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Freelance Software Developer; Kotlin - AI Trainer

Job in Philadelphia, Philadelphia County, Pennsylvania, 19117, USA
Listing for: Mindrift
Part Time, Contract position
Listed on 2026-02-12
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Android Developer, Kotlin
Salary/Wage Range or Industry Benchmark: 80 USD Hourly USD 80.00 HOUR
Job Description & How to Apply Below
Position: Freelance Software Developer (Kotlin) - AI Trainer

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 $80/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
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