Quality Assurance Engineer (f/m/d)

Join to apply for the Quality Assurance Engineer (f/m/d) role at ng-voice

About Us

Committed to building the next generation of 100% software-based mobile networks, combining DevOps with telecommunications expertise, ng-voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future-proof networks.

Responsibilities

• Participate in System Testing: plan, perform, and execute exploratory, pre-planned, and automated testing across functional, non‑functional, and load aspects.
• Manual and Automated Testing: test IMS with real handsets and develop automated test cases using advanced simulation tools.
• Problem Analysis and Debugging: analyze and debug issues across complex solutions to ensure reliability and performance.
• Automated Test Execution: write and execute automated tests using the in‑house framework and tools such as SIPp, IxLoad, and Seagull.
• Quality Assurance and Regression Testing: own the product testing process, ensuring quality and readiness of new and existing features through comprehensive regression testing.
• Framework Development and Debugging: contribute to the development and debugging of our Python-based testing framework, ensuring its effectiveness.
• Process Improvement: continuously refine and adapt testing processes, concepts, and solutions, driving innovation and efficiency.

Qualifications

• Hands‑on QA Experience: solid experience in Software Quality Assurance Engineering with proficiency in manual and automated testing.
• Test Automation Expertise: passion and experience in high‑level test automation design and implementation, including load testing, end‑to‑end, and regression testing.
• Test Environment Setup: experience configuring hardware and software test environments optimized for testing.
• Programming and Scripting: skilled in Python and Bash programming and scripting.

Nice to Have

• Agile/Scrum Experience: experience working in an Agile/Scrum development environment.
• Modern Testing Approaches: familiarity with context‑driven testing, rapid software testing, and session‑based testing.
• Containerization: experience developing and deploying software with Docker and Kubernetes.
• Telecommunications Expertise: experience in the telecommunications industry, particularly with SIP and Diameter signaling standards.
• Industry‑Specific Tools: experience with SIPp, Postman, and other API testing tools.

Benefits

• Work‑Life‑Balance: flexible working, hybrid remote culture.
• Diversity Commitment: building a diverse team with varied backgrounds.
• Fast‑growing startup culture with enterprise maturity.
• We value experience and knowledge over formal degrees.
• Entrepreneurial culture and flat hierarchies.
• Benefits: mobility, fitness, language, wellness (full‑time employees).
• Home office budget for full‑time employees.

ng-voice is an equal opportunity employer. We believe demographic characteristics and diverse experiences that have nurtured unique viewpoints benefit our growth and performance and value each person and their different background as a whole.

Hope we caught your attention; we look forward to getting to know you! Even if you do not meet 100% of the requirements, however, you think this role will be a good match for you, please send in your application. We would love to be in touch! Please be aware that we are currently not collaborating with agencies and any profile received will not be taken into consideration.