Brynz - On-Demand Hiring for Startups &SMBs in 72 Hours
Founding Engineer for Y Combinator Startups
Brynz - On-Demand Hiring for Startups &SMBs in 72 Hours, San Francisco, California, United States, 94199
Founding Engineer for Y Combinator Startups
Founding Engineer for Y Combinator Startups
1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. 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 Startup
Location:
San Francisco (In-person) •
Type:
Full-Time •
Experience:
3+ years •
Salary:
$130K–$200K + Equity About the Startup
YC-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:
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) Benefits
$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 Role 2: Fullstack Engineer – YC-Backed Healthcare SaaS Startup
Location:
San Francisco, CA (In-person) •
Type:
Full-Time •
Experience:
3–8 years •
Salary:
$160K–$220K + Equity About the Company
A
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 Benefits
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
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#J-18808-Ljbffr
Founding Engineer for Y Combinator Startups
1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. 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 Startup
Location:
San Francisco (In-person) •
Type:
Full-Time •
Experience:
3+ years •
Salary:
$130K–$200K + Equity About the Startup
YC-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:
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) Benefits
$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 Role 2: Fullstack Engineer – YC-Backed Healthcare SaaS Startup
Location:
San Francisco, CA (In-person) •
Type:
Full-Time •
Experience:
3–8 years •
Salary:
$160K–$220K + Equity About the Company
A
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 Benefits
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 Technology Industries Staffing and Recruiting Referrals increase your chances of interviewing at Brynz - On-Demand Hiring for Startups &SMBs in 72 Hours by 2x Get notified about new Startup Engineer jobs in
San Francisco, CA . Redwood City, CA $130,000.00-$155,000.00 2 weeks ago San Francisco, CA $140,000.00-$200,000.00 5 days ago Union City, CA $110,000.00-$150,000.00 3 days ago Hayward, CA $90,000.00-$110,000.00 1 week ago Software Engineer Intern - Fall Session (September - December 2025)
Redwood City, CA $8,000.00-$8,000.00 1 week ago Software Engineer Internship - 12 months (4 openings)
San Francisco, CA $90,000.00-$110,000.00 3 months ago San Leandro, CA $85,000.00-$110,000.00 5 days ago San Francisco, CA $120,000.00-$200,000.00 2 years ago San Francisco, CA $117,000.00-$150,000.00 3 weeks ago San Francisco, CA $130,000.00-$180,000.00 6 days ago San Francisco, CA $180,000.00-$270,000.00 1 year ago Hayward, CA $130,000.00-$170,000.00 1 week ago Redwood City, CA $200,000.00-$310,000.00 2 weeks ago San Francisco, CA $96,200.00-$102,000.00 12 hours ago San Francisco, CA $150,000.00-$190,000.00 12 months ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr