For our client, a big telecom company in Rotterdam, we are seeking a skilled software tester with a background in the telecom sector to join a dynamic team. This is a temporary assignment from May 2025 until end of October 2025.

If you thrive in an agile environment and have expertise in programming languages and testing methodologies, we want to hear from you!

For our client, a big telecom company in Rotterdam, we are seeking a skilled software tester with a background in the telecom sector to join a dynamic team. This is a temporary assignment from May 2025 until end of October 2025.

If you thrive in an agile environment and have expertise in programming languages and testing methodologies, we want to hear from you!

• Create and execute comprehensive test plans and scripts to ensure quality assurance;
• Conduct functional testing, with a focus on API testing;
• Design and develop automated testing processes;
• Collaborate with stakeholders to enhance regression testing efforts;
• Work closely with stakeholders to define and establish effective test strategies;
• Analyze test outcomes and communicate findings to relevant stakeholders;
• Identify and troubleshoot issues to maintain high software quality standards;
• Proactively engage with stakeholders to ensure alignment and clarity in testing processes.

• 5+ years of experience in software testing;
• Mobile core experience preferred;
• Proficient in Windows scripting and automation tools;
• Strong QA and functional testing background;
• Expertise in Python, shell scripting, Jenkins, and CI/CD for automation testing;
• Manual testing certification (e.g., ISQBT) preferred;
• Familiar with SOAPUI, POSTMAN, databases, Groovy, and SQL;
• AWS Certified (minimum Cloud Practitioner);
• Knowledge of telecom principles, mobile network call flows, 3GPP standards;
• Familiarity with Ericsson's mobile core and mobile provisioning preferred;
• Experience with virtual and containerized network functions.

A great full-time assignment of 40 hours in Rotterdam, from May 2025 to end of October 2025. Hybrid work is possible. The hourly rate for a ZZP/Freelancer will be around 75-85 EUR, depending on your experience and seniority. There is also the possiblity of having a flex contract with us, in which case the salary range will be 6000-7000 EUR gross per month.

What's next? Within four working days, we will let you know if you qualify for this position. We will schedule an introductory interview, either digitally or in-person. During this interview, we will inform you as fully as possible about the vacancy, the company and the rest of the procedure. After consulting with you, we will introduce you to our client and then continue to guide you through the application process. The Independent Recruiters Group has a large team of specialized recruiters. Each recruiter has a strong focus on their own area of ​expertise, which makes them the ideal sparring partner for both the candidate and the client.D

esired Skills and Experiences

oftware tester, IT testing, QA, quality assurance, Ericsson, AWS