Top Engineering Jobs in San Francisco, CA

As a Senior Software Engineer on the molab team, you will design backend architecture, ensure high availability and low latency, and develop product features for a cloud-hosted marimo notebook service.

Own, build, and operate production reliability tooling and systems across the cloud stack. Lead projects to improve availability, scalability, automation, observability, and incident response. Ship production services in Python/Go, participate on-call, reduce toil through automation, and maintain long-lived platform frameworks.

Lead end-to-end technical delivery of large-scale bare-metal GPU clusters for strategic customers: facility/rack design, GPU cluster bring-up, InfiniBand/RoCE fabric validation, HPC benchmarking and remediation, operational models for BMaaS, and cross-team product feedback. Act as primary technical customer contact, run proofs-of-concept, collaborate with engineering teams, and support security-sensitive, production-ready supercomputers.

Lead operational readiness reviews for large-scale data center projects, identify design/construction/commissioning gaps, drive corrective actions, validate turnover readiness, coordinate across design, construction, commissioning, and operations to ensure mission-critical infrastructure meets standards and is handed off reliably.

Build, maintain, and optimize scalable front-end systems and web experiences. Translate Figma designs into reusable components, support large-scale site migrations, improve performance, accessibility, and SEO, and work with cross-functional teams using modern workflows and AI-assisted tools.

As a Security Production Engineer, you'll ensure security systems' reliability, develop automation, collaborate on performance optimization, and mentor team members.

As a Senior Developer Relations Engineer, you'll grow the marimo community, work on scalable growth strategies, and maintain user relations. Responsibilities include event organization and collaborations with open-source projects.

The Preconstruction Manager leads the preconstruction lifecycle for data center projects, overseeing planning, budgeting, procurement, and collaboration with various teams to ensure timely and cost-effective project delivery.

The Staff Software Engineer will design and implement the backend architecture for Marimo's molab, focusing on high availability, low latency, and system stability, while utilizing CoreWeave's infrastructure.

Design, build, and operate Salesforce solutions, including Sales Cloud and Revenue Cloud/CPQ, while owning integrations with finance and GTM systems. Lead high-impact initiatives and ensure scalable workflows across the customer lifecycle.