ years full-stack product engineering with React and TypeScript, backend experience (Python/TypeScript), API design, systems design, scalable architecture, and SaaS product shipping; AI/LLM experience preferred.
React, TypeScript, Python, Tailwind, LLMs, APIs, PWA
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1mo
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Full Stack Engineer (Contractor) - Palo Alto
Palo Alto or San Francisco or Singapore or Tokyo or Shenzhen or Seattle or Beijing
$85/hr OnsiteFull Time, Contract
Plaud
Plaud: Develops AI-powered voice recorders and automated transcription software.
3+ YOE3+ years full‑stack experience with modern frontend frameworks (React) and backend development (Go, Java or similar); RESTful API integration; building scalable, reliable web applications; strong communication and ownership.
React, Go, Java, RESTful API
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1mo
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Full Stack Engineer, ChatGPT Finances
San Francisco, California, United States
$293k-$325k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Experienced full-stack engineer with product judgment; build frontend and backend systems, design APIs and data models, handle sensitive financial data, and prioritize privacy, security, reliability, and observability.
Python, Go, Node.js, React, TypeScript, Swift, Kotlin
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1mo
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Sr. Full Stack Engineer
Sunnyvale, California, United States
$170k-$196k/yr OnsiteFull Time
Illumio
Illumio: Provides zero-trust segmentation software to contain cyberattacks.
5+ YOE5+ years full-stack/UI development experience; strong JavaScript/TypeScript and React.js skills; HTML5/CSS3 proficiency; experience with RESTful APIs and Git; cloud and containerization experience preferred; Master's preferred.
React.js, TypeScript, JavaScript, HTML5, CSS3, RESTful API, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, Native Browser APIs
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2d
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Senior Full-Stack Engineer, Platform
Palo Alto, California, United States
$175k-$200k/yr HybridFull Time
Sodalis
Sodalis: AI operating system for specialty pharmacy workflows and automation.
5+ YOE5+ years building full-stack production apps end-to-end, strong data modeling and API design, product instinct, experience turning bespoke work into configurable product, startup 0→1 experience.
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2w
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Senior Full-Stack/Software Developer
Palo Alto or Colombia
RemoteFull Time
Factored
Factored: Builds and scales elite AI and data engineering teams.
8+ YOE8+ years building scalable full-stack applications, experience with authentication/authorization, SQL/NoSQL, system design, cloud deployments, CI/CD, API integrations, and mentoring junior engineers.
Node.js, TypeScript, Python, FastAPI, React, Next.js, OAuth2, JWT, Greenhouse, HiBob, Jira, OpenAI, Anthropic, Elasticsearch, OpenSearch, Algolia, Meilisearch, pgvector, Terraform, CDK, CF, AWS, GCP, Azure
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1w
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Senior Software Engineer, Full Stack
Mountain View or San Bruno or San Francisco or San Jose or Sunnyvale
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOEBachelor's degree or equivalent experience; 5 years OOP in Java/C++/Python;5 years JavaScript/TypeScript;5 years front-end/full-stack/API development;3 years testing/launching software;1 year software design/architecture.
Java, C++, Python, JavaScript, TypeScript
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2mo
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Senior Full Stack Software Engineer (Network)
San Jose, California, United States
$156k-$315k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
6+ YOE6+ years full-stack development; React/Redux/JavaScript; Node.js REST APIs; Linux; cloud web apps; strong communication.
React, Redux, JavaScript, Node.js, REST APIs, Mocha, Linux, Cloud deployment tooling
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