Top Software Engineer Jobs in Los Angeles, CA

Design, implement, and maintain APIs, backend services, and front-end interfaces for mission planning and satellite/ground systems. Lead feature development across the full lifecycle in an Agile DevSecOps environment, emphasizing automation, testing, security, performance, and code quality. Support integration, CI/CD pipelines, and geospatial visualization for defense communications systems.

Design, implement, test, and maintain real-time satellite payload models and integrate them into system-level simulators. Perform full software lifecycle activities, develop verification plans and test environments, create automation tools, collaborate with cross-functional teams (systems, hardware, flight software), and deliver high-impact solutions in an agile CI/CD environment.

Design, implement, test, and maintain real-time/near-real-time software simulation models and system-level simulators for satellite mission rehearsal and operator training. Translate customer requirements, integrate and debug simulation scenarios, collaborate with multidisciplinary teams, and create automation tools for configuration and deployments in an agile CI/CD environment.

As a Staff Software Engineer, you'll design and operate scalable backend services, collaborate across teams, and ensure high system availability.

As an iOS Engineer on the Buyer Growth team, you will lead growth initiatives, develop features for our iOS app, and collaborate with various teams to improve user acquisition and retention.

This opportunity invites Class of 2028 graduates to join a community interested in future Software Engineering roles at Whatnot, offering updates on events and job applications.

Lead a product-facing engineering team focused on acquisition and conversion. Set priorities and metrics, partner with cross-functional teams, drive experimentation and funnel optimization, hire and coach engineers, ensure secure, reliable, and scalable systems, and balance speed with long-term technical health and team sustainability.

As a Simulation and Modeling Engineer II, you'll develop flight algorithms and simulations for the Terran R rocket, integrating analysis and hardware models, improving development environments, and contributing to cross-functional software packages.

Moonshot Engineers at Relativity Space will prototype and realize world-changing ideas, manage projects, and work across various disciplines in a high-autonomy innovation lab.

Build and ship consumer-facing web applications and features using React, Next.js, and TypeScript. Integrate front-ends with back-end APIs, extend a custom AI development harness, collaborate with product and design, and participate in the full development lifecycle on high-traffic sites.

Design and build scalable, performant frontend systems and mobile apps using React, TypeScript, and React Native. Integrate with GraphQL and real-time streams, lead code reviews, mentor engineers, collaborate with product and design, and optimize performance for mobile and variable network conditions in healthcare contexts.

As a Software Integration Engineer, you'll develop and integrate complex software systems for space operations, drive technical excellence, and mentor engineers.

Design, build, and maintain scalable backend services in Java/Scala integrating hardware and ML. Implement gRPC APIs, use Redis/MySQL/PostgreSQL, deploy microservices on Kubernetes, and build event-driven pipelines with Kafka. Collaborate with hardware, ML, and operations teams to optimize performance, reliability, and scalability.

Develop and customize insurance applications on the Guidewire platform (PolicyCenter, BillingCenter, ClaimCenter). Design, code, test solutions using OOP and Guidewire technologies, manage system configurations, mentor junior staff, build client relationships, and apply firm methodologies to deliver high-quality insurance technology solutions.