Blockchain Engineer (Fintech)

TL;DR

Blockchain Engineer (Fintech): Designing and delivering quality blockchain solutions and smart contract development with an accent on clean, maintainable code, TDD, DDD, and continuous integration. Focus on building secure, scalable blockchain systems, collaborating with auditors, and mentoring junior colleagues.

Location: Remote across Ireland, Poland, Portugal, Romania, Serbia, Spain, UAE, UK; offices in Bucharest, Dubai, Dublin, Krakow, Lisbon, London, Madrid, Porto

Company

hirify.global is a global financial super app with 65+ million customers, focused on delivering innovative fintech products and a strong inclusive culture.

What you will do

• Design and deliver high-quality blockchain solutions and smart contracts
• Write testable, maintainable code following TDD and DDD principles
• Collaborate with auditors to ensure code quality and security
• Work closely with cross-functional teams on product development
• Suggest and develop new product features
• Support and mentor junior engineers

Requirements

• Must have 5+ years backend development experience in Java or Kotlin (JVM environment)
• At least 2 years of blockchain development experience
• Fluency in Solidity or similar smart contract languages
• Practical experience with distributed systems and consensus algorithms
• English proficiency at least B2

Nice to have

• Fluency in multiple smart contract languages
• Experience with enterprise-grade digital asset infrastructure like Fireblocks
• Contributions to large market cap crypto projects

Culture & Benefits

• Inclusive and diverse workplace with a strong D&I framework
• Remote work options across multiple countries
• Global team with offices in major European and Middle Eastern cities
• Focus on employee experience and growth