Top Full-Stack Engineer Jobs in Los Angeles, CA

As a Full-Stack Engineer at Clerkie, you will develop and maintain a B2B CRM, optimizing performance across the tech stack and collaborating with various teams to ensure a seamless user experience.

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.

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.

Build and iterate full-stack applications and services for an automated rocket factory platform. Develop tools for planning, scheduling, data analysis, and operations; collaborate with stakeholders, follow agile practices, ship CI/CD software, and mentor engineers.

Design and implement full-stack web and mobile applications, build UI components, optimize JavaScript performance and rendering, contribute shared libraries and systems, instrument and analyze operational and engagement metrics, and follow high-quality design, testing, and implementation practices.

Build and maintain Apex's business systems platform in Palantir Foundry: configure systems, manage security and updates, integrate data sources, support daily operations, document processes, plan projects, and recommend remediations to meet business needs.

As a Founding Full-Stack Engineer, you'll build AI-native systems, integrating LLMs, prototyping quickly, and collaborating to influence engineering standards and culture.

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.

The Full Stack Developer will perform software application development, focusing on enterprise-wide data inventory, collaborate across teams, develop integrated solutions, and ensure application security as part of AGILE methodologies.

As a Fullstack Engineer, you will build and deliver features, design data models, collaborate with teams, and enhance CI/CD processes to improve logistics decisions for national security missions.

Design, build, deploy, and optimize scalable full-stack applications integrating databases, APIs, and AI/LLM workflows. Lead architecture, CI/CD (ArgoCD, GitLab), Airflow pipelines, and collaborate cross-functionally to deliver production-grade fintech solutions.

The Full-Stack Engineer will develop scalable applications, work with AI features, and interface with clients for onboarding and integrations.

The Full Stack Engineer will design and build user interfaces, manage complex workloads, lead greenfield projects, and mentor junior engineers.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

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

Lead full‑stack modernization of DHS ICE systems: analyze legacy workflows, design and implement backend services, APIs, and front‑end components, integrate with modern platforms (Palantir), support full SDLC, troubleshoot across layers, collaborate with stakeholders, and uphold engineering best practices.

Design, build, and maintain Shopify POS applications and custom UI extensions. Integrate POS frontends with server-side logic and third-party services, test on POS hardware, troubleshoot live retail issues, and maintain observability, security, and CI/CD practices while collaborating with product and client teams.

Build, test, and maintain scalable web applications using Node.js and TypeScript. Design and optimize PostgreSQL databases and SQL queries. Integrate third-party APIs (REST, GraphQL, webhooks). Implement frontend components with React or similar, use Git for version control, troubleshoot issues, and collaborate with cross-functional teams. Support CI/CD and containerization (Docker) and deploy to cloud platforms (AWS, Fly.io).

As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.

As a Lead Full Stack Engineer, you will provide architectural leadership, design scalable solutions, mentor engineers, and collaborate across teams.

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

The Full-Stack Developer will design, develop, and maintain applications, focusing on backend APIs and user interfaces, while optimizing for performance and reliability.