Founding Product Engineer

Weave (YC W25) is building the definitive platform for understanding and improving how engineering teams work. We believe the way engineering output is measured today is fundamentally broken and that modern AI can give teams a far more accurate and actionable view of productivity, impact and collaboration.

Trusted by 150+ customers such as Rho, 11x and Browserbase, we’ve delivered consistent double-digit month-over-month revenue growth since May and are looking to accelerate our growth.

We’ve raised a $4.2M seed round and are backed by Moonfire, Burst capital and Y Combinator (W25). We’re now hiring a Founding Product Engineer to help define the product and the technical foundation of Weave.

This is a rare opportunity to join at the ground floor and shape how millions of engineers and leaders understand engineering work.

What We’re Building

Weave is rethinking engineering output from first principles.

We use AI to :

• Understand how engineers actually work (not just what they ship)
• Surface meaningful insights about productivity, quality, collaboration and impact
• Help teams improve outcomes without vanity metrics or surveillance

Our goal is not to optimize for “more output,” but for better engineering.

The Team You’ll Work With

You’ll work directly with :

This is a small, intense, highly collaborative team. You will have real ownership from day one.

Must haves

You are a good fit for Weave if you are a formidable engineer. This means you stop at nothing to accomplish your goal. We don't care much about your current skills or even what you've done before; we care that you will be able to do anything you set your mind to.

You must also be pragmatic. Weave is a startup so something is always on fire. You need to know when to let little fires burn and when to break out the extinguisher.

You must be a very good engineer who's committed to becoming a great engineer. The slope is more important than the Y-intercept.

You must be empathetic. We're building products for other people, so you need to be able to understand how other people think and why.

You must care about helping other software engineering teams be great. If that's not an exciting mission for you, it will be hard to stay motivated through the inevitable highs and lows.

You must be an excellent communicator. You’ll be working on a product that’s communicating with millions of engineers and leaders, so you need to be clear.

Finally you must be gritty. You should be accustomed to picking the hard option and pushing through it.

Nice to haves

(Please feel free to apply even if some or all of these don't apply to you!)

Our tech stack is React + TypeScript on the frontend, Go on the backend, and Python for ML. Experience with any of those three languages is a bonus.

If you've already done lots of thinking about engineering productivity and how to improve it, that's great and we want to hear about it!

We hope your design sensibilities are passable.

The role

As Weave’s founding product engineer, your job is to build things customers want. This involves any / all of :

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