I need a Cardano developer to edit an open-source wallet app for Cardano transactions. The modifications should be done in Kotlin. Key Requirements: - Experience with Cardano development, specifically in wallet applications. - Proficient in Kotlin. - Familiarity with open-source codebases and contribution. Ideal Skills: - Strong background in blockchain technology. - Experience with Cardano's architecture and transaction processes. - Ability to deliver secure and efficient code. Please provide examples of similar work done.