HN - Blockchain Developer (Go / Cosmos SDK) (2.500 - 3.300 USD)

Full time
2.500 - 3.300 USD
Ha Noi
10/11 - 31/12/2023
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a. About Fetch:

Our mission is to offer Vietnam’s most talented technologists a platform to connect with some of the world’s leading tech companies and build their expertise on a global scale. Over 4 years, Fetch has built a good reputation and is trusted by many Vietnamese and foreign companies; And Fetch will continue its good work to bridge the divide between the World and the Vietnam Tech sector.

b. About Client:

Our client is a Singapore based crypto currency exchange that providing fiat to crypto and crypto to crypto exchange. They aim to be the first exchange to let you trade Blockchain ideas, knowledge and values.


  • Collaborate in building a layer 1 blockchain (Cosmos-based) along with its associated side-applications.
  • Conduct research, design, and development of blockchain features.
  • Explore Cosmos SDK projects and the Cosmos ecosystem.
  • Work closely with the Product team to define and prototype feature specifications.
  • Participate in the integration of the blockchain with external systems.
  • Implement performance tuning and optimization.
  • Engage in code and design reviews to ensure quality.
  • Stay updated with the latest technology trends in the field.


  • Practical experience with Go (at least 4 years), capable of writing high-quality and well-tested Go code while adhering to best practices.
  • Minimum 2 years of participating in blockchain project development.
  • Strong computer science fundamentals, including networking, storage, operating systems, data structures, etc.
  • Ability to conduct research and transfer knowledge effectively to the team.
  • Excellent communication skills in English.
  • Ability to take ownership of features, work independently, and proactively contribute.
  • Passionate about the crypto space, with expertise in topics such as proof-of-stake, consensus algorithms, and cryptography.


  • Professional experience with Cosmos SDK or a solid understanding of Ethereum Virtual Machines (EVMs).
  • Degree in Computer Science, Engineering, Mathematics, or Statistics.
  • Experience with Node.js, Solidity, Rust, or DApp development.
  • Good understanding of building performant, scalable microservices.
  • Experience with Redis and multiple SQL/NoSQL databases.
  • Experience working with AWS and Kubernetes.


Being a Blockchain Developer at Fetch Technology, you will experience a youthful, flexible and creative work environment: 

  • MacBook or high-end laptop for working. 
  • Attractive salary and annual salary review. 
  • Working in a professional, friendly, well-equipped environment both with foreigners and Vietnamese.
  • With extensive on-the-job training, you will always have a chance to work with new emerging technologies.
  • Full social insurance, health insurance & unemployment insurance according to Vietnam Labor Law.
  • PVI Health care.
  • 12 days annual leave per year.
  • 13th-month salary.
  • Enjoy diversified activities: Free snacks, Weekly and Monthly Team-building, Company trips, Play Games (PlayStation, Board games), and Play Sports (Football, Badminton...).


  • Working hours: From 9 AM - 6 PM, Monday to Friday.
  • Location: 

+ HN: 13th Floor, TTC Building - No.19, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Hanoi.

Cosmos SDK
Ethereum Virtual Machines

13th Floor, TTC Building - No.19 Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Hanoi

Find the perfect fit with Fetch
Find the perfect fit with Fetch