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LinkedIndavid@raydar.xyz

Lead Platform Engineer

Early-stage technology company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted30 September 2026

The role, as published

About the company

Our client is an early-stage technology company.

The role

Raydar is recruiting for this role on behalf of our client. Act as the most senior engineer on a core data platform, guiding architecture, security and reliability decisions. The work combines hands-on backend development with mentoring and helping shape a growing engineering team.

What you'll do

  • Lead the technical direction, delivery and scaling of a central data platform.
  • Build and run the services that bring in varied inputs, expose them through APIs and store them reliably.
  • Operate the graph database and search components that power advanced retrieval use cases.
  • Develop high-throughput backend services in Go and Python.
  • Plan platform security from the ground up, covering access between services, customer separation, credential handling and data protection.
  • Manage cloud infrastructure, automated delivery pipelines and monitoring, and set reliability targets and shared developer tooling.
  • Raise engineering standards through design guidance, code review and coaching.
  • Partner with company leadership to interview candidates and hire engineers as the team expands.

What we're looking for

  • 5+ years of hands-on experience with production backend systems, data platforms or large-scale distributed services (3+ for exceptional candidates).
  • A record of leading design, security and scaling decisions for a core platform.
  • Experience bringing structure and discipline to young engineering environments.
  • Strong working knowledge of container orchestration, infrastructure as code and modern CI/CD tooling.
  • Experience building data pipelines that handle messy, varied source data.
  • Experience at well-regarded engineering organizations or startups.
  • Ability to work on-site in San Francisco, CA, five days a week.
  • Legal authorization to work in the United States.

Bonus points

  • Exposure to scientific or life sciences data.
  • Familiarity with formal security or compliance certification efforts.
  • Health, dental and vision coverage
  • Life and disability insurance
  • Paid parental leave
  • Paid sick leave
  • Relocation support

Location and work model

  • San Francisco, CA, United States
  • On-site, 5 days per week in office
  • Full-time

Compensation, as the posting describes it

  • Equity
  • Retirement plan
  • Flexible time off and paid holidays
  • Learning budget

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