Senior Java Developer

Oferta pracy od eREKRUTER IT
  • Polska, Zdalnie
  • Oferta przeglądana 
  • Cv złożone 
Workplace: Remote
Salary: 130-145 pln/h netto on B2B + VAT


Our client is an international supplier of communication and information systems for control centres with safety-critical tasks. These ‘Control Centre Solutions’ are developed and distributed by our client in the business segments: Air Traffic Management (civil and military air traffic control, aeronautical information management, air defence) and Public Safety & Transport (police, fire and rescue services, emergency medical services, vessel traffic and railways). With headquarters in Vienna, the company employs more than 1800 people worldwide, with subsidiaries, regional offices, and representatives in over 50 countries. 



Safety & Transport / Air Traffic Management (platform for safety critical domains)



MosaiX is the next generation platform for safety critical domains. Driven by the highest quality needs in air traffic management our client reaches out to all use cases where reliability, real time performance and security are major success factors.You will work on a microservices based framework used across the company to run and integrate multiple products. You will develop reusable services, software packages and libraries to be used by other teams in the company.

The product runs on RedHat, handles the deployment and configuration of the OS and supports the configuration and orchestration of services packaged as Docker images.

Deployment for a safety critical environment, following industry standards, where high availability and redundancy is a basic requirement.

You will develop loosely coupled, highly available Java services, with lightweight REST and AMQP, (RabbitMQ) interfaces, that use CQL (Cassandra) to store data. If you like to step out of your comfort zone, we also have components written in Go if you want to learn a new language.


Team: Scrum Team of 6 Engineers (Software Developers, System Engineers/Dev-Ops and Scrum Master)



Java (migrating to Java 17), RedHat , Docker V19, RabbitMQ , CQL (Cassandra), React, Jenkins


Expected job experience:

  • 5+ years of software development experience in Java
  • Knowledge of object-oriented concepts, design patterns and SOLID principles
  • Passionate about clean, unit tested and maintainable code
  • Experience with SOA and microservices
  • Experience with REST, messaging/AMQP, websockets
  • Experience with distributed systems and understanding of concepts (CAP theorem, redundancy, high availability, consensus protocols, etc.)
  • Know-how on continuous integration and delivery
  • Good English skills (both written and spoken)


Nice to have:

  • Experience with Go is a plus 
  • Basic knowledge of Linux and Bash
  • IP networking know-how 
  • Domain Driven Design experience is a plus  
  • Experience with database systems, NoSQL is a plus



  • International clients with challenging projects
  • Enthusiastic work atmosphere, good team-spirit 
  • Medical and sport benefits or adequate compensation for them 
  • Integration events, training budget

Feel free to apply, we will be happy to meet you and tell you more :-)