Freelance Software Developer (Kotlin) - AI Trainer
Mindrift
Posted: February 10, 2026
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Quick Summary
Freelance Software Developer (Kotlin) - AI Trainer
Required Skills
Job Description
Please submit your CV in English and indicate your level of English proficiency.
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.
What this opportunity involves
While each project involves unique tasks, contributors may:
• Design high‑quality technical content, examples, and explanations that demonstrate best practices in Kotlin development.
• Collaborate with engineers to ensure accuracy and consistency across code samples, tutorials, and developer guides.
• Explore modern Kotlin frameworks and tools to create practical, real‑world examples for learning and testing.
• Continuously refine content based on feedback, emerging patterns, and advances in the Kotlin ecosystem.
• Apply professional judgment to assess AI responses.
What we look for
This opportunity is a good fit for Kotlin software developers open to part-time, non-permanent projects. Ideally, contributors will have:
• Degree in Computer Science, Software Engineering or related fields
• 3+ years of Kotlin/Java development experience
• Experience building RESTful APIs, microservices, or distributed system interfaces.
• Familiarity with Docker, Kubernetes, and cloud deployment strategies.
• English proficiency - B2
• Stable internet connection
How it works
Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid
Project time expectations
Tasks for this project are estimated to take 6-10 hours to complete, depending on complexity. This is an estimate and not a schedule requirement; you choose when and how to work. Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted.
Payment
• Paid contributions, with rates up to $50/hour*
• Fixed project rate or individual rates, depending on the project
• Some projects include incentive payments
*Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.