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Senior Web API Engineer

GoodLeap is a technology company delivering financing and software products for sustainable solutions, from solar panels to energy-efficient home improvements.
United States
$146,000 - $170,000
Backend
Senior Software Engineer
Remote
5+ years of experience
Enterprise SaaS · Finance

Description For Senior Web API Engineer

GoodLeap, a leading technology company in sustainable solutions financing, is seeking a Senior Web API Engineer to spearhead the development of their external-facing RESTful APIs. With over $30 billion in financing facilitated since 2018, GoodLeap has helped more than 1 million homeowners access sustainable home improvements through their AI-powered platform.

The role focuses on designing and implementing scalable services that will connect GoodLeap's platform with partners and third-party developers. As a Senior Web API Engineer, you'll be instrumental in shaping how external systems integrate with GoodLeap, working with technologies like Node.js, TypeScript, and AWS. You'll lead API-first development using OpenAPI (Swagger), ensuring secure, reliable, and developer-friendly integrations.

This is an opportunity to make a real impact on sustainability while working with modern technologies. GoodLeap's mission extends beyond business through their nonprofit GivePower, which has helped over 1.6 million people access clean water and electricity across three continents. The position offers competitive compensation ($146,000 - $170,000) with bonus potential and remote work flexibility.

The ideal candidate will bring strong expertise in RESTful API design, authentication systems, and cloud services, particularly AWS. You'll work on critical infrastructure that enables thousands of professionals to deploy home efficiency and solar solutions while maintaining high standards for security and performance. If you're passionate about clean technology and want to build systems that make sustainable living more accessible, this role offers the perfect blend of technical challenge and meaningful impact.

Last updated 23 days ago

Responsibilities For Senior Web API Engineer

  • Design and build secure, reliable, and scalable RESTful APIs for external integration
  • Lead API-first development using OpenAPI (Swagger) to drive consistency and clarity
  • Architect service boundaries and implementation patterns optimized for external consumption
  • Deliver robust authentication, versioning, and fault-tolerant APIs aligned with partner needs
  • Collaborate with product and technical stakeholders to define long-term API strategy and standards

Requirements For Senior Web API Engineer

Node.js
TypeScript
  • Proficiency with Node.js and TypeScript in a production environment
  • Deep understanding of RESTful API design, including resource modeling and HTTP semantics
  • Experience building externally consumable APIs, including considerations for usability, security, and stability
  • Strong foundation in OAuth2, API keys, and token-based authentication for service integration
  • Proficiency with OpenAPI (Swagger) specifications and developer-facing documentation
  • Experience integrating with Kong API Gateway, including routing, rate limiting, and plugins
  • Deployment experience in AWS, particularly using Amazon ECS for containerized services
  • Familiarity with performance optimization, caching strategies, and observability practices for APIs
  • Passion for clean interface design and external developer experience

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