Blockchain Engineer


  • Analyze, design, develop, maintain applications for blockchain-related products for cryptocurrency and binary options trading platform products. As well as analyze, design to provide blockchain-related solutions to products such as DeFi, NFT, dApp… with real-world problems.
  • Assess, analyze, upgrade and optimize source codes in the development process.
  • Participate in building ideas, solutions to improve work performance, product quality, user experience.


  • At least 2-3 years of experience with blockchain (Ethereum, Solidity, Solana…).
  • Knowledge of basic encryption such as electronic signature, encoding based on symmetric key or asymmetric key, key agreement…
  • Ability to explain consensus algorithms.
  • Strong knowledge and understanding of Javascript, Python, Rust, NodeJS.
  • Understanding of blockchain technology, especially Ethereum, Bitcoin, Solana.
  • Understanding of Decentralized Finance (Defi), Cryptocurrency exchange platform, NFT.
  • Experience with developing Ethereum smart contracts written in different programming languages such as Python, Javascript, and Solidity. Or similarly on the Solana platform.
  • Experience with developing Ethereum dApps. Or similarly on the Solana platform.
  • Teamworking capability, responsible attitude, proactive and communicative.
  • Strong knowledge of OOP, MVC patterns.
  • Knowledge of the product’s Unit testing.
  • Experience with debugging and code optimization. 
  • Ability to lead other developers in the team is a plus.


  • Attractive, competitive salary.
  • Bonus twice a year, from 14 to 15 months of salary.
  • Probation period with full salary and day-off.
  • Flexible working time (core time from 9:00 to 16:00).
  • New working devices including Macbook Pro M1, monitor…
  • Training opportunities, sponsorship for courses to become key member, manager.
  • Provided with social insurance, health insurance, unemployment insurance, maternity allowance according to the government.
  • Annual company trip, frequent teambuilding, internal events.
Middle, Senior

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