Skip to content
PylonPylon

Backend Engineer, Integrations

Build and maintain integrations connecting the mortgage platform to external partners like credit bureaus, title companies, and insurance providers using TypeScript, NestJS, and diverse APIs. Own solutions end-to-end on a high-impact project requiring self-direction and versatility.

About the job

Responsibilities

  • Build integrations across the mortgage ecosystem, connecting Pylon to external partners with diverse APIs, data formats, quirks, and reliability characteristics.
  • Work across the entire mortgage process, gaining comprehensive understanding by building connective tissue.
  • Own solutions from development to deploy to maintenance, ensuring uptime.
  • Be self-directed, versatile, context-switch between partners, prioritize, and drive projects forward.
  • Move fast on high-impact integrations project.

Tech Stack

  • TypeScript
  • NestJS + GraphQL
  • SQL (PostgreSQL)
  • Temporal.io (workflow orchestration)
  • External partner APIs (REST, SOAP, file-based)
  • AI-driven development tooling and agentic infrastructure

Requirements

  • Deeply curious
  • Own features from design to development to deployment to maintenance
  • Willing to put in the work to solve the hardest problems

Base Salary Range: $140,000/yr to $220,000/yr + Equity + Benefits

Skills

TypeScript, Nestjs, GraphQL, Postgres, Temporal.Io, REST APIs, Soap, Workflow Orchestration, AI Tools

Crusoe

Crusoe

San Francisco, CA

Software Engineer II, Storage
$140k+/yrOn-siteBackend Engineering

Develop and operate scalable, fault-tolerant cloud storage infrastructure, contributing across the stack from bare metal to user-facing APIs. The role requires distributed infrastructure experience, software engineering expertise, and proficiency in Java or Go.

Scribe

Scribe

San Francisco, CA

Backend Engineer
$140k+/yrHybrid3+ YOEBackend Engineering

Build backend features and improve performance across document workflows, integrations, and greenfield projects in a Django-based platform. The role requires 3+ years of backend application experience, strong Python skills, and familiarity with testing, database optimization, and engineering best practices.

Reality Defender

Reality Defender

New York, NY

Software Engineer II
$140k+/yrRemote5+ YOEBackend Engineering

Develop Windows and .NET services powering Microsoft Teams bot applications with low-latency real-time audio and video. The role requires 3–5 years of software development experience, strong C#/.NET skills, Kubernetes operations expertise, and familiarity with media streaming and Microsoft APIs.

Upstart

Upstart

United States

Software Engineer, Cash Line
$136k+/yrRemote5+ YOEBackend Engineering

Build and operate backend services and APIs powering Cash Line lending experiences, including pricing, underwriting, funding, and account management. The role requires a bachelor's degree or equivalent experience, at least four years of professional software engineering experience, and proficiency with backend development.

PrizePicks

PrizePicks

United States

Software Engineer III
$145k+/yrRemote3+ YOEBackend Engineering

Build and scale Ruby on Rails backend services for rewards, incentives, and loyalty features in a high-throughput platform. The role owns complex feature delivery, contributes to architecture, mentors junior engineers, and requires 3+ years of professional software engineering experience.