• Develop, maintain and accredit Smart Contracts and application website blockchain
  • Take part in developing and optimizing blockchain protocols as well as building the architecture of blockchain systems.
  • Build, maintain and develop blockchain applications for Sidechain: Browser Wallet, Mobile Wallet, Bridges, Swap,…
  • Maintain stable and quality codebase, improve backend system performance.
  • Work on a back-end system with high availability requirements, ensuring scalability, security and maintenance within the system.


  • Graduate in Information Technology or related majors.
  • Blockchain development skills: Experience with Solidity, Web3, Etherjs, etc.
  • Backend development skills: Experience with Backend systems written in NodeJS, Java
  • Knowledge of data structures, blockchain architecture and algorithms, smart contracts, web structures and cryptography.
  • Database framework expertise using any ORM
  • Experience in operating/structuring Databases (SQL and NoSQL), Storage, Analysis systems, Load Balancing,…
  • Creative thinking, passion for Backend and system development
  • Working with SCRUM/ Agile model


  • Attractive salary and package
  • 2-month probation receives 85% salary, after 6 months will get back 30%.
  • Attractive Year End Bonus based on performance
  • Chances to work with customers overseas from South Korea, Europe,..
  • Salary review 2 times/year or on excellent performance
  • International, dynamic, friendly working environment
  • Annual leave, working conditions follow Vietnam labor laws.
  • Other allowances: lunch allowance, working on-site allowance, healthcare personal allowance, vacation allowance, device allowance etc.

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