Freelance Software Developer (Kotlin) - AI Trainer

Mindrift; Johannesburg; Remote; ZAR 453,022 - 645,213; Part time

Benefits offered by this job

Competitive hourly rates up to $24

Flexible part-time schedule

Opportunity to work on advanced AI projects

Job summary

A forward-thinking tech company in Johannesburg is seeking a Freelance Software Developer (Kotlin) to contribute to innovative AI projects. In this remote position, you will be responsible for designing exemplary technical content and collaborating with engineers. Candidates should have extensive Kotlin experience, a relevant degree, and a strong grasp of the JVM and Android SDK. The role offers competitive pay of up to $24/hour, providing a flexible environment for qualified professionals to enhance their portfolios while engaging with cutting-edge technology.

Qualifications

• 3+ years of Kotlin development experience, ideally in Android or server-side.
• Strong knowledge of the JVM ecosystem and Java interoperability.
• Experience with modern Kotlin frameworks.

Responsibilities

• Design high-quality technical content demonstrating best practices in Kotlin.
• Collaborate with engineers on code samples and tutorials.
• Refine content based on feedback and advancements in Kotlin.

Skills

Kotlin development

JVM ecosystem

Android SDK

Agile/Scrum

Git workflows

Education

Bachelor's or Master's Degree in Computer Science or related fields

Tools

Docker

AWS

Spring Framework

PostgreSQL

Job description

Freelance Software Developer (Kotlin) - AI Trainer

4 days ago Be among the first 25 applicants

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency.

At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.

What We Do

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real‑world expertise from across the globe.

About The Role

GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you'll have the opportunity to collaborate on these projects.

Responsibilities

• 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.

Requirements

• Bachelor's or Master's Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Information Technology, or other related fields.
• 3+ years of Kotlin development (Android or server‑side).
• Strong knowledge of the JVM ecosystem and Java interoperability.
• Experience with Android SDK, Jetpack Compose, modern architecture (MVVM, Clean Architecture).
• Proficiency with coroutines, flows, async programming.
• Familiarity with DI frameworks (Dagger/Hilt/Koin).
• Experience with Git workflows, code reviews, Agile/Scrum.
• Experience with CI/CD pipelines, Docker, cloud platforms (AWS/Azure/GCP).
• Secure coding practices (OWASP).
• Debugging and optimization skills.
• Ability to leverage AI‑assisted development tools.
• Experience building RESTful APIs, microservices, or distributed system interfaces.
• Experience with Spring Framework (Spring Boot, Spring Security, Spring Data).
• Experience with enterprise integration patterns and message queues (Kafka, RabbitMQ).
• Database experience with both SQL (PostgreSQL, Oracle) and NoSQL solutions.
• Experience with enterprise security frameworks and OAuth2/JWT.
• Familiarity with event‑driven architectures and CQRS patterns.
• Level of English is advanced (C1) or above.

Benefits

• Get paid for your expertise, with rates that can go up to $24/hour depending on skills, experience, and project needs.
• Take part in a part‑time, remote, freelance project that fits around your primary professional or academic commitments.
• Work on advanced AI projects and gain valuable experience that enhances your portfolio.
• Influence how future AI models understand and communicate in your field of expertise.

How To Get Started

Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you'll help shape the future of AI while ensuring technology benefits everyone.