Hex Trust

Senior Mobile Engineer Android

Job Description

Posted on: 
2023-04-18 09:22

You will be responsible for the mobile app development, implementation, and testing for both Gryfyn and Hex Safe 3 applications, starting from transaction approvals (2 different apps). We will progressively add features and make it biome a fully-fledged mobile app covering wallet features (Gryfyn) and custody features (Hex Safe 3) You will be one of the key stakeholders to bring the mobile apps to life and grow it from there. This role will deal with interacting with phone security components: biometrics, verification, and secure enclave on Android.


  • To design and develop, implement, test, and maintain cross-platform mobile applications for Authentication, Authorization and Blockchain wallets.
  • Work closely with design and product teams to Set the client experience standard across the mobile apps platform
  • Create new and modify existing APIs/SDKs to enable and support various mobile features
  • Perform stable and efficient codes, meeting functional and business requirements and standards;
  • Work closely with teams across departments to define and implement business-changing features.
  • Bachelors degree in Computer Science or related field/experience;
  • 3+ years of Android ecosystems development experience;
  • 3+ years of experience in native mobile applications development, Unity/Unreal skill is a plus;
  • Must be familiar with cross-platform frameworks: Flutter or React Native is a strong plus
  • Experience in native development, such as Kotlin/Java on Android, will be an advantage;
  • Experience with usability, and improving the performance of the overall application;
  • The mobile-first approach in solving problems;
  • Hands-on experience in design, development roll-out, unit testing, maintenance, troubleshooting, and improvement.


Make a difference and get yourself noticed in a rapidly growing company, providing multiple opportunities for career and personal development. We are a dynamic, multi-cultural team of smart, motivated people based in brand new offices in the heart of Hong Kong’s Central business district. We’ll give you tough challenges, while offering rewarding results to match, as well as regular team and social events and flexible working arrangements when needed.

  • Diverse and inclusive team: A diverse and international team who come from over 15 countries with diversity of both thought and background on a mission to disrupt the digital asset industry. We support each other and take pride in our achievements. We attract talent from well known global multinational companies and institutions.
  • Ownership & learning-curve: Opportunity to make an active contribution to the growth story of one of the leading disruptors in the FinTech industry.
  • Communication: We treat our staff like owners by being open, transparent, and providing regular communication about our direction and progress. We provide regular insight into decision making, strategy, and corporate-wide objectives and key results progress so that each of our employees is aligned and empowered. And we constantly strive to improve how we can communicate more effectively.
  • Office: We offer both the flexibility to work remotely or to work in >careers@hextrust.com.
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