Backend Developer; Kotlin​/Java, Android APIs

Backend Developer (Kotlin/Java, Android APIs)

Data Annotation is looking for a Backend Developer (Kotlin/Java, Android APIs) to join our team and contribute to developing cutting‑edge AI systems. You can work remotely from the US, Canada, UK, Ireland, Australia, and New Zealand.

• Fully remote: work from anywhere within the listed countries.
• Flexible schedule: choose the projects and times you work.
• Competitive pay: hourly rates starting at $40+ USD, with higher rates for strong performance.
• Impact: help shape the future of AI technologies.

• 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.

• Fluency in English (native or bilingual level).
• Preferred experience in Kotlin.
• Proficiency in at least one of the following 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 from you. Pay Pal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.