Java Developers

Company: Edsolabs JSC
Address: No 9 Lane 4 Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Hanoi
Quantity: 10
Project: P2P lending & pawn service

Why work with us:

  • A unique Defi project all over the world
  • Work with an elite start-up team who raised successfully $500,000 from angel investors and got funded $6,000,000 by community
  • Founder of project has great experience as well as international influence, at the same time is Co-founder of Travala, a successful Blockchain-applied business in travelling
  • Opportunities to work with international and Vietnam experts in Blockchain & Security



  • 3+ years experience in software development using Java
  • Proficient in Java, and Java Framework
  • A focus on detail including around automated tests and documenting your code
  • Experience debugging and optimizing web applications for speed and scale
  • An agile mindset and the ability to adapt to changing priorities and requirements
  • Pride in your work and a desire to contribute to a small team of dedicated and talented people
  • An understanding of what we’re doing (and why) and a passion to get involved
  • Fast learner excited to develop new skills
  • Product-oriented mindset


Mandatory skills:

  • At least 01 years relevant experience
  • Proficiency in Solidity
  • Strong back-end development experience using one of Java, GO, or Node js
  • Experience in developing Ethereum smart contracts written in Solidity
  • Hands on experience in basic cryptography such as digital signatures, encryption based on asymmetric or symmetric keys, key agreement, etc.
  • Understanding of blockchain technology, especially Ethereum, Bitcoin
  • Experience in developing apps that communicate with the Ethereum blockchain
  • Experience with agile and test-driven development
  • Experience with Agile development (Jira)
  • Experience with Test Driven Development (TDD) (Mocha, Chai, Jenkins)
  • Self-starter with the ability to define and run with tasks with minimal oversight
  • Fast learner excited to develop new skills
  • Excellent communicator who works well in extremely fast-paced team environments

Big plus:

  • Understanding of blockchain technology, especially Ethereum, Bitcoin, EOS
  • Knowledge of Blockchain fundamentals, smart contracts, consensus algorithms

Benefit and perk:

  • Attractive salary and package. Offer max $2000
  • Working time: 8:00-17:30 (off 1.5h from 12h to 13h30 for lunch) from Monday to Friday
  • Flat and hierarchy structure
  • Self-management is appreciated
  • Friendly, innovative, and supportive environment
  • Psychological safety; Your ideas are always welcomed
  • Interesting projects
  • 13th month salary, annual heath-check, insurance under Vietnamese Labor Law, monthly teambuilding.

If you are always willing to learn, if you like challenges, if you want to get an attractive package and be a part of exciting projects, don’t hesitate to send your CV to: huent2@edsolabs.com.

Thank you!