Full Stack Developer Jobs in California, United States

Software Development Team at CACI International builds and maintains complex full‑stack applications supporting critical government missions. The role designs, develops, and troubleshoots web solutions, collaborates with product managers and QA, and mentors junior developers within an Agile environment.

Full Stack Developer at Amynta Dealer Solutions builds scalable software across business applications. Responsible for end-to-end business unit apps, front-end UX, backend services, APIs.

CGS seeks an experienced Full Stack Web Developer to build enterprise-wide data inventory solutions. The role spans multiple teams, developing integrated web apps, APIs, and scripts using Angular, Node.js, TypeORM, and other modern technologies.

Full Stack Developer at CAI will design, develop, and maintain cutting‑edge software solutions for modern transit systems. The role is a full‑time, long‑term contract with a hybrid work model in the Washington, DC area.

E‑Space’s Full Stack Developer builds scalable applications and dashboards to support satellite testing and integration. The role focuses 70% on front‑end development with Vue/React and 30% on back‑end services in Django/Express, coordinating with FSW, AIT, and Mission Ops teams.

Easystreetcap seeks a Full Stack Developer in Irvine to build cutting‑edge web solutions for a nationwide real‑estate lender. The role focuses on delivering React/TypeScript front‑end features, developing MongoDB‑backed services, and integrating with RESTful APIs using Node.js/Express. Candidates will write automated tests, work with AWS Lambda, S3, SES, and CloudWatch, mentor junior engineers, and help maintain compliance with SOC 2, HIPAA, and GDPR.

Team is seeking a mid-level Full Stack Developer to build and maintain scalable, secure software solutions across the tech stack, including Next.js, TypeScript, Python, and Azure Cloud Services. The role involves developing APIs, designing database queries, integrating Salesforce, and collaborating with product and engineering managers in an Agile environment.

Factory OS team at Foundry Robotics builds AI-native robotics manufacturing software that runs factories, spanning cloud backends, on‑prem services, and edge devices. The Senior Full Stack Developer creates end‑to‑end features for web and edge applications, designs backend APIs, implements offline‑first capabilities, writes comprehensive tests, and collaborates with designers and product managers to deliver reliable operator tools.

Senior Full Stack Developer at LPL Financial seeks an experienced engineer to build Cloud Native applications with C#, .NET Core, Angular, JavaScript, MS SQL Server, PostgreSQL, and AWS services. The role involves designing complex technical solutions, developing end‑to‑end microservices, writing production‑grade code, troubleshooting performance issues, and participating in agile ceremonies.

LPL Financial seeks a Senior Developer – Full Stack to design, develop, and maintain end‑to‑end solutions across front‑end, back‑end, and database layers. The role involves building REST APIs, single‑page Angular applications, and cloud‑native services on AWS using Kubernetes.

PBK Architecture team builds and supports full‑stack applications, integrations, and digital tools that enable the firm’s Architecture vertical and broader AEC operations. The Full Stack Developer III designs, develops, and maintains secure, scalable solutions using React, TypeScript, Node.js/.NET, and Azure, while collaborating with architects, engineers, and IT/security stakeholders.

Charles River Associates is seeking a Full Stack Agentic Developer to build and evolve a web‑based AI platform that lets experts translate domain knowledge into scalable AI‑driven workflows. The role designs and implements React/Vite front‑end features, Node.js/TypeScript back‑end services, and integrates LLM provider APIs, real‑time streaming, and custom agent runtimes.

Fox Corporation seeks a Senior Full‑Stack Developer to architect and build scalable web applications and APIs on AWS, integrating AI/ML services such as SageMaker, Rekognition, and Polly. The role blends backend and frontend expertise, leading technical decisions, mentoring junior staff, and ensuring high performance, security, and reliability.

Business Intelligence team at Bloom Energy seeks a Full Stack Developer Intern to design, develop, and maintain web applications for service analytics. The role involves coding new features, fixing bugs, and collaborating on front‑end (React, HTML, CSS) and back‑end (Python, Node.js) components while working with PostgreSQL and AWS services.

BayRock Labs seeks a Senior Full Stack Developer to build and maintain React component libraries and enterprise applications. The role involves designing scalable solutions, writing clean code, and collaborating with cross‑functional teams to deliver high‑quality software.

Software Development team at BTI Solutions builds and maintains enterprise applications, focusing on the Cello system and vendor integrations. The role designs and develops full-stack solutions using Java Spring, Vue.js, and relational databases, provides first‑tier support, monitors logs, and performs test‑driven development.

Full Stack Web Developer at CIAT builds and maintains modern web applications powering student experience, marketing funnels, and internal operations. The role designs PHP/Laravel, WordPress, and Node.js solutions, collaborates with marketing and IT stakeholders, optimizes performance, and ensures secure, scalable code.

Senior Full Stack Developer needed for a 12+ month contract-to-hire role in Foster City, CA. Focus on backend (5+ years) with 1-2 years React/Redux/Angular. Strong JavaScript, Java, REST APIs, Agile environment.

Performance Capture Tracking team at Rockstar Games builds and maintains internal web applications that streamline production workflows for performance capture and related processes. The Senior Full Stack Developer designs, implements, and optimizes scalable C#/.NET back‑ends, React front‑ends, and SQL databases, collaborates across Animation, R&D, and Tech Art, and mentors engineers to ensure reliable, high‑performance systems.

Versatile Full-Stack Developer needed for Centralized Compute. Build backend services in Python and Go, create responsive UIs, manage MongoDB data models, and integrate telemetry with Prometheus.