HiringCafe
Join our community

316 full stack api developer jobs at 232 companies in California

2mo
Save
Mark Applied
Hide
Full-Stack Developer
Loma Linda, California, United States
$50-$67/hr HybridFull Time
Loma Linda University Health
Loma Linda University Health: Nonprofit academic medical center providing healthcare and higher education.
3+ YOEBachelor's degree in CS or related field; 3+ years full-stack and Drupal development; HTML/CSS/JS; PHP; Drupal 10+; REST APIs; Git; CI/CD; Agile.
HTML, CSS, JavaScript, Drupal, PHP, MySQL, Git, RESTful APIs, Composer, NPM, Vite, Gulp, CI/CD, Drush
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
3d
Save
Mark Applied
Hide
Staff Full Stack Engineer
Santa Monica or Brooklyn or New York City or United States
$190k-$220k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
Senior full-stack engineer with strong backend/API skills, product instincts, AI tool fluency, and experience building data-heavy services and integrations.
APIs, Python, FastAPI, React, TypeScript, React Router, Remix, PostgreSQL, SQLAlchemy, GCP
Job PostingView all
2mo
Save
Mark Applied
Hide
Full Stack Engineer, Growth
Los Angeles or New York
$131k-$175k/yr OnsiteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
5+ YOE5+ years of professional full stack development; JavaScript/TypeScript, React, Node.js; analytics/tracking, A/B testing, APIs; scalable systems; cross-functional collaboration.
JavaScript, TypeScript, React, Node.js
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2d
Save
Mark Applied
Hide
Full Stack Engineer - OE
Pomona or Rosemead or Jersey City
$80k-$104k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's or equivalent; strong full-stack development with Next.js, Typescript, Python, PostgreSQL; experience with microservices, REST APIs, cloud (Azure/GCP), Git/CI-CD, and AI/LLM integration.
Next.js, Typescript, Python, PostgreSQL, Drizzle, SQLAlchemy, REST APIs, SQL, NoSQL, Azure, GCP, Git, CI/CD, DevOps, Azure OpenAI, Vertex AI
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
4w
Save
Mark Applied
Hide
Senior Engineer, Full-Stack
Temecula, California, United States
OnsiteFull Time
FFF Enterprises
FFF Enterprises: Specialty pharmaceutical and vaccine distributor for healthcare providers.
7+ YOE7+ years full‑stack SaaS development experience, bachelor’s degree (or equivalent), cloud (Azure) and CI/CD/DevOps experience, backend (.NET) and frontend (React/Angular) proficiency, strong SQL and API/integration skills.
.NET, React, Angular, SQL, GraphQL, FHIR, HL7, Azure, App Services, Functions, AKS, CI/CD
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Senior Full Stack Developer
Charlotte or Boca Raton or Newark or Santa Monica
$130k-$150k/yr HybridFull Time
Perr&Knight
Perr&Knight: Provides actuarial consulting and software solutions for the insurance industry.
6+ YOE6+ years full-stack experience with C#/.NET Core, Angular/TypeScript, JavaScript/CSS, RESTful APIs, MS SQL Server, public-facing SaaS experience, and hands-on use of AI coding tools.
Angular, TypeScript, C#/.NET Core, JavaScript, CSS, MS SQL Server, Claude Code, Codex, RESTful APIs
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Full Stack Developer (Golang)
Culver City, California, United States
HybridFull Time
Fincons Group
Fincons Group: Provides global IT consulting and system integration services.
5+ YOE5+ years full stack experience, strong Golang skills, Ad Tech experience required; backend services, APIs, microservices, distributed systems, React/TypeScript frontend, SQL/NoSQL, cloud (AWS/GCP/Azure), Docker/Kubernetes, Git, CI/CD, Agile.
Golang, React, TypeScript, JavaScript, HTML, CSS, SQL, NoSQL, AWS, GCP, Azure, Docker, Kubernetes, Git, CI/CD, Kafka
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all

Explore Jobs

Expand Your Job Search