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Wallet icon Coin icon Rate 5 200 € - 6 400 € / month info
Timer icon Form of cooperation Full-time
Briefcase icon Sector Information Technology
Location icon Location 100% Remote

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

Project duration 7 - 36 months with the possibility of extension
Period of cooperation 01.06.2026 - 31.12.2026
Start date 01.06.2026 or by agreement
Project duration 7 - 36 months with the possibility of extension
Period of cooperation 01.06.2026 - 31.12.2026
Start date 01.06.2026 or by agreement
Technology
  • Java EE
  • Spring
  • ReactJS
  • Quarkus
  • Keycloak
Languages
  • English flag English - conversational, B1
  • Slovak or Czech flag Slovak or Czech - active, B2/C1/C2

Project description

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

Project requirements

  • min. 5 years of experience in programming large [enterprise] systems in JAVA
  • min. 2 years of experience in programming front-end parts of large [enterprise] systems in any reactive framework (ideally ReactJS)
  • advanced experience with the Quarkus and/or Spring ecosystem
  • advanced knowledge and use of design patterns (design patterns: Factory, Singleton, Strategy, MVC, ...)
  • experience with:
    • using Web Services (REST/SOAP)
    • SQL (PostgreSQL, PostGIS) and NoSQL (MongoDB) databases
    • ElasticSearch search engine
    • writing Unit tests (JUnit, Mockito)
    • build automation (Jenkins, Nexus) and microservices (Docker, K8s, Helm)
  • knowledge of Git or another repository system
  • fluent knowledge (spoken and written - C2) of Slovak and/or Czech language
     
  • a big advantage are experiences with
    • programming in ReactJS
    • Vite builder
    • Module Federation pattern
    • state management (TanStack Query)
    • Ant Design components
    • OpenAPI
    • REST Assured
    • implementation of authentication protocols OAuth2 and/or OIDC
    • tools in the field of geospatial information (GeoServer, Luciad, GeoTools, OpenLayers...)
       
  • advantageous experiences with:
    • messaging (KafkaMQ, RabbitMQ...)
    • KeyCloak tool
    • cloud services (AWS and/or Azure)
    • creation and/or participation in the creation of architecture of large systems
    • development of information systems for the aviation sector
    • performing effective code reviews and adhering to coding standards
       
  • responsibility
  • communicativeness
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