Android Developer - Java/Kotlin/Go - API - REST - JSON - Remote - Inside IR35. Android Developer - Java/Kotlin/Go - API - REST - JSON - Remote - Inside IR35. My fintech client has an immediate need for a contract Android developer on a 3 month rolling contract. You will need to be an experience Android developer with good experience across Java or Kotlin or Go, in addition you will have a strong background with API's, SDK, REST and JSON. Previous experience of working in the Ecommerce sector or across retail/banking platforms would be advantageous but not essential. Please forward your CV for immediate consideration.