Dive into telecom & JAIN SLEE!
Take on a paid training job

Are you based in Romania, Poland or Moldova? R Systems JAIN SLEE Accelerator is a paid training job for Java developers to acquire a unique skill and work for the industry that impacts billions – telecom.

Take a guided dive into the world of telecom, along our very own JAIN SLEE experts. Get a deep understanding of what’s below the surface, master the technology and, as you become a JSLEE expert yourself, you’ll get the opportunity to dive in… literally. 

Full diving experience awaits with certified scuba instructors.

Telecom in numbers

0
smartphone users globally
0
text messages sent every second worldwide
0
calls per day only in US

JSLEE in telecom

JSLEE (Java Service Logic Execution Environment) is a Java-based language for developing and deploying network services.        JAIN SLEE experts are making a real difference and working with highly sensitive tasks for the biggest players on the market.

Why join us?

Because – like us – you will actually like it here

There's never a boring moment! 5 years later after joining R Systems, there’s always a new project to work on, new clients and new technologies to try. I love change and this fits me perfectly.
Sylwia Parafianowicz
QA Engineer

For the bunch of like-minded people doing cool things together

Why JSLEE?

JSLEE is for telecom and telecom is for everyone, but not for every engineer. Mastering this niche technology will make you a highly valuable one.
Andrei Ilie
Senior Software Engineer

Build top-notch expertise

Deal with real-time, high-volume processing systems… that need to be up & running 99,999 % of the time.

Global-scale impact

Your work impacts the services used by billions of mobile subscribers globally.

Professional development 

Expand your tech portfolio with a unique skill. Be one of the few experts.

Agenda of your JAIN SLEE dive

Week 1-2
Intro and theory of telecom and JainSLEE 25%
Week 3-7
Practical training under the supervision of our JSLEE experts 80%
Week 8
Final assessment - you're ready to join and dive in! 100%

Take a full dive into telecom and JAIN SLEE with us! Continue your long-term engagement with R Systems as JAIN SLEE Engineer working on high-scale projects for some of the biggest telecom operators. 

Join if

You are familiar with: Java, Linux, Git  

You see yourself working in the telecom industry 

Nice to have

OpenStack technology knowledge

Join here

Apply by filling in the contact form below. 

Our recruitment team will get back to you to set up an initial HR interview call and guide you through the rest of the selection process, including online assessments and technical discussions.

Who we are as a company

R Systems is a global technology and analytics services company. We help our clients achieve speed-to-market, overcome digital barriers, and create business value with our specialized service offerings and consultative business approach.

We speak the language of business as fluently as we do the language of technology. In other words: We speak Digital. Our goal: accelerate our clients’ digital leadership.

For almost 30 years in the telecom and technology industry, we have successfully delivered over 1000 complex, high-stake projects to more than 100 operators worldwide, supporting them throughout the 2G to 5G evolution.

+3000
EMPLOYEES WORLDWIDE
25
OFFICES IN 12 COUNTRIES IN EUROPE, US, APAC
16
DELIVERY HUBS INCLUDING CENTERS OF EXCELLENCE IN ROMANIA, POLAND, MOLDOVA
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