Highlights:
• Permanent job opportunity
• 5 days work week, normal office working hour
• Great remuneration & benefits
• Well-versed in blockchain software development / crypto wallet are welcome.
• Location: Central Business District
Responsibilities:
• Design and implement secure non-custodial wallet architecture
• Develop on-device private key generation, storage, and signing workflows
• Implement HD wallet standards (BIP32, BIP39, BIP44)
• Build multi-chain wallet logic, prioritizing Bitcoin and EVM-compatible chains
• Construct, sign, and broadcast blockchain transactionIntegrate with blockchain
• RPCs and node provider
• Develop minimal, stateless backend services to support wallet operation
• Ensure strict separation between client-side key management and backend service
• Apply security best practices across cryptography, data flows, and application logic
• Collaborate on early-stage architecture decisions and technical roadmap planning
• Prepare the platform for future expansion (DApp integration, hardware wallets)
Requirements:
• 5–10+ years of professional software development experience
• Proven experience in blockchain or Web3 application development
• Demonstrated experience building or contributing to non-custodial wallets
• Strong understanding of cryptography and key management
• Hands-on experience with: Bitcoin and EVM-based blockchains, Web3.js and/or Ethers.js, Transaction construction and signing flows
• Experience with mobile application development (Flutter or React Native)
• Proficiency in Node.js and TypeScript
• Security-first mindset with attention to correctness and threat modeling
• Ability to work independently in an early-stage product environment
HOW TO APPLY:
Interested applicants, please click on “Apply Now” or email to dicksern@trustrecruit.com.sg with provided your latest resume in MS WORD format with below information.
• Last drawn salary
• Expected salary
• Notice period
• Reason for leaving
We regret only shortlisted candidates will be notified.
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Please read our privacy statement on our corporate website www.trustrecruit.com.sg.
Trust Recruit Pte Ltd
EA License No: 19C9950
EA Personnel: Lim Dick Sern (Dick Sern)
EA Personnel Reg No: R22106832
