Kotlin Blockchain Engineer (Senior / Mid)

Job Description

As a Blockchain Kotlin Engineer, you'll join a highly autonomous team of engineers dedicated to expanding the capabilities of our library Wallet Kit designed to unify blockchain logic for iOS, Android/JVM, and Web/JS platforms. You will play a pivotal role in developing new features, supporting a wide array of blockchain functionalities, and ensuring the library's adaptability across different platforms. Your contributions will directly impact the ease with which developers integrate blockchain technologies into their applications, fostering broader adoption and enhancing user experiences.


  • Minimum 4 years of software engineering experience, with a strong focus on Kotlin and SDK/Library development.
  • Solid understanding of blockchain technology, smart contracts, and decentralized applications. Familiarity with the intricacies of blockchain integrations and how they interact with various SDKs.
  • Strong problem-solving skills and the ability to work autonomously within a fast-paced, high-stakes environment.
  • Excellent communication skills, with a proactive approach to client support and team collaboration.
  • Adept in modern development practices, including automated testing and continuous integration for library development.


  • SDK Development: Spearhead the design, development, and optimization of Kotlin Multiplatform SDKs for blockchain wallets. Drive the open-source transition of SDK.
  • System Architecture: Design robust architectures ensuring that the SDK integrates seamlessly with various blockchains and third-party systems.
  • Feature Innovation: Take the lead in enhancing and expanding the capabilities of the SDK, making it adaptable to the ever-evolving blockchain landscape. Explore blockchain innovation to bring to the SDK and our clients.
  • Collaboration and Documentation: Craft clear, comprehensive documentation for SDK. Offer proactive support to developers, guiding seamless integration and troubleshooting potential issues to safeguard user assets.

Additional Information

Nice to have:

  • Previous engagement in blockchain-specific projects, especially related to wallet development.
  • Open-source contributions and long-term engagements
  • Experience with iOS/Android/Web platforms
  • Deep understanding of distributed systems and cryptographic principles.
  • Proficiency in working with different blockchain protocols and standards.
  • Previous experience in Golang, Rust or Solidity is a plus.

Login or Sign up first to apply