Back-end Software Engineer (Java) job in Warsaw / remotely

Back-end Software Engineer (Java)

Project - the aim you'll have

Our clients are the largest mobile network operators in Poland and in Europe. We deliver solutions and services that transform their networks and provide innovative services to millions of subscribers. 

The goal of the project is to develop all control server applications for leading telecommunications operators in Poland and Europe. Those applications include Virtual PBX and Call Recording services. 

Position - how you'll contribute

You’ll join a team of software developers working on implementing call control and BSS / OSS functionalities for mobile operators.  

You’ll work closely with other teams including DevOps and QA, and you will also participate in sprint reviews with the client. 

We focus on autonomy; we force you to perform tasks a certain way – you decide, and you are responsible at each stage of the Software Development Life Cycle. 

We play as a team and we expect the same from you – group brainstorming, quick code review, rubber duck debugging, or a short pair programming session are tools that are regularly used by every member of our team. 

Expectations - the experience you need
  • Experience creating server solutions with Java technology (at least JDK 8, JDK 11 welcome) with an emphasis on backend, based on REST / SOAP Web Service 
  • Experience working with SQL databases and good knowledge of JDBC / JPA / Hibernate 
  • Experience with typical application servers, e.g. Tomcat / WildFly / JBoss or Spring Boot 
  • Experience with JUnit / Mockito and familiarity with integration testing tools: SoapUI, Postman, JMeter 
  • Knowledge of teleommunications protocol 
Additional skills - the edge you have
  • Knowledge of Docker / Kubernetes 
  • Experience with ELK (Elasticsearch, Kibana, Beats & Logstash) 
  • Experience in event- driven programming, in particular with JSLEE technology 
  • Knowledge of the architecture of GSM / 3G / LTE / IMS networks 
  • Knowledge of telecommunications protocols: SS7 (INAP / CAP / MAP), Diameter 
Our offer – professional development, personal growth
Decide on the form and conditions of your employment
Flexible employment and remote work
Work with the latest technologies for industry leaders
International projects with leading global clients
Travel to clients’ and work in their environments
International business trips
Work comfortably in a relaxed and inspiring atmosphere that does not enforce a dress code
Non-corporate atmosphere
Develop your skills at work – language classes come to you
Language classes
Develop your competences and skills through skill centers and webinars
Internal & external training
Take care of the health of you and your loved ones
Private healthcare and insurance
Work out, swim and enjoy other fun activities
Multisport card
Take part in activities that support your physical and mental health
Well-being initiatives
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