Top Senior Level Software Engineer Jobs in Los Angeles, CA

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.

Embed with customers to integrate and deploy Revel's platform: write production code, connect to hardware (sensors, actuators, test stands), build dashboards, troubleshoot in-field, translate feedback to product, and partner with internal teams. Requires frequent travel (30–50%) and deep technical customer relationships.

Leads architecture, development, and optimization of integration and data platforms. Responsibilities include API and service design, database optimization, observability, testing, cloud infrastructure, event-driven systems, technical strategy, engineering initiatives, mentoring, and cross-team technical leadership.

Own and architect the frontend platform for a unified, safety-critical operator interface. Lead application shell, design system, shared data layer, frontend consolidation, performance optimization, real-time telemetry rendering, cross-team technical direction, and mentorship. Build data-intensive applications using advanced state management and streaming technologies.

Own the architecture, scalability, reliability, and delivery of complex software systems. Lead cross-functional technical initiatives, design AI-friendly APIs and agentic workflows, improve performance and cost efficiency, partner with product managers, mentor engineers, influence hiring, and drive engineering quality and technical direction with substantial autonomy.

Design, develop, and support AR engine and Lens Studio features for Snapchat and Specs. Build agentic development workflows and tooling, contribute to architecture and technical roadmaps, participate in reviews, and collaborate cross-functionally. Improve code quality, reliability, performance, security, maintainability, and developer productivity while integrating AI-assisted and agentic capabilities into software systems.

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 and own a browser-based React and three.js rendering layer for 3D mission data, including spacecraft, orbits, sensor volumes, telemetry, and common operating picture controls. Develop polished front-end interactions, optimize real-time rendering performance, manage 3D scenes, shaders, lighting, cameras, and level of detail, and rapidly prototype visual concepts. Collaborate with data and platform engineers while contributing to data visualization and standard front-end development.

Leads enterprise software architecture across Red 6’s AR defense products and future platforms. Defines architecture roadmaps, governance, engineering standards, modernization initiatives, and secure cloud, edge, embedded, real-time, AI/ML, simulation, and mission software architectures. Partners with engineering, product, systems, program, and executive teams; guides integrated hardware/software systems, aircraft and avionics integration, digital engineering, risk mitigation, customer engagements, staffing, and mentorship. Ensures scalable, secure, reliable, maintainable, and mission-ready software ecosystems.

Lead and manage software engineering teams: run agile processes, design and ship secure scalable APIs and services, guide architecture, manage technical debt, recruit and mentor engineers, and align work with company objectives.