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Raydar
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Lead Software Engineer

Location
San Francisco, California, United States
Work mode
On-site
Employment type
Full-time

About the job

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. Requirements 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 Compensation and benefits - Base salary: USD 220,000 to 320,000 per year - Equity - Health, dental and vision coverage - Parental leave - Wellness benefits - Flexible time off Location and work model - San Francisco, CA, United States - On-site, 5 days per week in office - Full-time

From Raydar's careers page (Workable), checked 30 Oct 2026.

How to apply

  1. Select Apply on apply.workable.com. It opens Raydar's own application form in a new tab, run on Workable.
  2. Fill in the form and upload your résumé there. Jobiwork never sees your application.
  3. Raydar will reply to you directly. No real employer asks you for money to apply.

Posted 12 Oct 2026 · checked 30 Oct 2026 · Report this job

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