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Backend Engineer Java

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Bleap

Bleap helps users spend crypto directly with a non-custodial debit card connected to their wallet without conversion fees.

Piotrkowska, nr 116, lok. 52, Łódź, 90-006, Poland
About Bleap

Bleap helps crypto users spend digital assets in real-world transactions through non-custodial wallet infrastructure connected to a Mastercard debit card. With it, users can spend stablecoins directly, earn cashback on purchases, and access DeFi savings products. Bleap bridges Web3 and traditional payments by maintaining user custody while enabling traditional card transactions.

View jobs by Bleap

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You integrate payment providers, build APIs for mobile and web applications, support integration between the in-house ledger and blockchain, maintain CI/CD and security infrastructure, and work with Product to ship and iterate quickly. You also help define the platform roadmap and architecture and establish maintainable, test-driven coding standards.

Requirements

  • 5+ years of backend experience
  • Fluency in Java
  • Experience with Java 24, AWS, Docker, PostgreSQL, Redis, Spring Boot, and Hibernate
  • Experience with crypto is preferred but not mandatory
  • Start-up or scale-up experience is preferred but not mandatory
  • Based in Europe or able to work in European time zones

Responsibilities

  • Integrate third-party providers for card issuing, card acquiring, and banking payment flows
  • Build APIs for mobile and web applications
  • Support integration of the in-house ledger with the blockchain
  • Maintain the CI/CD pipeline and security infrastructure
  • Work closely with Product to ship quickly and iterate frequently
  • Help define the platform technical roadmap and architecture
  • Establish high-quality, maintainable, and test-driven code standards
  • Take ownership of projects and drive them

Benefits

  • Equity
  • Remote work