Golang Backend Developer


  • Warszawa, mazowieckie

  • ogłoszenie wygasło rok temu
  • Kontrakt B2B
  • Pełny etat
  • Specjalista (Mid / Regular)
  • rekrutacja zdalna


Online Charging System (OCS) is a bridge between IT and the Telco world. OCS meets the high performance and availability regimes typical of telecommunications systems and combine it with the complex business logic, characteristic of IT systems. Taking all of this into consideration it makes the development of the OCS an outstanding challenge. We are looking for people ready to join our innovative OCS implementation project at T-Mobile. If working with sophisticated solutions and solving complex problems, sounds appealing to you – apply now!

Golang Backend Developer


  • System detailed design
  • Agile development/programming
  • Support continuous integration and delivery environment
  • Support devops engineers
  • Data and services migration


Experience in tools/technologies: 

  • Programming in Golang (experience in C++ will be an advantage)  
  • Databases (MongoDB, Redis, etc)  
  • Protocols: REST or DIAMETER or similar
  • Tools: Gerrit, Jira, Ansible, Git, Maven, Kubernetes, Docker
  • Education in Computer Science or Telecommunication
  • 3+ years experience  
  • Defining and developing High Availability, Scalability and High Performance systems

Experience of one of bellowed areas will be an advantage:

  • Designing, implementing and maintenance of Real Time charging system  
  • Creation of distributer, containerized (Kubernetes), microservices application  
  • Migration of rating and/or billing systems
  • 3GPP OCS/PCRF standards, TMF (TAM, SID)
  • Experience in development of other billing areas (Billing, Invoicing, Account Receivables, Dunning)  


  • Opportunity to
    remote working
  • Private Medical
    Care on favourable
  • Free parking spot
  • Long-term cooperation based on B2B contract
  • Sport cards
    on favourable terms
  • and more …

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