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163 full stack software engineer jobs at 99 companies in Simi Valley, CA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Full Stack Software Engineer (Application Software)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/engineering/math or 2+ years software experience; 1+ year full stack development; strong Python/JavaScript/Java etc.
Python, C#.NET, Go, Scala, Java, JavaScript, Docker, Kubernetes, Terraform, Ansible, Puppet, Apache Kafka, RabbitMQ, ActiveMQ, Gradle, Bazel, Pants, Buck, Pip, npm, Unix, Linux
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3w
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Senior Full Stack Software Engineer
Torrance, California, United States
$122k-$225k/yr OnsiteFull Time
Divergent
Divergent: Develops digital manufacturing systems for complex vehicle structures.
8+ YOEBachelor's or equivalent, 8+ years software engineering with full-stack experience; expert TypeScript, Node.js, React; strong relational and NoSQL data modeling; system design, mentoring, and ability to access export-controlled US information.
Divergent Adaptive Production System (DAPS), TypeScript, Node.js, React, NoSQL, Kubernetes, Docker, CI/CD, ERP, PLM, MES
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2mo
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Full Stack Software Engineer
Los Angeles, California, United States
$200k-$300k/yr OnsiteFull Time
Schmidt Sciences
Schmidt Sciences: Nonprofit funding advanced scientific research and global technological breakthroughs.
4+ YOE4+ years in full-stack enterprise app development; strong Java, Spring Boot, React, TypeScript; PostgreSQL; Docker; CI/CD; Bachelor’s degree; able to work across distributed teams.
Java, Spring Boot, REST APIs, React, TypeScript, PostgreSQL, Docker, CI/CD
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1w
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Full Stack Software Engineer
Culver City, California, United States
$130k-$160k/yr HybridFull Time
Sans
Sans: Designing air and water purification hardware for healthier homes.
4+ YOE4+ years professional software engineering experience, strong React and TypeScript, Shopify/Hydrogen and Next.js experience, API/webhook integrations, daily use of AI dev tools; Bachelor's in CS preferred.
React, TypeScript, Shopify Storefront API, Shopify Admin API, Hydrogen, Next.js, Klaviyo, Attentive, Gorgias, Claude Code, Cursor, Copilot, React Native, Vercel, Shopify Oxygen, Docker
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3w
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Staff Software Engineer, Full Stack
Long Beach, California, United States
$181k-$249k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
10+ YOE10+ years software engineering experience; designing and owning backend infrastructure that integrates edge hardware, ML, data platforms, and visualization; strong collaboration and execution in cross-functional R&D settings.
Terran R, Terran 1, Stargate
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2mo
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Founding Engineer (Full-Stack)
Los Angeles or Santa Monica
HybridFull Time
UP.Labs
UP.Labs: Builds and scales mobility-focused startups with corporate partners.
6+ YOE6+ years software engineering; proven full-stack delivery; AI-driven development; comfortable in ambiguity
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2mo
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Sr. Full-Stack Engineer
Los Angeles, California, United States
RemoteFull Time
Cruva
Cruva: Operating system for commerce tooling.
Senior full-stack engineer with strong AWS, data systems, and web scraping experience
Next.js, AWS, ECS, ECR, Lambda, Postgres, ClickHouse, MongoDB
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2w
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Full-Stack Software Engineer
Torrance, California, United States
$100k-$175k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
6+ YOE6+ years experience; proficiency with React, React Native, Node.js, TypeScript; Python and Django/Flask; web and desktop apps (NW.js/Electron); SQL/NoSQL, Redis/Memcached; CI tooling and container orchestration (Docker, Kubernetes, Podman).
React, React Native, Node.js, TypeScript, NW.js, Electron, Python, Django, Flask, SQL, NoSQL, Redis, Memcached, ORMs, GitHub Actions, GitLab CI, Jenkins, Docker, Kubernetes, Podman, Bazel, InfluxDB, Graphana
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1mo
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Full Stack Software Engineer
Los Angeles or Houston
$100k-$140k/yr HybridFull Time
GMV
GMV: Engineering and technology solutions for space, defense, and cybersecurity.
5+ YOE5+ years C#/.NET, SQL, testing, caching, React; strong communication; ability to lead when needed.
C#, DOTNET, SQL, React, Docker, Redis, RabbitMQ, Kafka, CI/CD, Cursor, Copilot
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3mo
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Full Stack Engineer
Los Angeles, California, United States
$150k-$180k/yr OnsiteContract, Full Time
Secret Level
Secret Level: AI-native entertainment studio producing film, TV, and advertising content.
Senior level Full Stack developer with Python and React, AWS, CI/CD tooling, Postgres/GraphQL; contract-to-hire.
Python, JavaScript, React, Node.js, Next.js, Tailwind, Postgres, GraphQL, AWS, Docker, Terraform, GitHub Actions
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2mo
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Full Stack Software Engineer (Entry-Junior)
Los Angeles, California, United States
OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
2+ YOE2+ years professional software engineering experience, proficiency with JavaScript/TypeScript and React, basic backend/API/database knowledge, bachelor's degree in CS or equivalent experience, strong problem-solving and collaboration skills.
JavaScript, TypeScript, React
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FULL- STACK ENGINEER
Los Angeles, California, United States
$25-$35/hr HybridFull Time
Fuerte
Fuerte: Connects healthcare providers and representatives through a professional networking app.
Experience with TypeScript and full-stack development, production React Native/Expo, relational data modeling/SQL, tRPC/Drizzle familiarity, and owning releases and incident response.
TypeScript, Expo, React Native, TanStack Query, TanStack Start, tRPC, Drizzle, Postgres, EAS, Elastic Beanstalk, pnpm, Turborepo, Zustand, Supabase, Sentry, LogRocket, Pusher, Tailwind, shadcn, Express 5, AWS, Google APIs, React Email
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2w
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Senior Full Stack Engineer
Orlando or Los Angeles County
RemoteFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
Senior full‑stack engineering experience with Node.js and frontend (Angular/TypeScript). Experience with AWS serverless (Lambda), PostgreSQL, ETL/data workflows, CI/CD, and production support.
Node.js, Lambda, PostgreSQL, Angular, NgRx, RxJS, TypeScript, AWS, Terraform, Serverless Framework, Jenkins, Docker, GitHub Actions, Python 3.x, API Gateway, S3, RDS/Aurora PostgreSQL, Sequelize, Elasticsearch, OpenSearch, Git, AWS Secrets Manager, SSM, Cypress, EMR, Glue, Redshift, Spark, Puppet, Apache httpd
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3mo
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Mid/SR. Full-Stack Engineer
Santa Monica, California, United States
$175k-$200k/yr HybridFull Time
Athlete to Athlete: Matches youth athletes with college mentors for 1-on-1 virtual coaching.
Full-stack engineer with React/Next.js, Python/Django, Postgres; AI-native mindset; startup experience.
React, Next.js, Python, Django, Postgres, Vertex AI, LLM APIs
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2mo
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Full-Stack Software Engineer (Application Software)
El Segundo, California, United States
$108k-$154k/yr OnsiteFull Time
Rangeview
Rangeview: Operates an automated foundry producing precision metal aerospace parts.
2+ YOE2+ years building production web apps; frontend with TypeScript and React; backend with C#, ASP.NET, Entity Framework; relational DB design; ability to work onsite in El Segundo and meet U.S. Person requirements.
TypeScript, React, C#, ASP.NET, Entity Framework, Next.js, MUI, Hot Chocolate, GraphQL
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1mo
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Full Stack Engineer, Foundation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yr RemoteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
TypeScript, React, Go, Node, MCP servers, LLM, IDE, LaunchDarkly
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2mo
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Full Stack Software Engineer – UI/UX & Web Engineering (Azure)
New York or Washington or Denver or Seattle or Los Angeles or Chicago or Austin or Dallas
OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
12+ YOEBachelor's degree; 12+ years full-stack experience; strong React/Vue; REST APIs; Python/Node/.NET; Azure services; DevOps; Git; Agile.
React, Vue, Python, Node.js, .NET, REST APIs, Azure, Azure App Services, Azure Functions, Cosmos DB, Azure Storage, CI/CD, Git
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3mo
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Full Stack Engineer
Chatsworth, California, United States
$130k-$150k/yr HybridFull Time
Machina Labs
Machina Labs: Software-defined robotic platforms for flexible sheet metal manufacturing.
4+ YOE4+ years software engineering; BS in CS/SE or equivalent; strong TypeScript with Next.js; Python; WebSockets; Docker/Kubernetes; strong communication; fast-paced with hardware integration.
Next.js, TypeScript, Python, WebSocket, Docker, Kubernetes, CI/CD, GitHub Actions
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1mo
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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
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2mo
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Jr. Full Stack Engineer
Los Angeles, California, United States
$70k-$90k/yr HybridFull Time
Fuser
Fuser: Collaborative canvas for building multimodal AI creative workflows.
1+ YOE1–3 years in full-stack or front-end development; React + TypeScript; Node, tRPC familiarity; curiosity about distributed systems or creative/AI tools.
React, TypeScript, Node, tRPC, Web technologies
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