Full-Time

Senior Generalist Engineer

Posted on 10/31/2025

Pylon

Pylon

11-50 employees

API-driven digital mortgage platform for origination

No salary listed

Palo Alto, CA, USA

In Person

Category
Software Engineering (1)
Required Skills
Nest.js
Postgres
GraphQL
TypeScript
AWS
Requirements
  • Typescript front and backend development experience
  • Experience with web components
  • GraphQL
  • PostgreSQL
  • NestJS web framework
  • Nx build system
  • AWS stack using Cloud Development Kit (CDK) for declarative infrastructure
Desired Qualifications
  • Have strong opinions that you’re willing to defend in technical decisions and participate in vigorous discussion and debate
  • Challenge yourself to frequently and consistently deliver exceptional code and take initiative to improve it
  • Have great ideas and the ability to see opportunities to improve code, product, and infrastructure
  • Be self-motivated and able to work without extensive hand-holding
  • Be comfortable with ambiguity and able to make decisions under uncertainty while balancing constraints
  • Be confident you can learn quickly given mortgage and platform are complex
  • Love strong typing and pride in pushing Typescript to its limits; familiarity with Haskell and Rust and Idris
  • Enjoy being in a small, generalist team in a regulated space (mortgage)
  • Willingness to work on challenging tasks with a high chance of failure and learn from results

Pylon Lending provides a digital mortgage infrastructure that businesses can embed into their own products. It offers an SDK and APIs with pre-built UI components to enable end-to-end mortgage origination—from application to closing—without building the backend from scratch. The platform is Freddie Mac approved and targets developers in fintech and real estate, allowing clients to integrate digital mortgage services quickly and at lower cost. Revenue comes from subscriptions and transaction fees based on mortgage volume. Compared with traditional approaches, Pylon differentiates itself by delivering a complete, customizable mortgage stack that can be embedded into other apps with minimal code. The company aims to help businesses launch scalable digital mortgage offerings, improve efficiency, and enhance customer experience by digitizing the origination process.

Company Size

11-50

Company Stage

Seed

Total Funding

$8.5M

Headquarters

New York City, New York

Founded

2022

Simplify Jobs

Simplify's Take

What believers are saying

  • Citi investment integrates Wall Street liquidity for clients.
  • $8.5M seed round from Conversion Capital fuels scaling.
  • Platform cuts origination costs 74% versus Freddie Mac benchmarks.

What critics are saying

  • Blend's 8,000 lenders capture developer integrations first.
  • Mortgage rates above 7% slash volumes 20-30% in 2026.
  • FHFA Q3 2026 audits impose $1M fines on AI underwriting.

What makes Pylon unique

  • Pylon offers AI-powered end-to-end mortgage origination via GraphQL APIs.
  • Freddie Mac approval enables Day 1 Certainty with Plaid integration.
  • Five composable products automate from decisioning to compliance.

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Benefits

Medical, vision & dental

Unlimited PTO

Hardware allowance

Annual off-sites

Growth & Insights and Company News

Headcount

6 month growth

-4%

1 year growth

-10%

2 year growth

-8%
HousingWire
Nov 26th, 2024
Citi invests in mortgage platform Pylon

Mortgage infrastructure provider Pylon received a minority strategic investment from Citi and closed a deal to sell mortgages on its platform through the bank's mortgage trading desk, the parties announced on Tuesday.

Finextra Research
Nov 26th, 2024
Citi Invests in Pylon Mortgage Platform

Citi has invested in Pylon, a programmatic mortgage infrastructure provider. While financial terms were not disclosed, the partnership involves integrating Citi's mortgage trading desk liquidity into Pylon's platform, granting Pylon customers direct access to Citi's institutional-grade products and rates. Pylon CEO Trent Hedge highlights the enhanced access to Wall Street-level resources for their clients.

Fundraise Insider
Jul 18th, 2023
Pylon Raises $3.3M Seed Round to Accelerate Embedded Mortgage Platform

Pylon, an embedded mortgage infrastructure platform, announced on Tuesday that it had raised $3.3 million in seed funding.

Business Wire
Dec 6th, 2022
Pylon Closes $8.5M Seed Round to Build the Embedded Mortgage Infrastructure Platform

Pylon, the embedded mortgage infrastructure platform, announced today that it has raised $8.5 million in seed funding, led by Conversion Capital with

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