Top Senior Level Software Engineer Jobs in San Francisco, CA

Architect and modernize highly available card-account and transaction platforms, migrating monoliths to microservices and event-driven systems. Define technical vision, architecture, API standards, and engineering best practices while ensuring scalability, security, performance, and operability. Provide hands-on technical leadership, mentor engineers, lead cross-domain initiatives, conduct architectural reviews, and collaborate with engineering, product, and architecture leaders.

Build and scale full-stack membership features across backend services and mobile front-end experiences. Design APIs and UI components, improve reliability and performance, collaborate with product, design, and data science teams, run experiments, measure member impact, and contribute through mentorship, code reviews, and engineering best practices.

Lead the design, development, deployment, and operation of Azure regional networking infrastructure spanning router hardware, SONiC, optical systems, and distributed orchestration. Develop maintainable code, improve reliability and observability, apply AI-driven engineering, coordinate cross-functional projects, and provide technical leadership across engineering, hardware, supply chain, datacenter operations, research, and external partners.

Design and build high-performance networking infrastructure for distributed AI training and inference in Azure. Architect low-latency, low-jitter communication frameworks, optimize systems for scalability and reliability, debug complex networking issues, and support petabyte-scale data transfer. Lead technical design, mentor engineers, improve observability and operational reliability, and participate in on-call support for large-scale AI infrastructure.

Architect and deliver a fleet-scale observability platform for AI supercomputers. Lead telemetry ingestion, processing, storage, querying, topology modeling, and health visualization across GPUs, hosts, networks, storage, and facilities. Establish signal standards, integrate first-party and third-party capacity data, and enable AI-assisted anomaly detection and root-cause analysis. Partner across engineering, operations, customers, and datacenter technicians to create secure workflows, validate repairs, improve reliability, and reduce diagnosis and recovery times.

Develop and optimize advanced animation systems and runtime character performance in Unreal Engine 5. Build Animation Blueprints, procedural systems, Motion Matching, locomotion, IK, cloth, and secondary dynamics. Diagnose issues across Maya and Unreal Engine, improve pipelines and tools, optimize performance and memory, collaborate across disciplines, document workflows, and mentor team members.

Build and evolve Notion’s developer platform, including APIs, MCP tools, integration infrastructure, and automation capabilities. Develop internal and customer-facing platform functionality, improve product scalability, reliability, and performance, and drive technical investments. Collaborate with product, design, data science, user research, and engineering leadership to define strategy and deliver features end to end.

Own the technical strategy and outcomes for Gusto’s expansion funnel, including recommendations, nurture journeys, and self-service conversion experiences. Partner with Product, Design, and Data Science to define roadmaps, design experiments, iterate from results, and deliver measurable revenue impact. Lead architecture, technical direction, code quality, mentoring, delegation, refactoring, reliability, and performance initiatives across customer-facing products.

Senior software engineer responsible for owning commercial navigation features from design through production, spanning mobile applications, backend services, and web experiences. The role involves building reliable, customer-facing navigation capabilities for commercial fleets, improving observability and testing, defining success metrics, and collaborating with product, design, Maps, Telematics, and adjacent engineering teams. Candidates should have strong software engineering experience across multiple product surfaces, with mobile development and logistics, industrial IoT, geospatial, or mapping expertise preferred.

The Staff Software Engineer will design and build autonomous systems to improve housing and healthcare workflows, lead projects, and collaborate on features from design to deployment.

The Senior BIM Specialist will manage and deliver BIM projects, create 3D models in Revit, and ensure quality standards while mentoring staff and improving workflow efficiency.

As a Software Engineer for AI Growth, you will create product experiences that enhance AI adoption among scientists, conducting user feedback sessions, and improving the growth platform through experimentation and analytics.