Investment Associate & Product Engineer

The role

You will design, build, and ship full-stack web applications while contributing to company evaluation and investment decisions. The role involves writing production code for internal and founder-facing tools and analyzing business models and operating metrics.

What you will do

• Design, build, and ship full-stack web applications for partners, founders, and investors
• Own features end-to-end: scoping, design, implementation, and iteration
• Work across frontend, backend, and data layers to improve YC's post-batch and internal platforms
• Make pragmatic engineering tradeoffs
• Evaluate post-batch and growth-stage companies by analyzing business models, markets, teams, and operating metrics
• Contribute to diligence efforts, including reviewing decks and data rooms, benchmarking KPIs, and conducting market or customer research
• Build and maintain analytical tools, dashboards, or workflows that support investment decisions
• Write clear, structured memos and analyses for partners and our Investment Committee

Required qualifications

• Experience shipping full-stack web applications
• Ability to design systems and reason about tradeoffs independently
• Strong analytical thinking; comfort with metrics and financial concepts
• Clear written and verbal communication
• Excellent judgment, integrity, and ability to work with sensitive information

Nice to have

• Experience with Rails, React, Postgres, or similar frameworks and databases
• Prior experience in venture capital, growth equity, banking, consulting, or corporate development
• Founder or early-stage startup experience
• Experience building internal tools, analytics platforms, or workflow software

Benefits

• medical, vision, and dental plans
• infertility benefit
• STD/LTD
• life insurance
• commuter benefits
• flexible spending account
• health savings account
• 401(k) + 4% matching
• generous parental leave
• paid holidays
• flexible paid time off policy

Before you apply

• Y Combinator is willing to sponsor certain employment visas in accordance with company policy

About the company

Y Combinator is a small, high-trust team where engineers have real autonomy and work closely with partners and founders.