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LinkedIndavid@raydar.xyz

Lead Software Engineer

Fast-growing software company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted12 October 2026

The role, as published

About the company

Our client is a fast-growing software company.

The role

Raydar is recruiting for this role on behalf of our client. Take ownership of a backend platform that handles high-volume processing workloads, with a focus on speed, dependability and cost control. Collaborate with machine learning colleagues to get models running in production, and share on-call duties within a small platform group.

What you'll do

  • Own and improve the backbone platform that executes customer workloads, keeping it quick, dependable and economical as demand grows.
  • Collaborate with machine learning engineers on hosting proprietary models efficiently and fitting them into live data pipelines.
  • Build and maintain core infrastructure, including data stores, job coordination, resource allocation and cloud releases.
  • Resolve performance, resilience and capacity problems across multi-service systems as traffic increases.
  • Join the on-call rotation and take responsibility for the overall health of the platform.

What we're looking for

  • 5+ years of experience owning and scaling core infrastructure at a fast-paced startup or a respected, high-velocity technology company.
  • If coming from a larger company, a Staff or Principal title or a clear record of fast promotion.
  • Full-stack skills; this is not a pure infrastructure or DevOps position.
  • Solid background building reliable, large-scale backend systems that coordinate work across many services.
  • Strong Python skills, or deep experience in another systems language along with willingness to move to Python.
  • Comfort taking part in on-call duties.

Bonus points

  • Experience with cloud infrastructure and tuning how models are served.
  • Experience at an early-stage startup.
  • A degree from a top computer science program.

Benefits

  • Health, dental and vision coverage
  • Parental leave
  • Wellness benefits

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
  • Flexible time off

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