Kotlin Engineer

SME Careers; Remote; IDR 100.000.000 - 200.000.000; Part time

Job summary

A fast-growing AI Data Services company is seeking a remote Kotlin Engineer to review AI-generated responses and create high-quality Kotlin-focused content. The ideal candidate will have over 2 years of Kotlin development experience and a Bachelor's degree in Computer Science or a closely related field. Responsibilities include developing AI training content and optimizing AI performance. Strong English writing skills and experience with LLMs are essential. Join a collaborative team aiming to enhance AI models globally.

Qualifications

• 2+ years of hands-on Kotlin development experience.
• Strong understanding of Kotlin null safety, coroutines, and functional idioms.
• Professional software engineering experience using Kotlin for Android or backend services.
• Ability to critically evaluate idiomatic Kotlin style, design decisions, and architecture trade-offs.
• Significant experience using large language models (LLMs) to assist with coding, debugging, and code review.
• Excellent English writing skills to articulate complex technical concepts clearly.

Responsibilities

• Create detailed prompts and responses for AI training content.
• Evaluate and rank AI responses to enhance model accuracy.
• Test AI models for inaccuracies or biases to ensure reliability.

Skills

Kotlin development

English writing

Software engineering

Experience with LLMs

Education

Bachelor's degree in Computer Science or related field

Tools

Ktor

Android Jetpack

Job description

As a remote, hourly paid Kotlin Engineer, you will review AI-generated responses and generate high-quality Kotlin-focused content, evaluating the reasoning quality and step-by-step problem-solving behind each solution. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact‑check technical information; craft expert-level explanations and model solutions that demonstrate correct approaches; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs, helping to improve the world’s premier AI models.

Key Responsibilities

• Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
• Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
• Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile

• 2+ years of hands‑on Kotlin development experience.
• Strong understanding of Kotlin null safety, coroutines, and functional idioms.
• Professional software engineering experience using Kotlin for Android or backend services.
• Minimum Bachelor’s degree in Computer Science or a closely related field.
• Ability to critically evaluate idiomatic Kotlin style, design decisions, and architecture trade-offs.
• Significant experience using large language models (LLMs) to assist with coding, debugging, and code review.
• Excellent English writing skills with the ability to articulate complex technical concepts clearly.
• Highly preferred: Experience with Ktor, Android Jetpack, and advanced coroutine usage in production systems.
• Preferred: Merged pull requests in Kotlin open-source projects, competitive programming experience, or similar demonstration of strong problem-solving skills.
• Experience reviewing app logic or mobile/backend architecture, with previous AI data training or model evaluation work strongly preferred and Minimum C1 English proficiency.