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.

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 ship customer-facing products across backend services, APIs, data models, React web interfaces, and Android point-of-sale applications. Learn unfamiliar platforms quickly, collaborate with product and design, deliver resilient code, and own testing, instrumentation, on-call support, and cleanup. The role emphasizes 0-to-1 product development, customer-focused decision-making, rapid experimentation, and using AI tools to improve development velocity and quality.

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.

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.

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.

Develop and deploy full-stack, cloud-native applications across AWS, Azure, and on-premises environments. Configure and optimize APIs and datasets, maintain infrastructure using Terraform and AWS CDK, troubleshoot application and infrastructure issues, and support technical users. Collaborate with clients and engineering teams to implement solutions, optimize performance, and manage operations. Travel may range from none to 100% depending on client needs.

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.

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.

Leads technical direction and develops fullstack purchase experiences using Ruby on Rails and Vue.js. Designs resilient transactional flows, integrates billing and CRM systems, improves reliability and rollout safety, mentors engineers, reviews code, reduces technical debt, and participates in incident response. Partners with Product, Design, Billing, and Support to improve GitLab’s purchase, subscription, discount, and upgrade workflows.

Leads the design, development, testing, and maintenance of full-stack applications using Java, Spring, React, databases, and APIs. Owns medium- to large-scale features through production, contributes to architecture, reviews code and designs, and improves observability, performance, reliability, and resiliency. Participates in incident response and root-cause analysis while mentoring engineers and collaborating across Product, Design, QA, and engineering teams.

Lead the architecture, development, and operation of enterprise-grade full-stack software for clinician-facing and performance-management experiences. Design distributed systems, drive technical initiatives, improve scalability and maintainability, adopt modern technologies, deliver iterative releases, and collaborate across organizations. Mentor engineers and establish strong engineering practices. The role requires polyglot programming, cloud platforms, modern front-end development, SQL, distributed systems, and production operations experience.

Build end-to-end software products that transform ultraspectral sensing data, geospatial information, and AI outputs into customer-facing intelligence applications. Develop React interfaces, Python backend services, APIs, data integrations, and geospatial workflows. Deploy and operate reliable AWS services while maintaining testing, observability, performance, documentation, and production support. Collaborate with product, design, AI, infrastructure, and users to deliver capabilities from concept through deployment.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.