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.

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.

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.

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.

Design and build the Command & Control frontend and full-stack features for large heterogeneous UAV swarms. Develop distributed, real-time infrastructure tolerant of intermittent communications, implement UI concepts for telemetry, sensors, scheduling and data links, own features end-to-end, and maintain strong CI/CD, QA, and DevSecOps practices.

Support and debug .NET applications (2–4 years experience). Analyze application logs and perform troubleshooting in a clean room/customer R&D lab. Candidate will attend a client interview as part of external hiring.

The Fullstack Engineer will develop and enhance a VA patient portal using Ruby and React, focusing on user experience, performance, and security, while collaborating with a cross-functional team in a remote setting.

Build and operate real-time transaction decisioning and partner integrations. Design fast, reliable systems that adjust spending based on cash flow, debug distributed payment systems, and turn bespoke integrations into reusable patterns. Contribute to architecture, technical leadership, and product ownership as the team scales.

The Full Stack Engineer will develop and maintain scalable web applications, design system architecture, optimize performance, and collaborate with teams for code reviews in a hybrid work environment.

The Junior Full Stack Engineer will develop frontend and backend features, collaborate with teams, build APIs, and learn modern engineering practices in a fast-paced startup environment.

The Full Stack Engineer will design, develop, and deploy applications, build RESTful APIs, optimize for performance, and mentor junior engineers while working in Agile teams.