Top Senior Linux Jobs in San Diego, CA

Design, build, and maintain scalable backend and infrastructure systems (50% backend, 50% infra). Improve developer experience, observability, performance, availability, and latency. Lead large-scale architectural changes (database sharding, event bus, search scaling), mentor engineers, drive cross-team best practices, and collaborate with InfoSec on compliance and security automation.

You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.

The Senior Infrastructure Engineer will design, build, and operate crucial cloud infrastructure and developer tools, focusing on observability, reliability, and performance in a high-velocity software environment.

Design and build AI-centric full‑stack TypeScript web applications (SPAs and APIs). Collaborate on product and architecture, own technical decisions, mentor peers, perform code reviews, and manage project priorities and deliverables.

Own and modernize the governance domain (auth, roles/permissions, orgs, billing) as a Staff-level backend IC: set architecture, refactor for scale and AI-native workflows, write critical-path code (70-80%), mentor engineers, and partner with product to deliver enterprise-grade governance and compliance features.

Lead design, build, and scale Perchwells Android app. Own initiatives from design through launch, shape Android architecture, ensure reliability and scalability, and collaborate with backend, product, design, and QA to deliver high-quality mobile experiences for real estate professionals.

Design, build, and operate scalable distributed backend services (Node.js/TypeScript, Python/FastAPI) using event-driven patterns. Ship end-to-end features including frontend when needed, integrate LLMs reliably, improve CI/CD and developer tooling, lead architecture and mentor engineers, and ensure system reliability, observability, and scalability on Kubernetes/AWS.

Lead architecture and hands-on implementation of a full-stack platform and production AI systems (LLM integration, RAG, agentic workflows). Ship user-facing features across frontend, backend, data pipelines, infrastructure, testing, and monitoring. Set technical direction, tooling, and engineering practices while partnering with product and program teams.

Own and scale the React Native mobile app used by ranchers to monitor and move cattle. Build and maintain Mapbox-powered maps, geospatial data flows, and reliable sync with backend and connected hardware. Focus on performance, reliability, and user experience; grow and lead a mobile team over time.

Own the electrical design and integration of high-power machines, including DC buses, inverters, motor drives, magnetic-bearing amplifiers, test-cell power systems, and load banks. Lead EMC, harmonics, bearing-current, insulation, arc-flash, and electrical-safety work through installation and commissioning. Develop safe work practices for energized equipment and bring first-of-a-kind systems to full-rating operation.