Senior Java Developer - iGaming - REMOTE

Location Remote
Job Type Permanent
Salary Very Competitive
Reference 30012

My Client in the iGaming industry is looking for Senior Java Developers to join their Sofia based team on a REMOTE bases. They are building a brand new tech team there, therefore they are looking for a few Java Developers to join them in the following teams: Content/ Product Integration; Fraud/KYC/Payment; CRM and Core. 

You will be challenged to help with adoption and application of the latest in the Server side, Big Data and AI technology, such as high scalable cloud-based infrastructure, stream analysis and machine learning. You will be a key contributor to aspects of design and delivery of all Server Systems, Services and Data Stores.


For easier communication, Candidates must be located around the CET time zone (+/- 2 hours).



  • 5+ years of hands on Java development (familiarity with C / C++ is a plus)
  • Demonstrated experience delivering systems at large scale (20K+ mps) using Kafka and Hazelcast
  • In depth understanding of the Distributed System Concepts: Leadership, Consensus, In-Sync Replicas, Partitioning
  • Strong understanding of key security concepts and patterns
  • Excellent understanding of enterprise and mobile facing systems architecture
  • + Gaming or Equity trading server side experience is a big plus


Technical expertise – Architecture & Systems Development

  • Deep expertise in and experience with Java server side development, real time SOA and micro services architecture (5 years+)
    • Expertise with REST API Concepts and Dropwizard/Jersey Framework, low-level networking (TCP stack) and Netty Framework
    • 5+ years of design and delivery of high volume highly available back end infrastructures – Telcos / Trading / AdTech systems, etc. Excellent understanding of enterprise architecture patterns, UML.


Technical expertise - Data Management

  • Experience with SQL and No-SQL DBs, specifically with Cassandra and MySQL
  • Experience with cloud-based Big Data tools.
  • Experience with Real Time Stream Analysis. Experience with ML and AI modeling a big plus.


Systems Operational maturity

  • Experience building operationally mature, well instrumented, very highly scalable, highly available, secure systems
  • Experience with Build Automation Tools: Gradle, Jenkins, Nexus, Docker Image Repositories
  • Experience with Google Cloud Platform, Kubernetes, Docker, DataDog, Stackdriver
  • Excellent understanding of SDLC, Java development and continuous integration best practices. Expertise with Jira and Confluence a big plus.



  • BS in Computer Science, Engineering or equivalent. MS in CS or Engineering a big plus
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