Founding Engineer for Y Combinator Startups
Brynz - On-Demand Hiring for Startups &SMBs in 72 Hours - San Francisco, CA, US, 94199
Work at Brynz - On-Demand Hiring for Startups &SMBs in 72 Hours
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Overview
Founding Engineer for Y Combinator Startups
Founding Engineer for Y Combinator Startups
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Brynz is the On-Demand Recruitment Partner for Startups & SMBs
We help early-stage companies hire pre-vetted Developers, Founding Engineers, Designers, Marketers, and GTM talent delivered within 72 hours. No resume overload. Just job-ready candidates with async video interviews and skill assessments.
Our Micro Offshoring model connects startups with affordable, high-quality talent across India, LATAM, and Southeast Asia. From a single remote developer to an entire dedicated team of 10+. Whether it’s one key engineer, a UI/UX designer, or a full-stack product squad, we help you scale quickly and cost-effectively.
Trusted by fast-growing startups, including those backed by Y Combinator, Techstars, and early-stage VCs.
We are hiring for 2 positions for Y Combinator-backed companies.
About Brynz
Brynz is the On-Demand Recruitment Partner for Startups & SMBs
We help early-stage companies hire pre-vetted Developers, Founding Engineers, Designers, Marketers, and GTM talent delivered within 72 hours. No resume overload. Just job-ready candidates with async video interviews and skill assessments.
Our Micro Offshoring model connects startups with affordable, high-quality talent across India, LATAM, and Southeast Asia. From a single remote developer to an entire dedicated team of 10+. Whether it’s one key engineer, a UI/UX designer, or a full-stack product squad, we help you scale quickly and cost-effectively.
Trusted by fast-growing startups, including those backed by Y Combinator, Techstars, and early-stage VCs.
We are hiring for 2 positions for Y Combinator-backed companies.
Role1: Founding Engineer – YC-Backed AI StartupLocation: San Francisco (In-person) • Type: Full-Time
• Experience: 3+ years • Salary: $130K–$200K + Equity
About the StartupYC-funded startup building the infrastructure for intelligent browser-based agents to automate complex workflows done via UI, not APIs—like recruiting, sales, and operations.
Founded by ex-Scale AI and Meta engineers.
Stage: Seed • Founded: 2024 • Team Size: <10 •
Tech Stack: TypeScript (React/Next), Python (FastAPI), WebSockets, Postgres, Redis, Playwright, Docker, Kubernetes
Requirements- Strong software engineer with real-world shipped products (startups, OSS, side projects)
- High build velocity and comfort with ambiguity
- Proficient in TypeScript + Python, with full-stack ownership
- Comfortable managing or working with international contractors
- Bonus: Experience in ML tooling, browser automation, or agents
- Familiar with CI/CD, pub/sub systems, and message queues (e.g., RabbitMQ)
- $130K–$200K base + up to 3% equity
- Founding-level role with ownership and strategic impact
- Work on foundational ML infra alongside top-tier engineers
- Help shape the future of browser agents in real-world work
Location: San Francisco, CA (In-person) • Type: Full-Time
• Experience: 3–8 years • Salary: $160K–$220K + Equity
About the CompanyA YC-backed seed-stage healthcare startup building SaaS tools that directly impact hospital operations. Already generating 7-figure ARR in under 6 months, the company is working with real clinicians to solve meaningful problems in care delivery.
As Engineer #5, you'll own key features end-to-end, collaborate closely with the founders, and help shape the roadmap and engineering culture. You’ll ship fast, work directly with users, and build scalable systems that power mission-critical hospital workflows.
Stage: Seed • Founded: 2021 • Team Size: 11–50
• ARR: 7 figures+ • Product: Healthcare SaaS for hospital ops
Requirements- 3–8 years of full-stack experience
- Strong in TypeScript, React, SQL
- Prior experience in early-stage startups (Seed–Series B)
- At least 2+ years tenure at one past company
- CS degree (or strong practical experience/top-tier startup exposure)
- Comfortable working in-office 5 days/week in San Francisco
- Strategic role in a high-impact product
- Work directly with clinicians and hospital stakeholders
- $160K–$220K base + meaningful equity
- Comprehensive health coverage
- Daily collaboration with founders
- Fast product cycles, high ownership, and clear path to leadership
Seniority level
Seniority level
Mid-Senior level
Employment type
Employment type
Full-time
Job function
Job function
Engineering and Information TechnologyIndustries
Staffing and Recruiting
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