Top Senior Level Software Engineer Jobs in Los Angeles, CA

As a Senior Software Engineer, you will design and implement EHR integrations, develop API integrations, mentor junior engineers, and build scalable systems for healthcare interoperability.

Lead implementation and governance of software processes for satellite systems across the full software lifecycle. Integrate Boeing software design practices into artifacts, support compliance reviews and audits, design and collect software metrics, advise leadership on process adherence, provide training, and ensure alignment with industry and Boeing standards for embedded, simulation, cybersecurity, and ground-control software.

Lead contact center transformation engagements by designing and implementing user-centric front-end solutions, conducting user research and usability testing, prototyping in Figma, ensuring digital accessibility, optimizing workflows, and mentoring junior team members while collaborating with cross-functional teams to deliver omnichannel contact center solutions.

The Senior Software Engineer will design and maintain backend services for recognition AI solutions, lead a small team, and drive technical improvements.

The Senior Software Engineer will design and develop flight and ground software, collaborate with cross-functional teams, and manage the complete software lifecycle.

The Tech Lead manages a team of frontend and backend engineers to build web applications and libraries, focusing on project planning and execution, code review, team mentoring, and agile processes.

Design and build microservice-based APIs for reporting and analytics. Manage projects and collaborate with teams to enhance API developer experience, ensuring code quality and production reliability.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

Lead architecture and implementation of a scalable data lakehouse and streaming platform. Define technical strategy, build resilient systems, optimize performance, mentor engineers, and partner across teams to enable analytics and ML use cases using modern data platform technologies.

Architect and build a high-performance, low-latency trading web platform. Integrate real-time market data and execution workflows, collaborate cross-functionally on large initiatives, and deliver scalable, performant, user-focused frontend applications with strong attention to API design, tooling, and developer experience.

Design and build a high-performance, AI-native web trading experience for sophisticated retail traders. Ship core trading workflows (order entry, positions, blotter, watchlists, alerts), implement trustworthy AI UI patterns, collaborate with backend engineers on low-latency contracts, and iterate quickly with users and stakeholders to deliver end-to-end product features.

Build a high-performance, low-latency Rust backend and core AI platform for an AI-native trading experience. Implement streaming responses, tool orchestration, caching, secure APIs (auth, rate limits, auditing, tracing), and safe trading action infrastructure (previews, confirmations, idempotency, audit logs). Partner with product and frontend to enable AI-native UX and translate business domain requirements into secure, resilient platform primitives.

The Senior Software Engineer will lead the development of payment systems, oversee key subsystems, mentor engineers, and ensure high-quality code and architectural standards while collaborating with cross-functional teams.