Kotlin Engineer – Remote Contract – Up to $30/hr

About the role

We are looking for a skilled Kotlin Engineer to join our remote team on a contract basis. You will work on reviewing and improving AI‑generated Kotlin code, creating high‑quality Kotlin content, and ensuring technical accuracy across a range of software engineering topics.

Key responsibilities

• Review AI‑generated Kotlin code, explanations, and problem‑solving approaches for correctness, clarity, and adherence to prompts.
• Generate expert‑level Kotlin content, including reference solutions and structured reasoning steps.
• Evaluate AI responses for technical accuracy, reasoning quality, code quality, architectural decisions, and idiomatic Kotlin practices.
• Identify and flag issues related to null safety, coroutine misuse, concurrency handling, and architectural trade‑offs in Android and backend designs.
• Fact‑check technical information on Kotlin, Android development, backend engineering, and software architecture.
• Compare and rank multiple AI‑generated responses based on implementation quality, readability, and maintainability.
• Produce detailed explanations of best practices, functional idioms, and modern architectural patterns.
• Support AI model improvement through annotation workflows, quality‑assurance reviews, and structured documentation.

Required profile

• Bachelor’s degree in Computer Science or a related technical field.
• At least 2 years of hands‑on Kotlin development experience.
• Strong understanding of Kotlin null safety, coroutines, asynchronous programming, and functional programming idioms.
• Professional experience using Kotlin for Android development or backend systems.
• Ability to critically evaluate idiomatic Kotlin style, software architecture decisions, and implementation trade‑offs.
• Significant experience with large language models for coding assistance, debugging, and code‑review workflows.
• Excellent English writing skills (minimum C1 proficiency) and a highly detail‑oriented working style.

Required skills

• Kotlin
• Ktor
• Android Jetpack
• Coroutines
• Null safety
• Asynchronous programming
• Functional programming
• Android development
• Backend development
• Large language models (LLM) usage