Mobile Engineer; Kotlin​/Android

Join to apply for the Mobile Engineer (Kotlin/Android) role at Data Annotation
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Join the Data Annotation team and contribute to developing cutting‑edge AI systems, while enjoying the flexibility of remote work and setting your own schedule.

We are looking for proficient programmers to help advance AI development. As a member of Data Annotation’s coding team, you’ll be part of a growing community of over 100,000 professionals—front‑end, back‑end, full‑stack, machine learning, and other engineers—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, creating and solving coding problems, building robust Android apps, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve.

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

• Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
• Flexible schedule: choose which projects you take on and when you work.
• Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher‑paying projects are available with strong performance.
• Impact: help shape the future of AI technologies.

• Design and solve diverse coding problems used to train AI systems, with 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.

• Fluency in English (native or bilingual level).
• Preferred experience in Kotlin.
• Proficiency in at least one of the following programming languages or frameworks:
  JavaScript, Type Script, 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.

• Payment is made via Pay Pal; we will never ask for any money. Pay Pal will handle currency conversions from USD.
• This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

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