Blockchain Security Engineer (Frontend) – Javascript (HK) | Cryptocurrency in Every Wallet™


Founded in 2016, today serves over 10 million customers with the world’s fastest growing crypto app, along with the Visa Card the world’s largest crypto card program the Exchange and DeFi Wallet. Recently launched, NFT is the premier platform for collecting and trading NFTs, carefully curated from the worlds of art, design, entertainment and sports.


Central Region, Singapore


Job Description

Description was founded in 2016 on a simple belief: it’s a basic human right for everyone to control their money, data and identity. With over 10+ million users on its platform today, provides a powerful alternative to traditional financial services, turning its vision of “cryptocurrency in every wallet” into reality, one customer at a time. is built on a solid foundation of security, privacy and compliance and is the first cryptocurrency company in the world to have CCSS Level 3, ISO27001:2013 and PCI:DSS 3.2.1, Level 1 compliance. is headquartered in Hong Kong with a 2500+ strong team globally. For more information, please visit


● Design and develop usable Web interface for wallet system.

● Develop deep understanding of the Blockchain technology (specifically public Blockchain)

● Work on low-level blockchain functionality such as transaction serialization and signing for various cryptocurrencies


● Degree in Computer Science or Engineering or similar discipline

● At least 5 years of experience working with front-end technology

● Proficient in React Native

● Good understanding of state management such as Redux / Mobx

● Fast learner and passionate for mobile application development

● Polyglot programmer (Javascript/Java/Rust/any esoteric programming language)

● Able to troubleshoot and debug issues, and demonstrate a methodical approach to root cause analysis

● A team player

● Eager for constant learning from both success and failure, remaining open to change and continuous improvement

● Enthusiastic about the future of blockchain

● Curious and comfortable with ambiguity


  • We offer an attractive compensation package working in a cutting-edge field of combining cryptocurrency and financial services.
  • Huge responsibilities from Day 1. Be the owner of your own learning curve. The possibilities are limitless and depend on you.
  • You get to work in a very dynamic environment and be part of an international team.
  • Flexible working.
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