Backend Engineer


Feb 01

Mong Suan Yee COSS.IO
Mong Suan Yee
February 01, 2018

Job Description

COSS stands for Crypto One-Stop Solution and represents a cryptocurrency exchange platform, with all features of a digital economic system based on crypto.

We are expanding our engineering team in Singapore fast and would like you to join us in our fast-paced, dynamic and creative team!

You should have a deep expertise with Node.js and experience with distributed systems, blockchain, microservices architecture, REST APIs, and software library development.


  1. Build, test and ship software using Node.js, Postgres, activeM/QRabbitMQ/SQS, Redis.
  2. Work with our leaderership to turn our product and technical vision into a tangible roadmap every quarter.
  3. Add positive energy, and help make your team members better developers. Requirements
  • You have at least 4 years full-time Node.js development
  • You’ve designed and implemented micro-service architectures
  • You’re a master of asynchronous programming using (/async/await, etc.)
  • You have a strong grasp of distributed system development
  • You’ve designed and developed HTTP REST APIs
  • You have strong experience with SQL databases, eg. PostgreSQL (and noSQL, nice to have)
  • You’re experienced in the design, development, and maintenance of open-source software libraries
  • You have strong test oriented development using testing frameworks for API unit and Integration tests
  • You’re a Git master
  • You’re comfortable operating in dynamic environments, and are self-directed

Nice to haves

  • Experience working with Bitcoin, Ethereum, or other blockchain tech
  • Experience with cryptography (SHA2 Hashing, public key and symmetric key cryptography, etc )
  • Experience in Ethereum development with Solidity programming language
  • Experienced in Front-end UI/Javascript development using modern frameworks – React, Vue.js or Angular
  • Experience with Docker, Docker-Compose or Kubernetes
  • Experience building applications on Google Cloud or AWS.

Listed in: Web3 Jobs, .

4 applications
Job Posted by:
Mong Suan Yee COSS.IOMong Suan Yee

February 01, 2018

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