Top Full-Stack Engineer Jobs in Los Angeles, CA

Develop highly reliable full-stack software and applications used across SpaceX. Responsibilities include designing systems, building prototypes, solving user problems, contributing to architecture and code reviews, and owning software engineering and product development. The role involves improving application performance, testing, deployment, monitoring, in-stream data processing, containerized production systems, front-end applications, and database technologies.

Develop reliable full-stack software and mission-critical applications used across SpaceX. Responsibilities include creating new applications, prototyping architectures, owning software and product development, solving user problems, and participating in architecture, design, and code reviews. The role involves building scalable systems for aerospace manufacturing, launch operations, and Starlink, with emphasis on testing, deployment, monitoring, performance, and collaboration.

Build and own end-to-end full-stack features across backend services and user-facing applications. Contribute to system design, reliability, performance, observability, and engineering practices while collaborating with product and design.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Leads architecture and delivery of complex full stack applications and services. Develops secure, scalable, testable code; builds integrations and data models; supports cloud-native deployment, containers, infrastructure as code, and CI/CD. Makes technical decisions across performance, reliability, security, and maintainability, while serving as a technical leader and using AI-assisted development tools. Collaborates with product, design, QA, security, and platform teams in regulated healthcare environments.

Develop highly reliable full-stack software and mission-critical applications supporting SpaceX operations, flight software, manufacturing, and Starlink systems. Responsibilities include designing applications, prototyping, owning software and product development, solving user problems, and contributing to architecture, design, and code reviews. The role requires onsite work and may involve extended hours or weekends based on launch schedules.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Build and ship full-stack features for customer-facing Console and Playground, plus internal tools. Design and maintain APIs and backend services, implement accessible performant frontends, translate product requirements into incremental work, and improve code quality through reviews and design discussions.

Build and operate backend services, APIs, and frontend experiences for the Power Packs product. Work across the full SDLC on backend systems, frontend React/NextJS apps, integrations, observability, and documentation while collaborating with Product and Engineering to deliver scalable, production-quality features.

Develop highly reliable full-stack software and applications used across SpaceX. Responsibilities include prototyping, software architecture, product development, user-focused problem solving, code reviews, performance optimization, testing, deployment, monitoring, and collaboration with engineering teams. The role supports manufacturing, launch, Starlink, and other mission-critical systems, with possible extended hours and weekend work during launch periods.

Design, develop, and enhance Oracle Fusion Financials solutions (GL, AP, Cash), build integrations (REST/SOAP, FBDI, OIC), troubleshoot production issues, support financial close processes, migrate or cross-train to Workday, document solutions, and mentor junior staff.

Lead design and delivery of scalable, secure full‑stack features and services. Build maintainable front-end and backend code, implement integrations and data models, enable cloud-native CI/CD workflows, use containers and IaC, and act as a technical leader influencing architecture and delivery across teams while leveraging AI-assisted tools.

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.

Develop and deliver production-ready web experiences for marketing using React, Gatsby, and Tailwind. Build API integrations, maintain a lightweight codebase and design-system components, ensure accessibility, performance, SEO, and multi-region support, participate in code reviews, and help shape tooling and best practices across the team.

Develop highly reliable full-stack software and applications supporting SpaceX operations, manufacturing, launch vehicles, and Starlink. Responsibilities include designing systems, building prototypes, improving user workflows, owning software product development, and contributing to architecture, design, and code reviews. The role involves performance optimization, testing, continuous integration and delivery, deployment, monitoring, databases, front-end frameworks, streaming systems, and containerized production environments. This is an onsite position that may require extended hours or weekend work based on launch schedules.

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

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, test, maintain, and document scalable software features for Disney’s news and entertainment platforms. The role contributes to architecture, code reviews, debugging, technical planning, and distributed systems development. It collaborates across technical teams, supports Agile practices, helps onboard teammates, translates requirements into technical tasks, and serves as an escalation point for technical issues. Core work includes Java and full-stack development, cloud infrastructure, event-driven messaging, databases, monitoring, and automated deployment.

Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

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.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Design, implement, and optimize full-stack solutions. Collaborate with cross-functional teams, participate in code reviews, analyze and improve system performance, and stay current with industry technologies.

Join as an early founding full-stack engineer to architect, build, and deploy a scalable platform serving AI-driven voice applications. You will own frontend and backend development, design infrastructure with the CTO, and deliver reliable production systems for enterprise customers.

Work across frontend and backend to design, build, and ship annotation and review features; implement ingestion, storage, user management, and annotation pipelines; integrate model inference into workflows; optimize performance for large images/videos; design APIs and collaborate with product, operations, and annotators.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.