Senior Software Tester

Ericsson; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Annual bonus

Private medical care for employee and

Life insurance

Hybrid work with flexibility

Loans and grants

Training opportunities

Job summary

Ericsson in Kraków is seeking a Baseband Software Tester to join a team driving 5G Baseband and Cloud RAN software development. You will test, integrate, and verify sophisticated algorithms in real-time, lab and end-to-end environments with cross-functional partners.

The role offers a hybrid work model (3 days in office, 2 days from home weekly) and exposure to international projects. Strong testing, automation, and Linux development skills are essential.

Qualifications

• BSc or MSc in a technical field or equivalent experience.
• Knowledge of NR system design, node verification, and RAN troubleshooting.
• Experience in software testing, test automation, and scripting (Python/C++/Java).
• Familiarity with CI/CD, version control and development tools (Git, Gerrit, Jenkins).
• Understanding NR Baseband architecture and Linux development environments.

Responsibilities

• Develop and maintain automated test solutions for feature verification and CI.
• Verify and improve quality of 5G Baseband and Cloud RAN software in simulated/end-to-end setups.
• Analyze test results, troubleshoot issues, and drive product quality improvements.
• Contribute to documentation and automation framework improvements.
• Ensure test environments and automation are ready for software deliveries.

Skills

NR system design

RAN troubleshooting

Test automation

Python

C++

Java

CI/CD

Git

Jenkins

Gerrit

Education

BSc/MSc in a technical field

Tools

Git

Gerrit

Jenkins

UE simulators

Job description

About this opportunity

5G and Cloud RAN are already a reality, and Ericsson is the leader in bringing it to the market. There has never been a better time for you to make your mark. A large group of skilled developers are working energetically to convert 5G and Cloud RAN plans into reality. We are growing and looking for more talent.

Join our Team

About this opportunity

5G and Cloud RAN are already a reality, and Ericsson is the leader in bringing it to the market. There has never been a better time for you to make your mark. A large group of skilled developers are working energetically to convert 5G and Cloud RAN plans into reality. We are growing and looking for more talent.

PEU RAN Performance PEG3 is part of Integrated RAN in BA Networks and responsible for driving Baseband software product development end to end by having competence and capability to take on full feature responsibility.

As a Baseband Software Tester, you will work in a team that has the responsibility for developing 5G Baseband and Cloud RAN software products. That means testing and integrating advanced signal-processing functions and algorithms in a cycle and memory-constrained real-time environment. The test environment is both simulated and true e2e including Core Network, Radio Access nodes and real or simulated mobile phones.

You will experience a truly collaborative and supportive environment, both in terms of tools and colleagues. And you will have lots of fun.

PEU RAN Performance is located mainly on different sites in Sweden, Canada, China, US and Poland. This position is situated in Kraków, Poland.

What you will do

• Develop and maintain automated test solutions for feature verification, regression testing, and continuous integration
• Verify and improve the quality and performance of 5G Baseband and Cloud RAN software products in simulated and end-to-end environments
• Analyze test results, troubleshoot issues, and collaborate with developers and system engineers to drive product quality improvements
• Contribute to feature systemization, documentation, and continuous improvements of products, tools, automation frameworks, and processes
• Ensure test environments, platforms, and automation solutions are available and ready for software deliveries

The skills you bring

• BSc level (MSc preferred) in a technical field or equivalent experience
• Knowledge of New Radio (NR) system design, node verification, and RAN troubleshooting
• Experience in software testing, test automation, and scripting using Python, C++, Java, or similar languages
• Experience with CI/CD, automated testing, version control, and development tools (e.g., Git, Gerrit, Jenkins)
• Knowledge of NR Baseband architecture and functionality (e.g., UPC UL, UPC DL, ULPHY, DLPHY, MAC, L3)
• Experience with radio network test tools, UE simulators, protocol analyzers, and test equipment
• Ability to analyze logs, traces, and performance measurements to identify issues and drive root-cause investigations
• Understanding of relevant 3GPP specifications and Linux-based development environments

This is a hybrid model role - 3 days from the office and 2 days from home weekly

What do we offer

• Annual bonus depending on the achievement of the company's goals and results.
• Financial awards and distinctions.
• Private medical care for employee and their family (Medicover).
• Life insurance
• Pluxee platform: co-financing MultiSport or OK System card, lunch cards, and others.
• Sports and integration activities (e.g. Football, Joga, raising team, climbing club).
• Hybrid work with great flexibility (financing home furniture and IT equipment).
• Company support (loans and grants).
• Possibility to participate in 3G / 4G / 5G... 6G technology projects.
• Opportunity to participate in technical and interpersonal training conducted by international trainers.
• Access to recognized learning platforms (Pluralsight, Skillsoft, Coursera).
• Opportunity to work in an international environment, also outside Poland.

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city

Poland (PL) || Krakow