Freelance Software Developer & AI Trainer

Mindrift; Remote; USD 80,000 - 100,000; Part time

Job summary

A leading AI project collaboration platform is seeking Kotlin software developers for part-time, project-based opportunities. Ideal candidates should have a degree in Computer Science and over 3 years of experience in Kotlin or Java development. Responsibilities include designing technical content and collaborating with engineers. Developers will enjoy flexible working hours and competitive rates of up to $80/hour based on expertise and project needs. English proficiency at B2 level is required.

Qualifications

• 3+ years of experience in Kotlin or Java development.
• Experience building RESTful APIs and microservices.
• Stable internet connection required.

Responsibilities

• Design high-quality technical content demonstrating best practices in Kotlin development.
• Collaborate with engineers to ensure accuracy in code samples and tutorials.
• Explore modern Kotlin frameworks for practical examples.

Skills

Kotlin development

Java development

RESTful APIs

Microservices

Docker

Kubernetes

Cloud deployment strategies

B2 English proficiency

Education

Degree in Computer Science, Software Engineering or related fields

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 $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