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About the job

About Pylon

America’s $13T mortgage market is one of the most important financial systems in the world. It underwrites the middle class and is the mechanism through which millions of families build wealth. But while every other financial instrument has been simplified to an API call, mortgages are still assembled by hand.

We started from zero and created the first vertically integrated mortgage platform that turns origination into a single API.

Publicly traded companies and the country’s largest originators are already building on Pylon. Revenue is compounding monthly. We’re backed by Peter Thiel, Conversion Capital, QED, Citi, Fifth Wall, and the founders of Ramp, Blend, and Mercury.

Working at Pylon isn’t for those seeking comfort. The people who thrive here have high agency, strong opinions, and a track record of delivering outcomes without direction. Many of us are former founders. We move quickly, challenge each other directly, and take full ownership of results. It’s hard work, but it will be worth it.

Join us in building America’s mortgage rails.

THE TEAM

We're looking for Full Stack Engineers to join our Customer Success team. This team exists for one reason: make sure the people using Pylon can close loans quickly, confidently, and without friction.

Mortgage is complex. Our customers are navigating regulations, timelines, and borrower expectations simultaneously. Your job is to make all of that feel simple. You'll work directly on the surfaces our customers touch every day — building features that solve real problems they're experiencing right now, not six months from now.

This isn't a team where your work disappears into a backlog. You ship something on Monday, and by Tuesday someone is using it to fund a loan faster.

HERE IS WHAT YOU'LL DO

- Model hard domain problems in code. Mortgage has edge cases that have edge cases. You'll turn messy, real-world lending scenarios into clean, reliable software.

- Get immediate feedback on live customer problems. You're not guessing what matters. Customers tell us what hurts, and you build the fix. The loop between "this is broken" and "this is shipped" is tight.

- Own solutions end-to-end. From the first line of code to production deploy to long-term maintenance — it's yours. No throwing things over the wall to another team.

- Sweat the details. The difference between a good mortgage platform and a great one is in the small things. A misplaced decimal, a confusing label, a slow page load — these cost our customers real time and real money.

- Solve puzzles daily. If you like untangling complexity and finding the elegant path through a messy problem, you'll love this work.

TECH STACK

- TypeScript

- React (frontend)

- NestJS + GraphQL (API layer)

- SQL (PostgreSQL)

- Temporal.io http://Temporal.io (workflow orchestration)

- AI-driven development tooling and agentic infrastructure

WHO WILL SUCCEED HERE

Someone who:

- Is deeply curious

- Wants to own features from design to development to deployment to maintenance

- Is willing to put the work in to solve the hardest of problems

Location: Palo Alto , CA Base Salary Range: $140,000/yr to $220,000/yr + Equity + Benefits