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.

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.

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.

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.

Lead customer-facing architecture and development of scalable, cloud-native AWS applications. Drive design discussions, migrate monoliths to microservices, implement serverless and container solutions, advise on AWS best practices, and influence developer-focused product and platform strategy.

Lead technical engagements to architect and build scalable, cloud-native AWS applications using serverless, containers, and microservices. Migrate monoliths to microservices, advise on AWS best practices, influence infrastructure and product strategy, and work directly with customers and cross-functional teams.

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.

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.

As a Staff Backend Engineer, you'll develop new product experiences, lead technical capability investments, and mentor engineers in backend development.

Build and maintain end-to-end product features across frontend, backend, and databases. Design APIs, authentication, data models, integrations, and AI-assisted workflows. Ship production-ready SaaS components, debug across the stack, improve reliability and performance, and collaborate on product and architecture decisions in an early-stage startup.