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Freelance senior software developer (kotlin) - ai trainer

Perth
Independant
Mindrift
Software Developer
Posted: 22h ago
Offer 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

* Design and maintain automated tests to ensure the quality, performance, and reliability of Kotlin and Android applications.
* Collaborate with developers to identify, reproduce, and resolve functional, performance, and UI issues across multiple environments.
* Define and improve quality standards across build pipelines, ensuring smooth CI/CD integrations and release stability.
* Monitor app behavior in production and use data‐driven insights to guide testing priorities and improvements.
* Apply professional judgment to assess AI responses.

What We Look For

* Degree in Computer Science, Software Engineering or related fields
* 5+ years of Kotlin including coroutines, extension functions, and sealed classes.
* 3+ years of Android/JVM development experience
* Familiarity with JUnit 5, Kotest, MockK, and Android testing (Espresso, Robolectric).
* 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 $45/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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