Growix
Software Development & Artificial Intelligence

API Integration Engineer

Build the APIs and third-party integrations that keep client applications connected.

  • Contract
  • Mid-Level
  • Remote · Worldwide
  • Evergreen opportunity
Apply for this track

Role overview

You will design and build APIs and integrations between client applications and the services they depend on, with a focus on reliability and clear contracts.

This is an evergreen track — a permanently open talent pipeline rather than a dated vacancy. We review applications continuously and open a seat when we meet the right person.

Key responsibilities

  • Develop and document APIs.
  • Implement and maintain third-party integrations.
  • Troubleshoot integration failures and data mismatches.
  • Improve API reliability, versioning and error handling.
  • Work with partner engineering teams on integration specifications.

Required skills & qualifications

  • Professional experience building REST or GraphQL APIs.
  • Experience integrating third-party APIs, including auth flows (OAuth).
  • Strong debugging skills across systems.
  • Clear technical writing.

Relevant tools & technologies

  • Node.js
  • Python
  • OpenAPI
  • Postman

Application process

Send your CV and the work that best shows how you think — links, repos, decks or campaigns. We reply to every application within seven days, and the full five-step process (including a paid working session) is published on the careers page.

Apply for API Integration Engineer