Top Software Engineer Jobs in Los Angeles, CA

Develops, tests, maintains, and debugs mission software for Boeing’s satellite space mission systems using Java, C++, Python, and ReactJS. Participates in the full software development lifecycle, Agile/Scrum activities, code reviews, systems integration, customer meetings, software research, and process improvement. The role is fully onsite in El Segundo, California, requires U.S. citizenship and eligibility for an interim and final Secret clearance, and includes less than 10% travel.

Develops and maintains full-stack client-side, server-side, and desktop software for mission-critical satellite systems. Designs APIs and web services, integrates capabilities across engineering teams, and optimizes applications for scalability, performance, and reliability. Responsibilities include troubleshooting, upgrades, testing, code reviews, documentation, and continuous improvement. The role requires Java experience, software lifecycle leadership, CI/CD expertise, a bachelor's degree, an active U.S. Secret clearance, and onsite work in El Segundo, California.

Designs, develops, tests, integrates, debugs, and maintains non-embedded software for classified defense programs. Translates customer requirements into software architectures, interfaces, algorithms, and designs; supports system integration and lifecycle processes. The role also handles technical issues, improves development processes and metrics, conducts software research, and ensures compliance with quality, safety, regulatory, and customer standards. Work involves Java, ReactJS, DevOps tools, Agile methodologies, and classified-program environments.

Lead a six-person backend engineering team while remaining approximately 60% hands-on. Own backend architecture, Python and Node.js services, AWS infrastructure, CI/CD, reliability, observability, security, compliance, incident response, and delivery. Coach and hire engineers, establish engineering standards, manage concurrent workstreams, and partner cross-functionally to build scalable healthcare scheduling and workforce-management systems.

Build and optimize augmented reality software for Spectacles and Snap OS. Responsibilities include developing real-time 3D interaction algorithms, core features for custom 3D engines, spatial and multimodal experiences, native OS integrations, and inter-application communication for shared-space AR. The role requires strong C++ programming, 3D mathematics, performance-critical development, and experience with real-time 3D engines or frameworks.

Design, implement, operate, and scale critical backend services, including identity, social graph, and persistence systems. Collaborate across teams to deliver product solutions, ensure availability and operational excellence, test and debug code, and participate in incident resolution. The role requires technical leadership, distributed-systems expertise, and effective use of AI development tools while maintaining security, performance, and production-quality standards.

Leads the architecture, development, testing, deployment, monitoring, and optimization of Workday integrations, APIs, automations, and custom applications. Partners with People, Engineering, IT, Analytics, and Product stakeholders to translate business needs into scalable solutions. Provides Workday API and data architecture expertise, troubleshoots complex issues, manages technical delivery, improves reliability, and evaluates emerging technologies including AI-assisted development and agentic workflows.

Build and own a React and three.js real-time 3D rendering layer for browser-based mission software. Render spacecraft, orbits, sensor volumes, live telemetry, and mission data at trusted frame rates. Translate design concepts into polished front-end components and interactions, manage 3D scenes, shaders, lighting, cameras, and level of detail, and prototype visual experiences. Collaborate with data and platform engineers while owning work from prototype through production, including performance and visual quality.

Own the frontend platform for Relativity Space’s operator UI, including the application shell, design system, shared data layer, and unified platform architecture. Lead consolidation of multiple front ends, support high-rate live telemetry rendering, establish frontend technical direction and quality standards, and mentor engineers. Build performant, data-intensive applications using TypeScript and React, with state management and streaming data architectures.

Develop, document, test, and support Parsec’s TrakSYS manufacturing execution software platform. Responsibilities include designing features, writing maintainable code, preparing technical specifications, conducting code reviews, troubleshooting application issues, and collaborating across teams. The role requires Microsoft .NET, SQL Server, web development, Windows, SDLC tools, and cloud experience, with preferred knowledge of TypeScript, Bootstrap, unit testing, and manufacturing automation.

Develop and customize Guidewire applications supporting insurance policy, billing, and claims functions. Responsibilities include coding, configuration, integrations, testing, troubleshooting, requirements analysis, modernization support, client communication, workstream management, and mentoring junior developers. The role focuses on delivering software solutions across BillingCenter, ClaimCenter, and PolicyCenter while addressing complex technical and business challenges for insurance clients.

Architect and maintain vendor-agnostic automation for multi-vendor EVPN-VXLAN data center and campus networks. Build Network-as-Code data models, SSoT integrations, CI/CD validation workflows, and resilient Python or Go tooling across Arista and Juniper platforms. Integrate AI-assisted engineering workflows, govern automation standards, establish safeguards for generated code, and mentor junior developers. The role also supports telemetry, containerization, and critical mission milestones.

Own the architecture and technical direction of Metropolis Recognition Platform, including edge-to-cloud pipelines, identity resolution, real-time decisioning, privacy and consent models, observability, and progressive delivery. Lead cross-functional alignment across engineering, computer vision, data, security, platform teams, and partners. Establish RFCs, SLOs, testing standards, operational practices, and architectural best practices while mentoring engineers and managing high-scale distributed systems.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.