Senior Java Engineer (Blockchain)

For this project, we are currently looking for a Senior Java Engineer to work on a best-in-class blockchain platform.


Quantori is an international team: we have colleagues who work not only from offices but also remotely from all over the world.


  • As part of the development team, produce research, design, and estimates to deliver on functional requirements
  • Develop, test, debug, and implement code for existing and new functionality
  • Work within an Agile software development process, contributing to story and task creation

What we expect:

  • 5+ years of hands-on experience with Java-based applications, Spring and microservices, preferably in the fintech niche 
  • Experience in application performance tuning, including JVM tuning and memory profiling
  • Deep knowledge of Core Java, Spring (MVC, boot, data, cloud, security), and Hibernate
  • Experience with Hyperledger Fabric (chaincode development, HLF client implementation, event listener usage)
  • Background in using Gradle Build and Docker

Nice to have:

  • Hands-on experience in Java multithreading
  • CouchDB
  • Amazon Managed Blockchain

We offer:

  • Competitive compensation
  • Remote or office work
  • Flexible working hours
  • One-on-one English lessons
  • Healthcare benefits: medical insurance and paid sick leave
  • Continuous education, mentoring, and professional development programs
  • A team with an excellent tech expertise
  • Certifications paid by the company
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If you don't see an open position that suits your skills stack and/or professional background but you are interested in working with us — please send your CV to We will try to find something special and interesting for you!