Lead Platform Engineer

ABOUT THE ROLE Lead platform engineering for a data infrastructure company, building the foundational systems that turn diverse scientific data into a reliable, queryable knowledge base. You will set architectural direction, strengthen security and engineering practices, and help grow the platform team. WHAT YOU'LL DO - Own the architecture, delivery, security, and scaling of the core data and execution platform. - Build and operate ingestion pipelines, APIs, microservices, and storage that normalize varied scientific inputs while preserving data provenance. - Manage knowledge graph and vector search systems to support combined structured and semantic retrieval. - Develop high-concurrency platform services in Go and Python, including controlled agent write access and isolated execution environments. - Set security boundaries for authentication, tenant isolation, secrets, encryption, and zero-trust access. - Own cloud infrastructure, CI/CD, and observability, and establish service objectives and reusable developer workflows. - Set engineering standards through architecture guidance, code reviews, mentoring, and team building. - Partner with company leadership on team design, interviewing, and platform engineering recruitment. WHAT WE'RE LOOKING FOR - At least 5 years of platform or infrastructure engineering experience, with a track record building and operating production backend infrastructure, data platforms, or distributed systems. - Dedicated infrastructure engineering experience in addition to software engineering. - Strong experience with Kubernetes, Terraform, Ansible, and modern CI/CD systems. - Experience designing ingestion for messy, multi-source data, including schema harmonization and entity resolution. - Proficiency with Go, Python, FastAPI, TypeDB/TypeQL, Qdrant, GitHub Actions, OpenTelemetry, and Prometheus. - Experience with computational biology, biotech data systems, or compliance frameworks such as SOC 2 is a plus. COMPENSATION & BENEFITS Base salary: $220,000 to $300,000 annually. Visa sponsorship or transfer is not available. LOCATION On-site, five days per week in San Francisco, California. Relocation assistance is available.