Demo

Founding Product Engineer

TechTree
San Francisco, CA Full Time
POSTED ON 12/12/2025 CLOSED ON 2/27/2026

What are the responsibilities and job description for the Founding Product Engineer position at TechTree?

About The Company

Weave (YC W25) is a well-funded startup, backed by top investors and growing rapidly. They are building the best software to help the best engineering teams move faster.

About The Role

Join Weave as a Founding Engineer to build software for engineering teams, involving customer interaction, coding, infrastructure, and updates, with mentorship and broad ownership.

As Weave’s founding product engineer, your job is simple: build things customers want. This involves:

  • Talking to customers to understand their pain points and requests
  • Designing and planning potential solutions
  • Writing backend and frontend code for new features
  • Provisioning infrastructure to support those features
  • Releasing updates and collecting feedback
  • Fixing bugs — quickly when needed, deeply when it matters
  • Writing blog posts about what you’ve built

Then… repeat.

Requirements

  • Experience with React, TypeScript, Go, or Python
  • Strong track record of shipping and solving tough problems
  • Pragmatism
  • Mindset of continuous growth and learning
  • Motivation to help engineering teams do their best work
  • Grit and persistence in tackling hard challenges

Required Skills

  • React
  • TypeScript
  • Go
  • Python
  • Clear communication
  • Collaboration skills

Benefits

  • Competitive compensation equity
  • Direct mentorship and collaboration with the founding team
  • Opportunity to shape the product from the ground up
  • In-person San Francisco office culture
  • Broad ownership across design, backend, frontend, and infrastructure
  • Supportive mentorship from seasoned startup builders

Team members

  • Andrew (CTO) — formerly founding engineer at Causal
  • Adam (CEO) — leads sales and previously worked as a sales executive at several high-growth startups

Salary: 140000 - 200000 USD

Equity: equity, Competitive compensation equity (open to new grads!)

Salary : $140,000 - $200,000

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