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.

Drive feature development and architectural decisions across frontend and backend systems, mentor junior engineers, identify tech debt, and collaborate across departments.

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

The Full-Stack Engineer will develop web applications using Next.js, TypeScript, and Supabase, focusing on security, performance, and user experience. Responsibilities include building responsive UIs, designing APIs, and implementing real-time functionality while ensuring best coding practices and HIPAA compliance.

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.

Seeking a full stack engineer to develop applications, requiring skills in Node.js, SQL, and modern JavaScript frameworks with a focus on scalability and performance.

The Full Stack Engineer will develop and maintain the software for Sans, focusing on e-commerce functionality, AI features, and internal tools while collaborating closely with various teams.

Lead the development of COVU’s AI-native platform, balancing hands-on engineering with technical leadership and mentoring for complex projects.

Lead design, build, and deploy of a Business Partners Portal (3-month timeline) enabling distributors to submit POs, track status, receive notifications, manage documents, and route workflows. Implement secure authentication, role-based access, cloud-hosted environments, disaster recovery, and support UAT, Go-Live, hypercare, documentation, and knowledge transfer while collaborating with IT and business stakeholders.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.

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.

The Full-Stack Software Engineer will enhance user interfaces, APIs, and develop features for AI applications while collaborating with teams and ensuring code quality.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

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

Build and scale an agentic AI stack for healthcare revenue cycle: implement voice AI pipelines, LLM orchestration, integrations with EHRs/RCM systems, real-time analytics, dashboards, and production-grade full stack features working closely with founders and customers.

The Senior Fullstack Engineer will build and manage enterprise authentication systems, improve user session management, ensure security compliance, and support internal API usage across services, while enhancing performance and reliability.

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.

Staff full‑stack engineer to own cross‑stack architecture and deliver high‑impact features quickly. Work on a React/React Native app and Node.js/TypeScript and Go backends, set technical direction, mentor a small squad, contribute to the open AT Protocol ecosystem, and integrate agentic AI tooling to boost team productivity.

The Full-Stack Developer will optimize web applications using Next.js and React, handle server-side logic with Vercel, and manage Postgres SQL databases in a remote, agile environment.

The Fullstack Developer will create and maintain scalable web applications using React and Node.js, design APIs, and optimize PostgreSQL databases while collaborating with teams and ensuring code quality.

The Full Stack Engineer will design, implement, and improve shared platform capabilities, collaborating to ensure high-quality, reliable software solutions while experimenting with modern technologies.

Lead development of an AI-enabled Ethereum Layer 2 platform: build front-end and back-end systems, deploy and optimize AI models, create data pipelines, collaborate on model training, and contribute to product innovation and other company projects.

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.