Top Full-Stack Engineer Jobs in Los Angeles, CA

Lead design, build, and deploy full-stack software for DoD/IC missions. Rapidly prototype MVPs, integrate systems and APIs, deliver high-performance frontends, collaborate with users, and deploy/test in secure operational environments.

Design, implement, and optimize full-stack web and mobile web applications. Build UI components, ensure performance and test coverage, work on shared libraries and scalable services, log and analyze metrics, and leverage AI tools to accelerate high-quality engineering delivery.

Own and build backend software connecting robotics, ML inference, data platform, and digital twin. Develop APIs, user-facing apps, CRUD services, and visualization. Deploy and maintain software on edge and cloud, integrate with ROS, and collaborate with robotics, data, ML, and infrastructure teams to improve observability and developer tooling.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.

The Full Stack Engineer will develop scalable back-end systems, design RESTful APIs, manage databases, and ensure front-end integration, focusing on a creator-centric platform.

As a Junior Full Stack Engineer, you will contribute to feature development, implement UI components, support backend endpoints, and improve performance while learning from senior engineers.

The Senior Software Engineer will develop applications for planning and scheduling in a rocket factory, following agile practices and collaborating with users on system requirements and solutions.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Design, scope, and implement scalable full‑stack ecommerce solutions. Improve platform performance and usability, collaborate with Product and Design, run experiments, ship features, and ensure seamless integration across the product ecosystem.

The Senior Software Engineer will design, develop, and optimize scalable PHP APIs and web applications, collaborating with product and design teams to support product development and implement best coding practices.

Support full‑stack development: write high‑quality, well‑tested code, build and improve component library, propose prototypes, collaborate with QA and cross‑functional stakeholders.

Build and maintain scalable applications, APIs, and services for millions of users. Deliver customer-facing features from concept to production, collaborate with product and design, pair with teammates, follow engineering best practices, and work across backend services and React-based web applications.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Develop core services using Golang and PostgreSQL, resolve issues, write tests, and collaborate with cross-functional teams to enhance the pre-sales module for life insurance offerings.

Lead and deliver software solutions, oversee full-stack architecture, mentor engineers, and drive cross-functional initiatives for spacecraft modeling and control platforms.

Fullstack engineers will develop frontend applications and contribute to the backend, focusing on UI/UX and geospatial functionalities.

Lead design and build of an AI-native marketing platform: integrations, multi-agent orchestration, UIs, tooling, analytics, CI/CD, auth/multi-tenancy, and production AI agents to automate marketing workflows and drive adoption across teams.

The Fullstack Engineer will design, develop, and improve software for public safety agencies, adhering to quality, security, and architecture standards while collaborating with teams.

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.

Develop and maintain front-end and back-end components of AI-driven products, collaborating with teams to enhance user experience and build proof of concept products.

The Full Stack Engineer will develop features for the Guarded Releases team, facilitating collaboration across departments and ensuring robust observability in software delivery, while leading end-to-end feature development and driving improvements in user experience and product performance.

The Full Stack Engineer will design and build features for LaunchDarkly's Observability product, focusing on Infrastructure-as-Code and enterprise integrations, while participating in architecture discussions and maintaining high engineering standards.

Build and maintain internal web tools supporting ML workflows. Develop backend services, frontend features, and deployments; participate in on-call rotations and code reviews; collaborate with partner teams to scale ML tooling and improve authentication and deployment processes.

Design, build, test, and maintain full-stack web applications using JavaScript/TypeScript (React or Angular, Node.js). Create RESTful APIs, implement responsive and accessible UIs, work with relational/NoSQL databases, contribute to CI/CD and GitHub workflows, and mentor junior engineers in an Agile environment.