Freelance Kotlin Software Developer

Job Summary

A company is looking for a Freelance Senior Software Developer (Kotlin) - AI Trainer.

Key Responsibilities

• Design and maintain automated tests for Kotlin and Android applications
• Collaborate with developers to resolve functional, performance, and UI issues
• Define and improve quality standards across build pipelines for CI/CD integrations

Required Qualifications

• Degree in Computer Science, Software Engineering, or related fields
• 5+ years of experience with Kotlin, including coroutines and extension functions
• 3+ years of Android/JVM development experience
• Familiarity with JUnit 5, Kotest, MockK, and Android testing frameworks
• English proficiency at B2 level