Junior/Mid Blockchain Developer

Junior-Mid Blockchain Engineer (Java, Public Blockchain, Wallets)

London | GBP90,000 - GBP120,000 + 20% Bonus

A leading crypto custodian is looking for a Junior-Mid Blockchain Engineer with 3+ years of experience to build and scale secure digital asset platforms. This role is perfect for developers with strong Java skills who are passionate about public blockchains, wallets, and institutional crypto solutions.

• Develop and maintain scalable blockchain-based solutions for institutional digital asset management.

• Design and implement Java-based systems integrating with public blockchains (Bitcoin, Ethereum, L1/L2 networks).

• Work on wallet technologies , key management, and secure transaction processing.

• Collaborate with cross-functional teams to enhance system performance and security.

? 3+ years of experience in software development, with a focus on Java (Spring Framework) .
? Experience working with public blockchains (Ethereum, Bitcoin, Solana, etc.).
? Understanding of wallet technologies (custodial/non-custodial, key management).
? Familiarity with cloud environments (Azure, AWS, or GCP) and CI/CD pipelines.
? Exposure to financial services, DeFi, or institutional crypto products is a plus.

Great opportunity to level up your blockchain expertise in a high-growth environment!