Senior Backend Engineer

We are looking for a Senior Backend Engineer to contribute to our core analysis engine. Our ideal candidate is interested in building real-time architectures designed for massive scale and has strong interest in developing real-time analytics supporting real-time cyber threat detection and automated security responses.

As a Senior Engineer, you would also be expected to help coach and mentor junior members of the team.


  • Develop and maintain Cleafy core real-time analytics
  • Research and implement new cyber threat detection and protection features
  • Design and implement new product modules leveraging open-source technologies
  • Design and implement new REST APIs to support integrations


  • BS in Engineering, Computer Science or related discipline
  • 3+ years of experience with Java is a must
  • High scale server-side development experience
  • Solid understanding of software architecture architectures and performance concerns
  • Strong object-oriented design skills, coupled with a deep knowledge of data structures and algorithms
  • Confidence with NoSQL databases like Elasticsearch
  • Knowledge of Git and defect tracking tools
  • Background in cyber security and AI/ML is a plus
  • Ability to pick up new technologies quickly
  • Solid documentation and technical writing skills

Join our team

At Cleafy, we offer a great working environment shared with outstanding colleagues. We can offer something that really makes our job rewarding, that is the opportunity to use the latest technology and create a leading-edge technology being adopted by international banks to analyze large amounts of data and protect million of users against internet threats and frauds. Join our team and provide your contribute on how to best address these challenges.