JOB DESCRIPTION

• Design and develop blockchain-based applications and services.
• Write and deploy smart contracts (Solidity) on platforms such as BSC, Ethereum, Solana, etc…
• Research and apply cutting-edge technologies in building blockchain systems and DApps.
• Stay up to date with the latest blockchain trends and innovations.
• Collaborate with cross-functional teams to ensure product quality and timely delivery.

Headquartered in Hanoi, TDT Asia has built a reputation for cutting-edge solutions and customer-centric services. The company has successfully developed a portfolio of standout projects that showcase its expertise and innovation. These include a core lending system with 100% automation capabilities, enabling seamless customization to adapt to different company scales and market demands; an all-in-one trading platform that empowers users to trade U.S. stocks during Asian hours, offering unmatched convenience and accessibility; and an innovative generative AI platform that allows users to create personalized characters and seek expert advice across various industries, such as mental support, finance, and education.

Requirements

  • At least 2–4 years of experience in blockchain development (preferably on EVMs), or 4+ years in backend development with at least 1 year in smart contract programming.
  • Proficient in Solidity and familiar with EVM chains and gas optimization techniques.
  • Experienced in upgradeable contract patterns (Proxy, EIP-1967, Diamond/EIP-2535).
  • Deep understanding of token standards: ERC-20, ERC-721, ERC-1155, ERC-2612 (Permit), ERC-3643.
  • Proficient with Git, and clean documentation practices.
  • Comfortable reading technical specifications such as ERCs, EIPs, and whitepapers.
  • Strong team player with experience collaborating with product and Backend teams, including code reviews and architecture discussions.
#NICE TO HAVE
  • Experience working with Ripple/XRP Ledger: Trustline, Token Issuance, Hooks, or Xahau.
  • Knowledge of Decentralized Identity (DID) and Verifiable Credentials (VCs).
  • Familiarity with other blockchain ecosystems: Solana, Polkadot, Cosmos, etc.
  • Have contributed to open-source blockchain projects is an advantage.
  • Experience writing unit tests and fuzzing tests with Hardhat, Foundry, or similar frameworks.
  • Understanding of crypto knowledge like hashing, ECDSA, Merkle Trees.
  • Solid grasp of common blockchain vulnerabilities: reentrancy, overflows, front-running, oracle manipulation, etc.

Benefit

#INCOME
  • Salary up to 2000$, negotiation based on candidate's capacity; attractive & competitive benefit.
  • Performance Review every year with many opportunities to increase income from 50% to 80%.
  • 13th month salary bonus: 1 month salary.
  • Make-up allowance for girls 1,000,000 VND/month.
  • Be issued with a health insurance card designed specifically for TDTers (Health insurance card AON).
  • For employees at Manager level and above, there is a separate benefit package.
#CAREER PATH IMPROVEMENT
  • As a member of TDT, you will have the opportunity to develop yourself at 2-3 times faster than the common ground:
  • Get exposed to Fintech projects.
  • Working with BOD and seniors in the field of Finance Technology.
  • Working in an international environment: Working with partners from many different countries.
  • Participating in a long-term training program for Core-team according to the development orientation of each individual.
  • Have the opportunity to advance to higher positions such as: Teamlead/ Manager/...
#OTHERS BENEFITS
  • The office is designed in the style of Co-working, with many entertainment facilities such as: coffee machine, treadmill, ping pong table...; dining area with free food and drinks; Hot and cold bathroom, washing machine.
  • Equipped with modern equipment such as high configuration Laptop, Macbook...
  • Be able to join hobby clubs such as football club, running club, happy stock trading club/ forex / crypto, game tournaments...
  • 100% support for company trips: Summer Holiday, Year End Party.
  • Receive gifts, participate in events on the occasions of June 1, Mid-Autumn Festival, March 8, October 20, Christmas, Company birthday.
  • Working hour: 08h30 - 17h30, From Monday to Friday.
#ADDRESS
  • Head office: 5th floor, PVI Tower, No. 1 Pham Van Bach Street, Yen Hoa Ward, Cau Giay District, Hanoi City.
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