Integration Developer (API Specialist)
OpenTrain AI · Remote · Worldwide · Posted Mar 29, 2026
We are seeking an Integration Developer (API Specialist) to train and evaluate AI systems in API integration and interoperability scenarios. You will generate prompts challenging models to design integrations between business systems, evaluate AI-generated integration plans, payloads, and workflows, and ensure robust data transfer and error handling. Typical tasks include designing and reviewing integration workflows between CRMs, ad platforms, email tools, and databases such as Airtable, Google Sheets, and Notion using REST APIs and webhooks.
This role requires hands-on experience building API integrations using REST APIs and webhooks, the ability to read technical documentation, and proficiency in English at a B2 or higher level. The ideal candidate will be comfortable with data mapping, schema validation, designing data pipelines, and troubleshooting. Experience connecting SaaS tools and demonstrating examples of complex system integrations is strongly preferred.