Top Senior Level Software Engineer Jobs in Los Angeles, CA

Develop and evolve distributed spacecraft ground-control systems using Elixir and OTP. Own features from design through production, establish fault-tolerant architecture, improve reliability and performance, maintain rigorous testing and code quality, mentor engineers, and collaborate across product, frontend, backend, operations, and astrodynamics teams. The role focuses on resilient, scalable services supporting satellite command and control, mission planning, data processing, and analysis.

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.

Lead the Discovery Platform team, overseeing the development of scalable, high-performance systems for retrieval and ranking to enhance the user experience in Whatnot's live social marketplace.

Lead a compliance and risk engineering pillar to design, deliver, and operate regulatory automation, AI/ML, and risk-control platforms. Own roadmap, reliability, incident and defect management, stakeholder communication with Legal/Cyber/Compliance, and hiring and growth of software and quality engineering teams across global jurisdictions.

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.

The Data Engineer III will design, implement, and optimize data services, ensuring they meet business needs and drive automation and best practices across Crunchyroll's data environments.

Design, build, and scale cloud-based backend platform components and connectors for ERPs, banks, payments, tax and subledger systems. Lead architecture, deliver highly available multi-tenant SaaS services (API gateway, event bus, identity, scheduler, search, workflow orchestration), ensure performance, security, extensibility and testability, mentor engineers, drive technical decisions, and support deployments and occasional off-hours support.

Lead and grow a software engineering team owning delivery, quality, and operational health. Provide technical oversight for architecture and code quality, drive planning and execution cadence, adopt AI-assisted development tooling, recruit and onboard engineers, remove blockers and manage cross-team dependencies, and partner with product and design to deliver high-impact work.

Build and scale the PSA Liquidity Platform connecting buyers and sellers across PSA Partner Offers and eBay Consignment. Responsibilities include developing buyer tooling, pricing and ranking engines, seller experiences, microservices, distributed event-driven systems, and observability. The role owns end-to-end product delivery, cross-functional execution, technical architecture, ecosystem integrations, and production outcomes while using AI throughout the software development lifecycle.