Android Software Engineer

Salary: $104000 - 208000 per year Requirements: We require fluency in English at a native or bilingual level. We require proficiency in at least one programming language or framework, such as JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. We require strong writing ability and excellent grammar. We require a bachelors degree, either completed or currently in progress. We prefer prior experience as a Software Developer, Coder, Software Engineer, or Programmer. We require candidates to be based in the US, Canada, UK, Ireland, Australia, or New Zealand. Responsibilities: We design and solve a variety of coding challenges used to train AI systems. We write clear, high-quality code examples and thorough explanations. We assess AI-generated code for correctness, efficiency, and readability. We deliver feedback that helps improve the next generation of AI models. We work on programming tasks that may include building applications, solving complex problems, and analyzing data. Technologies: AI C# Java JavaScript Kotlin Python React Swift TypeScript Android Machine Learning More: We are Halcyon Labs, a growing team of more than 100,000 professionals working together to advance AI development through practical coding tasks and evaluation work. We offer fully remote contract opportunities with a flexible schedule, allowing you to choose projects and work times that fit your availability. Our platform supports a wide range of technical contributors, and your work directly helps shape intelligent systems that learn and improve. We offer competitive hourly pay, with opportunities for higher earnings based on strong performance. last updated 28 week of 2026