Lead Software Engineer
Raydar
Lead Software Engineer
Raydar
AI-powered recruiting agency for tech roles
Raydar · San Francisco, United States · Full-time · Posted 2026-10-12
Salary: USD 220,000–320,000
Workplace: on_site
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.
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
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Raydar is an AI-powered talent acquisition firm that serves tech-focused organizations on a contingency basis, charging client companies only after a successful hire. It uses proprietary AI to identify a large pool of candidates and conducts a short 15-minute AI-driven interview (recorded and transcribed) before human recruiters review materials, provide interview prep, and assist with offers and negotiations. What sets it apart is the blend of automated sourcing and screening with hands-on human oversight and tailored client support. Its goal is to help organizations hire more efficiently by speeding up sourcing while maintaining thorough evaluation and negotiation assistance.
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