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Wallet icon Coin icon Rate 5 000 € - 6 600 € / month info

info The reward is calculated upon delivery of 20 MD per month (1MD=8h)

Timer icon Form of cooperation Freelance: Full-time
Briefcase icon Sector Information Technology
Location icon Location Bratislava, 95% Remote
Project duration 13-36 months with the possibility of extension
Period of cooperation 01.12.2026 - 31.12.2027
Start date 01.12.2026 - 01.01.2027
Project duration 13-36 months with the possibility of extension
Period of cooperation 01.12.2026 - 31.12.2027
Start date 01.12.2026 - 01.01.2027

Technology

  • Java EE
  • Spring
  • Quarkus
  • Keycloak

Languages

  • English flag English - conversational, B1
  • Slovak or Czech flag Slovak or Czech - native

Project description

  • cooperation in the analysis, design, development, and testing of the back-end [JAVA] of a unique Big Data solution in the field of air traffic operations
  • opportunity to participate in the unique integration of artificial intelligence (AI) and machine learning into aviation
  • collaboration in solution design with the main solution architect and its subsequent development and testing
  • collaboration within international [predominantly CZ/SK] DevSecOps teams working with the SAFe (Scaled Agile Framework) method  
  • participation in CI/CD including code reviews
  • collaboration can take place in an almost complete REMOTE [home-office] mode, or (if the freelancer is interested) ON-SITE (in the location Bratislava)

Project requirements

  • min. 6 years of experience in programming large [enterprise] systems in JAVA 
  • advanced experience with the Quarkus and/or Spring ecosystem
  • advanced knowledge and use of design patterns (design patterns: Factory, Singleton, Strategy, MVC, ...)
  • experience with: 
    • writing Unit tests
    • using Web Services (REST/SOAP)
    • microservices (Docker and/or Kubernetes)
  • knowledge of SQL and database principles
  • knowledge of Git or another repository system
     
  • a big advantage: experience in creating and/or participating in the creation of architecture for large systems
  • an advantage are experiences with:
    • big data processing (ideally HDFS & Kafka)
    • the KeyCloak tool
    • cloud services (AWS and/or Azure)
    • SQL/noSQL databases
    • Apache Kafka
    • front-end programming in ReactJS
    • end-to-end testing
    • code static analysis tools (FxCop, StyleCop, Sonar)
    • performing effective code reviews and adhering to coding standards
       
  • responsibility
  • communication skills

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