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Pylon

API-driven digital mortgage platform for origination

Lead Product Manager - API Platform

Technical Product ManagementConfirmed live in the last 24 hours
Full-timeNo salary listed

About the Job

Requirements

  • At least 7 years of experience in software, including at least 4 years as a product manager on API or developer platform products.
  • Experience owning and scaling public APIs used by developers at significant scale.
  • Expertise in domain modeling, including transforming complex real-world domains into clear entities, relationships, and state machines.
  • Deep knowledge of GraphQL, including schema design, nullability, connection-based pagination, error modeling, federation, and schema evolution and deprecation.
  • Knowledge of API design beyond GraphQL, including REST, webhooks and events, idempotency, OAuth and scoped API keys, and rate limiting.
  • Ability to write code and contribute to a production codebase, prototype against APIs, and discuss architecture in depth with engineers.
  • Experience building developer experience capabilities such as documentation, SDKs, sandboxes, and developer portals.
  • Experience building 0-to-1 enterprise software in a regulated industry.
  • Ability to write SQL and define metrics for API adoption and developer experience.
  • Must live in or be willing to relocate to Palo Alto, California, or New York City.

Responsibilities

  • Set API strategy across Pylon so product and engineering teams build toward one consistent platform, and help grow the team as it scales.
  • Own the API roadmap and quality bar, with developers as the primary customers.
  • Own the domain model by defining core mortgage entities, relationships, and lifecycle states and maintaining it as products, channels, and regulations are added.
  • Lead GraphQL schema design, including types, queries, mutations, subscriptions, pagination, errors, and naming, and establish standards for other teams.
  • Run API design reviews to maintain consistency and durability of new fields and mutations.
  • Decide how to version, deprecate, and evolve the schema without disrupting customers.
  • Own developer experience, including documentation, the API explorer, SDKs, sandboxes, webhooks, and onboarding; improve how quickly new customers process their first loan.
  • Work with engineering on performance, reliability, authentication and permissions, rate limiting, and observability.
  • Write and ship code, commit schema and API changes alongside engineers, and build against the API to evaluate its usability.
  • Build compliance into the API, including required data, disclosures, audit trails, and permissions in the model.
  • Work with the Agent Platform team to make the API usable by agents as well as people.
  • Work with go-to-market and Account Management to scope integrations, support deals, and help customers succeed.
  • Use artificial intelligence in day-to-day work.

Desired Qualifications

  • An engineering background.
  • Mortgage or fintech infrastructure experience, or familiarity with industry standards such as MISMO.

About the Company

Pylon

API-driven digital mortgage platform for origination

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
51-200
Company stage
Seed
Total funding
$8.5M
Headquarters
Palo Alto, CA
Founded
2022

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