Senior Backend Engineer

What We Do

Established in 2017, CryptoBLK in Hong Kong is a young and thriving technology start-up specialising in Blockchain solutions. Expanding our offices in Taiwan and China, we’ve built up the complete set of DLT software development and operation capabilities in Trade Finance, Supply Chain & Logistic, Insurance Technology, Central Bank-issued Digital Currency (CBDC), Payment & Settlement & Crypto-Tokens. Together, we empower our customers to unleash their Web3 potential through blockchain technology and to create a trusted digital ecosystem.

Why Work Here

CryptoBLKers are widely diverse and believe deeply in the power of “connected”. We’re united by a common DNA because we’re the people who revolutionise the global FinTech market with Blockchain and Cryptography. We’re all passionate about individual skillsets of every CryptoBLKer coming together to form a multi-dimensional presence. We’re just getting started and welcome other intellectually curious and open-minded individuals to join our family.

What You’ll Do

  • As part of the global team of blockchain developers to deliver highly reliable blockchain application software;
  • Ensure scalable and reusable codes;
  • Enhance and improve existing blockchain applications;
  • Participation in rapid software development lifecycle;
  • Plan and lead software delivery processes with project managers;
  • Follow agile development methodology and adapt to changing requirements and meet deadlines.

What You’ll Need

  • Degree in Information Technology, Computer Science, Business Information Technology or related discipline;
  • Experience in software development (Frontend & Backend);
  • Familiar with one or several programming languages: Solidity, Java, Node.js, Go, Python, C#;
  • Experience in one or several Blockchain technologies, e.g., Ethereum, Hyperledger Fabric, Corda;
  • Experience with cloud computing, e.g., AWS, Azure, Google Cloud.

What We Expect

  • At least 4+ years of experience building enterprise software products;
  • B.S. or M.S. in Computer Science or equivalent;
  • Experience in large scale distributed systems and microservices;
  • Hands-on experience with unit testing framework, automated testing;
  • Familiar with Java or equivalent OOP languages;
  • Knowledge in data security, cryptography, Blockchain, consensus algorithm is a plus;
  • Experience with the AWS or Azure cloud computing platform is preferred;
  • Knowledge in Solidity, Kotlin, Spring Framework, Spring Boot is preferred;
  • Experience with Ethereum/Quorum, Hyperledger Fabric, Corda and/or Cosmos is a plus.
  • Passion in learning new technologies;
  • Passion in building large-scale systems;
  • Self-motivated and fast learner;
  • Strong communication and collaboration skills.

What You’ll Receive

As an equal opportunities employer, we’re dedicated to provide fringe benefits so as to fostering a family-friendly culture and work environment. 

Market Leading Remuneration Package

  • Birthday Leave
  • Discretionary Bonus
  • Medical Insurance
  • Dental Insurance
  • Employee Share Option Subscription Scheme (ESOSS)

Supportive Working Environment

  • Flexible Work Arrangements
  • Education Sponsorship
  • Health Check
  • Laboratory Test

Work-Life Balance

  • Five-Day Week Schedule
  • Work From Home Policy
  • Company Activities
  • Birthday Party
  • Happy Friday

How To Apply

Interested candidates should send application with detailed resume, current and expected salary to HR department by email to Only short-listed candidates will be notified. Personal data provided by applicants will be used for recruitment purposes only.