Quality Assurance Engineer (MVNO Systems)

TL;DR

Quality Assurance Engineer (MVNO Systems): Validating the full subscriber journey for new country launches, ensuring local data, voice, and SMS services work natively. Focus on Mobile Number Portability (MNP) flows and Lawful Interception hooks.

Location: Europe

Company

hirify.global is the world’s first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions.

What you will do

• Validate the full "Subscriber Journey" for new country launches, ensuring local Data, Voice, and SMS services work natively.
• Own the technical validation of mandatory domestic features, focusing specifically on MNP flows and Lawful Interception hooks.
• Verify that domestic-specific mobile plans and real-time charging triggers are accurately applied in the OCS/BSS.

Requirements

• Deep understanding of Mobile Number Portability (MNP) technical flows.
• Knowledge of BSS/OSS architectures and real-time charging (CAMEL/Diameter).
• Experience testing Core Network functions such as HSS, HLR, and PCRF.
• Proficiency in End-to-End (E2E) testing methodologies for telecommunications services.

Nice to have

• Experience with Prepaid vs. Postpaid billing logic.
• Experience with Postman or Newman for API-level service testing.

Culture & Benefits

• Remote work.
• Generous PTO.
• Wellness and learning allowances.
• Annual hirify.global Away retreat.