Kotlin Expert (SME)

Invisible Technologies is seeking a highly experienced Kotlin Software Engineering professional to serve as a Subject Matter Expert (SME) on advanced software development and AI benchmarking projects. This role is pivotal in designing, documenting, and validating Kotlin-based tasks and functionalities that test and refine the coding capabilities of large language models (LLMs) — particularly within Android development environments.

Core Components: 1. Functional Design, Documentation & Benchmark Definition — define, document, and validate Kotlin-based Android functionalities used in AI benchmarking projects. Author comprehensive functional and technical documentation. Translate open-ended requirements into realistic, well-scoped Android tasks. 2. Technical Standard Setting, QA & Process Improvement — define Kotlin-specific quality metrics, benchmarking criteria, and rubrics aligned with Android production standards. Develop SOPs and QA frameworks. Conduct rigorous QA passes on deliverables. 3. Talent Definition, Vetting & Calibration — develop technical evaluation frameworks for vetting Kotlin developers. 4. Benchmark Dataset Development & Validation — collaborate with AI research teams to design and refine Android benchmarking datasets for evaluating LLM coding performance.

Target Profile: 5+ years of professional experience in Kotlin software engineering (Android, backend, or multiplatform). Mastery of Kotlin idioms, coroutines, Flow, Jetpack Compose, and asynchronous programming. Experience in technical documentation, benchmark dataset design, or QA of coding tasks.

Pay range: $25–$65 per hour ($52,000–$135,200 annualized). Contract role.