Top Full-Stack Engineer Jobs in Los Angeles, CA

Build full-stack applications supporting rocket design and manufacturing operations. Develop responsive front ends, scalable back ends, data pipelines, telemetry analysis tools, production planning systems, and real-time dashboards. Participate in the full software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and iterative improvement. Collaborate with design, manufacturing, supply chain, test, and factory-floor teams while following agile, continuous integration, and continuous deployment practices.

Build full-stack applications supporting rocket design and manufacturing operations. Responsibilities include developing responsive front ends, scalable back ends, data pipelines, telemetry analysis tools, production planning and supply chain applications, and real-time manufacturing dashboards. The role covers the full software development lifecycle, including requirements gathering, design, implementation, testing, deployment, continuous integration, and iterative improvement with engineers and factory operators.

Build backend-focused Java/Kotlin APIs and data-driven product features, while contributing to React dashboards and workflows. Design scalable systems, participate in architecture and code reviews, troubleshoot production issues using observability tools, and collaborate with data, reporting, design, and product teams to launch emerging products.

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.

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Build and improve full-stack software for engineers operating mission-critical hardware. Responsibilities include developing React and TypeScript/JavaScript interfaces, contributing to backend services and APIs, creating reliable data flows, debugging across systems, writing tested code, and collaborating on greenfield products. The intern will work closely with software engineers and operators while gaining experience across frontend, backend, databases, and hardware-connected systems.

Build and maintain scalable e-commerce and marketplace features across Node.js, React, MySQL, and MongoDB. Own complex features end to end, design backend services and APIs, integrate PunchOut procurement systems, improve platform security and reliability, conduct code reviews, and mentor engineers. The role requires strong full-stack JavaScript and TypeScript expertise, e-commerce domain experience, and the ability to work autonomously on high-volume transactional software.

Build and own CRM features and workflow automations supporting sales, marketing, onboarding, and support. Develop full-stack functionality using Next.js, FastAPI, Inngest, and related technologies; partner with teams to automate workflows; create agentic solutions for enrichment and task automation; and manage features from planning through monitoring and refinement. The role requires strong web development expertise, product sense, autonomy, communication, and experience with modern JavaScript or TypeScript frameworks and orchestration tools.

Design, develop, integrate, test, deploy, and support full-stack enterprise applications using Java, React, microservices, APIs, messaging systems, and cloud infrastructure. Build secure, high-performing solutions and automated CI/CD, unit, integration, and performance-testing pipelines. Integrate third-party and on-premises applications, provide technical guidance, troubleshoot cloud and on-premises systems, and collaborate with technology, product, and business teams.

Develop and deploy full-stack applications supporting purchasing, manufacturing planning, scheduling, test-data analysis, and factory operations. Lead the software development lifecycle, collaborate with non-software stakeholders to define requirements, apply agile and continuous delivery practices, solve complex problems, and mentor engineers. The role involves building scalable platforms across front-end, services, analytics, industrial automation, and AI capabilities.

Build and maintain a production-grade full-stack data self-service platform using React, TypeScript, Python, APIs, Kafka, and Snowflake. Develop frontend and backend services, data models, caching, observability, testing, CI/CD, monitoring, and infrastructure automation. Support data quality monitoring, alerts, semantic-layer generation, and AI-powered analytics capabilities. Own architecture through deployment, apply scalable engineering practices, integrate cloud and data technologies, and mentor developers.

Design, develop, deploy, and operate custom web applications across AWS, Azure, and on-premises infrastructure. Build and maintain cloud infrastructure using Terraform and AWS CDK, and help technical users configure and optimize APIs and datasets. Provide technical support and guidance, troubleshoot Linux environments, resolve issues, optimize performance, and maintain reliable custom software solutions.

Own end-to-end full-stack feature development across React/TypeScript interfaces and Elixir backend services for spacecraft modeling, simulation, and ground-control software. Drive architecture, technical debt reduction, performance, reliability, testing, API design, and production deployment. Mentor engineers, establish coding standards, collaborate with product, design, QA, operators, and astrodynamics teams, and deliver complex data-dense, real-time applications.

Contribute to full-stack features for spacecraft mission control and distributed ground control systems. Build React/TypeScript frontends and Elixir backend services, write maintainable and testable code, collaborate with operators, designers, and engineering specialists, and participate in design and code reviews. The role involves smaller, well-defined tasks under senior guidance during a three-month temporary engagement with potential conversion.

Develop reliable full-stack software and automation for SpaceX’s advanced machine shop. Responsibilities include designing, testing, deploying, and rapidly creating web applications that improve manufacturing cycle times, integrating CNC machine control and deployment, solving user problems, and contributing to architecture, design, and code reviews. The role may also involve AI-driven CNC programming and production software used across SpaceX teams.

Develop reliable full-stack software for SpaceX’s advanced machine shop and manufacturing operations. Responsibilities include designing, testing, deploying, and rapidly creating web applications, AI solutions, CNC automation, and machine-control software. The engineer will improve production cycle times, solve user problems, and contribute to architecture, design, and code reviews. Experience with manufacturing is not required.

Build and improve operator and customer software using TypeScript, React, and Rust. Develop Electron application features, collaborate with product and vehicle engineers, and own features from requirements through testing, documentation, and post-release support. Contribute to full-stack product development involving data models, APIs, performance, and reliability. This junior role emphasizes learning quickly, communication, independent problem-solving, and practical software development experience.

Lead full-stack engineering for a real-time maritime autonomy data platform: build scalable, secure pipelines and cloud/edge systems, collaborate with hardware and AI teams, mentor engineers, drive technical decisions, and deliver user-facing interfaces.

Develop highly reliable full-stack software and applications used across SpaceX. Responsibilities include designing systems, building prototypes, improving operational efficiency, solving user problems, and participating in architecture, design, and code reviews. The role owns software engineering and product development, including testing, deployment, monitoring, performance optimization, and platform systems supporting manufacturing, launch operations, and Starlink.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Develops reliable full-stack software and mission-critical applications supporting SpaceX launch, manufacturing, Starlink, and operational systems. Responsibilities include designing architectures, building prototypes, improving user workflows, owning software and product development, participating in code reviews, and optimizing application performance, testing, deployment, and monitoring. The role is fully onsite and may require extended hours or weekends based on launch schedules.

Design, build, and scale backend systems, APIs, and frontend applications. Collaborate with product, design, and AI teams to ship full features, write well-tested code, mentor junior engineers, and contribute to architecture and technical strategy.

Design, build, and deploy secure, high-performance, scalable cloud-native applications supporting Ariba P2P. Work full-stack in Java using Spring Boot and the SAP BTP Cloud Foundry CAP (Java) model, applying resiliency, security, and performance best practices.

Work on real-world web applications across frontend and backend. Use modern frontend frameworks (React/Angular/Vue) and backend tech (Node.js, Python, Java, PHP). Integrate RESTful APIs with databases (MongoDB, PostgreSQL, MySQL), debug, test, optimize performance, and collaborate with designers and product teams while gaining hands-on mentorship.

Lead end-to-end design, development, and delivery of full‑stack features; drive architecture and code reviews; coordinate engineering work, write design docs and tests, and participate in Agile ceremonies. Must have blockchain/crypto experience.