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Manual QA Engineer - AI Trainer

DataAnnotation New York, New York, United States

remotefull-time

Salary: $50 - $100 / hour

Posted Aug 20, 2026Apply by Sep 19, 2026

**Role & seniority: ** Independent contractor “coding team” member (existing coder); no explicit seniority level stated.

**Stack/tools: ** Preferred Kotlin; also expects proficiency in at least one of: JavaScript/TypeScript, Python, C/C++, C#, Go, Java, Swift, React. Working with AI models via an online platform.

**Top 3 responsibilities: **

  • Design and solve diverse coding problems, with emphasis on Android development.

  • Produce high-quality code snippets and detailed explanations.

  • Review/evaluate AI-generated code for accuracy, performance, and clarity, and provide feedback.

  • Must-have skills:

    • English fluency (native/bilingual).

    • Strong writing/grammar for explanations and feedback.

    • Background in coding/software development (degree required: bachelor’s completed or in progress; dev experience preferred).

    • Ability to evaluate code quality (correctness, performance, clarity).

  • Nice-to-haves:

    • Prior Android/Kotlin experience.

    • Experience with additional listed languages/frameworks (React, etc.).

  • Location & work type:

    • Remote, from home/own computer.

    • Available only to contractors located in specified countries (includes US, Canada, UK, Germany, India, Australia, Brazil, etc.).

    • Independent contractor; flexible scheduling; projects paid hourly ($50–$100+/hr, varies by project).

Full Description

About The Job

We are looking for an existing coder to help advance AI development. As a member of DataAnnotation's coding team, you'll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you'll receive an email confirmation, and paid work will become available to you through our platform.

Advantages Of Contracting With Us

You'll be able to choose which projects you want to work on and when You work on your own schedule, on your own computer, from the comfort of your own home Projects are paid hourly starting at $50-$100+/hr, with higher rates available for certain projects

Responsibilities

Design and solve diverse coding problems used to train AI systems with an emphasis on Android development. Write clear, high-quality code snippets and detailed explanations. Evaluate AI-generated code for accuracy, performance, and clarity. Provide feedback that directly shapes the next generation of AI models.

Qualifications

Fluency in English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and grammar skills. A bachelor's degree (completed or in progress). Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Note

Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in Argentina, Australia, Brazil, Canada, Denmark, Germany, India, Ireland, the Netherlands, New Zealand, Norway, the Philippines, Poland, Romania, Sweden, Ukraine, the United Kingdom, and the United States. Those located outside of these countries will not see work or assessments available on our site at this time. This is an independent contractor position.

#SWE

KotlinJavaScriptTypeScriptPythonCC#C++ReactGoJavaSwiftAndroid DevelopmentData AnalysisData VisualizationEnglish Fluencymulti-location

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