Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)

Mindrift

Canada

Remote

CAD 51,143 - 72,840

Part time

14 days+

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Benefits offered by this job

Competitive pay based on expertise

Flexible working hours

Gain experience in advanced AI projects

Job summary

A forward-thinking tech company seeks a Freelance Software Developer skilled in Kotlin and iOS development. This remote role offers flexibility, with responsibilities including designing automated tests for applications and collaborating with developers to resolve issues. Candidates must hold a relevant degree and have a strong understanding of Swift and associated frameworks. With competitive pay of up to $45/hour, this position allows for professional development in advanced AI projects while fitting around your schedule.

Qualifications

Mid-level proficiency in Swift 5.9+, including SwiftUI, Combine, async/await.
3+ years of professional iOS/macOS development experience.
Experience with App Store deployment and monitoring tools (Crashlytics, Firebase).
Strong understanding of architectural patterns (MVVM, Clean Architecture).

Responsibilities

Design and maintain automated tests for Kotlin and Android applications.
Collaborate with developers to resolve functional, performance, and UI issues.
Monitor app behavior in production using data-driven insights.

Skills

Kotlin proficiency

UI automation testing

Crash analysis skills

Memory debugging

Performance profiling

Education

Bachelor's or Master's Degree in Computer Science

Tools

Xcode

Swift Package Manager

CI/CD tools (Fastlane, GitHub Actions)

Testing frameworks (XCTest, Quick/Nimble)

Job description

Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)

2 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 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.

Note: Flexibility and quick adaptation to new requirements are essential.

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.

Requirements

Bachelor's or Master's Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Information Technology or other related fields.
Mid-level proficiency in Swift 5.9+, including SwiftUI, Combine, async/await, and the concurrency model
3+ years of professional iOS/macOS development experience
Hands‑on experience with testing frameworks (XCTest, Quick/Nimble) and UI automation testing
Proficiency with Xcode, Swift Package Manager, and CI/CD tools (Fastlane, GitHub Actions, Xcode Cloud)
Experience with App Store deployment and monitoring tools (Crashlytics, Firebase)
Strong understanding of architectural patterns (MVVM, Clean Architecture) and performance optimization (ARC, Instruments)
Experience integrating AI/ML capabilities (Core ML, Vision, Create ML)
Practical use of AI‑assisted tools for code generation, refactoring, and test automation
Strong skills in crash analysis, memory debugging, and performance profiling
Level of English is advanced (C1) or above
You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines.
Our freelance role is fully remote so you just need a laptop, internet connection, time available and enthusiasm to take on a challenge

Benefits

Why this freelance opportunity might be a great fit for you?

Get paid for your expertise, with rates that can go up to $45/hour depending on your 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

Seniority level