Freelance Integration Developer (API Specialist) for AI Projects

MindriftRemote — València, Valencian Community, Spain

Remote Contract $50/hr - $50/hr

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Experience Level

Experience

Qualifications

2-3 years of relevant experience in API integrations, automation, backend systems, or software development (required). Bachelor's or Master’s Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus. Extensive experience with REST APIs, webhooks, and data interchange formats (JSON or similar). Demonstrable ability to design and manage integrations across multiple SaaS tools and business systems. Robust understanding of database synchronization across platforms (Airtable, Google Sheets, Notion, etc.).

About the job

Mindrift is seeking talented Integration Developers (API Specialists) to contribute to the Tendem project (https://tendem.ai/), creating seamless system integrations within our innovative hybrid AI + human ecosystem.

In this role, known as an AI Pilot at Mindrift, you will work hand-in-hand with Tendem Agents who manage repetitive tasks, while you lend your expertise in system integration, structured analysis, and quality assurance to ensure dependable and scalable data connectivity across diverse platforms.

This part-time, remote opportunity is perfect for professionals with practical experience in APIs, webhooks, and constructing multi-system data workflows.

What We Do

The Mindrift platform connects experts with AI initiatives from leading technology pioneers. Our mission is to harness the power of Generative AI by tapping into real-world expertise globally.

About the Role

This freelance position is part of the Tendem project. As an Integration Developer (API Specialist), you will design, develop, and enhance integrations between business systems, ensuring consistent data flow and synchronization across various platforms.

Key Responsibilities

Design and assess integrations between key business systems (CRMs, advertising platforms, email tools)
Develop and refine workflows utilizing APIs, webhooks, and real-time or batch data pipelines
Integrate and synchronize databases across platforms (e.g., Airtable, Google Sheets, Notion)
Guarantee reliable, real-time data transfer and consistency across systems
Diagnose and enhance data flow performance, latency, and error handling
Facilitate the integration of automated communication systems (e.g., messaging, outreach, or calling workflows)

Compensation

Participants in this project can earn up to $50 per hour, depending on their expertise and contribution pace. Compensation may vary across projects based on their scope, complexity, and required skills.

About Mindrift

Mindrift connects specialists with AI projects from top tech innovators, aiming to unlock the potential of Generative AI through real-world expertise.

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Sixt SE

Full-time|On-site|Barcelona

Role overview Sixt SE is looking for an Agent Check-In & Logistics Specialist to join the team at Barcelona Airport. The role centers on assisting customers through the check-in process and managing logistics to help daily operations run smoothly. What you will do Greet and support customers as they arrive at the airport branch Guide guests through the check-in steps with care and efficiency Coordinate vehicle logistics to keep cars available on schedule Collaborate with colleagues to create a positive rental experience Location This position is based at Barcelona Airport.

Apr 28, 2026

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