Full-Time

Product Engineer

Internal Tools

Y Combinator

Y Combinator

1,001-5,000 employees

Seed-stage startup accelerator and investor

Compensation Overview

$250k - $500k/yr

+ Profit-sharing

H1B Sponsorship Available

San Francisco, CA, USA

In Person

On-site five days/week at Dogpatch campus; relocation assistance available.

Category
Software Engineering (1)
Required Skills
JavaScript
HTML/CSS
Requirements
  • Willing to live in the San Francisco Bay Area or be willing to relocate to San Francisco; generous relocation support is provided.
  • Enjoy front-end software development, as it is described as almost a requirement for the role.
Responsibilities
  • Design and build out new features in entirety, focusing on tools such as event software and engagement tools designed to help YC keep in touch with companies after they go through the YC program.
  • Work alongside YC Partners to build productivity software, including examples such as Gmail plugins and company dashboards for partners to engage founders who email or Slack them regularly.
  • Scope and prioritize the roadmap, making trade-offs of effort and impact to determine what is most urgent and important to build next.
  • Analyze usage and engagement to understand what is working and focus on long-term continuous improvement.

Y Combinator is a startup accelerator that funds early-stage companies through seed investments and a three-month, batch-based program. Founders receive mentorship, guidance on product and business strategy, and a Demo Day to present to invited investors. The program runs four times a year, creating a strong network effect among participants who can support one another and share experiences. The accelerator’s portfolio spans software, fintech, biotech, and consumer products, with notable alumni including Stripe, Airbnb, and Coinbase. Unlike many investors, Y Combinator combines a small equity stake with access to a vast alumni and investor network, monetizing returns from successful exits such as acquisitions or IPOs. Its goal is to identify high-potential ventures, help them grow, and generate meaningful financial returns for its stakeholders through exits.

Company Size

1,001-5,000

Company Stage

Pre-seed

Total Funding

$44.3B

Headquarters

Mountain View, California

Founded

2005

Simplify Jobs

Simplify's Take

What believers are saying

  • 0.6% OpenAI stake from 2016 YC Research yields $5B+ at $852B valuation.
  • Spring 2026 batch funds MochaTrade and Moritz AI law firm swiftly.
  • Series A, Post-A, Growth programs aid alumni raising $20M-$100M.

What critics are saying

  • EU AI Act enforcement August 2026 kills 20-30% AI portfolio companies.
  • Techstars poaches 15-25% applicants with 6% equity remote deals.
  • FTC antitrust probes force 7% SAFE overhaul within 24-36 months.

What makes Y Combinator unique

  • YC invests $500K via $125K post-money SAFE for fixed 7% equity.
  • Four annual three-month batches sort startups into partner-led groups.
  • Alumni network spans Stripe, Airbnb, Coinbase successes since 2005.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

Paid Holidays

401(k) Retirement Plan

401(k) Company Match

Parental Leave

Fertility Treatment Support

Commuter Benefits

Company News

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Happl, a global employee benefits operating system, has raised $11 million in a Series A round led by Portage Ventures. Y Combinator, 6 Degrees Capital, Haatch and Ventures Together also participated. Founded in 2022 by Ben Towers MBE, Happl provides an AI-powered platform that helps HR and finance teams manage employee benefits eligibility, compliance and administration across over 160 countries. The system replaces fragmented country-by-country processes with unified infrastructure designed for multinational employers. The London-based company, which also operates in New York, serves enterprise clients including Moelis, Kainos and Hootsuite. The funding will support product development and international expansion as demand grows for modernised benefits management infrastructure amongst global organisations.

Daring Fireball
May 8th, 2026
Y Combinator’s Stake in OpenAI

The fact that Paul Graham personally has billions of dollars at stake with OpenAI doesn’t mean that his public opinion on Sam Altman’s trustworthiness and leadership is invalid. But it certainly seems like the sort of thing that ought to be disclosed when quoting Graham as an Altman character reference.

Signature Block
Apr 20th, 2026
Why they invested: Deel

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Auctor
Apr 17th, 2026
Auctor's Series A Announcement | Auctor

Today, we're announcing that Auctor has raised $20 million, including a Series A led by Sequoia Capital with participation from M12, Microsoft’s Venture Capital Fund, HubSpot Ventures, Workday Ventures, OneStream, Y Combinator, Tercera, and Dig Ventures.

Local Town Pages
Apr 15th, 2026
HockeyStack raises $50M to launch AI revenue agents for enterprise sales

HockeyStack, an enterprise revenue intelligence platform, has raised over $50 million in new funding from Bessemer Venture Partners, Y Combinator and Uncorrelated Ventures. The San Francisco-based company is launching Revenue Agents, a platform designed to automate sales processes for enterprise teams. Founded in 2023, HockeyStack has grown to over 300 customers in under two years by replacing traditional Salesforce-style data architecture with an event-based system. The new Revenue Agents platform uses proprietary machine learning to extract institutional knowledge from enterprise data, with AI agents assigned to individual deals and accounts to execute decisions and engage sales representatives. The funding will support product development and expansion into prospecting, new business and expansion, with active hiring across engineering, sales, customer success and marketing.