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Raydar

Lead Software Engineer

San Francisco
Salary
$220,000 - $320,000 per year
Level
Lead

Not stated in the posting: work type, visa.

Open. First seen 23 October 2026.

About the role

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

What this role asks for

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Raydar's other open jobs.

Salary context

31 other open postings titled Lead Software Engineer state a salary: median USD 175,000 to USD 224,000 a year.

See Software Engineer salaries in San Francisco →

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