Quality Assurance Engineer

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. 

As a member of our QA team, you will play a crucial role in shaping the quality of our products. You'll work with industry-standard tools, build your own test setups, and enhance our automation framework. Ideally, you have experience with telco test equipment and a solid understanding of IMS, LTE networks, and related protocols.

To support our rapid growth, we are seeking a Quality Assurance Engineer (m/f/d) to join our team in Hamburg. In this role, you will work with technologies such as 4G, LTE, Transport networking, TCP/UDP, VoIP, and Video/IP protocols across various cloud platforms (Docker/Kubernetes).

What you'll do:
 

• Participate in System Testing: You will play a key role in our system testing activities by planning, performing, and executing a variety of tasks using a balanced approach that includes exploratory, pre-planned, and automated testing across functional, non-functional, and load aspects.
• Manual and Automated Testing: You will conduct both manual and automated testing of our IMS, working with real handsets and developing automated test cases using advanced simulation tools.
• Problem Analysis and Debugging: You will be responsible for analyzing and debugging issues across multiple, complex solutions, ensuring the reliability and performance of our systems.
• Automated Test Execution: You will write and execute automated tests utilizing our in-house framework, along with essential tools such as SIPp, IxLoad, and Seagull.
• Quality Assurance and Regression Testing: You will take ownership of the product testing process, ensuring the quality and readiness of new features, as well as existing ones, through comprehensive regression testing.
• Framework Development and Debugging: You will contribute to the development and debugging of our Python-based in-house testing framework, ensuring its effectiveness and reliability.
• Process Improvement: You will continuously help to refine and adapt our testing processes, concepts, and solutions, driving innovation and efficiency in our quality assurance practices.

Our Ideal New Colleague:

• Hands-on QA Experience: You have solid experience in Software Quality Assurance Engineering, with proficiency in both manual and automated testing.
• Test Automation Expertise: You are passionate about and experienced in high-level test automation design and implementation, including load testing scenarios, end-to-end testing, and regression testing.
• Test Environment Setup: You have experience in setting up and configuring both hardware and software test environments, ensuring they are optimized for testing.
• Programming and Scripting: You are skilled in programming and scripting, particularly in Python and Bash.

• Agile/Scrum Experience: You have experience working in an Agile/Scrum development environment.
• Modern Testing Approaches: You are familiar with modern testing methodologies, such as context-driven testing, rapid software testing, and session-based testing.
• Containerization: You have experience in developing and deploying software using containers, specifically with Docker and Kubernetes.
• Telecommunications Expertise: You have experience in the telecommunications industry, particularly with signaling standards like SIP and Diameter.
• Industry-Specific Tools: You have experience with industry-specific test environments and tools, such as SIPp, and API testing tools like Postman.

A little more about our culture and why you should join;

• Work-Life-Balance is a priority: Flexible working that suits you - we live and breathe a hybrid remote culture and don't mind where and when you work    
• We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry   
• We offer you the culture of a fast-growing start-up with the maturity of an enterprise company
• We are more interested in your experience and knowledge than formal degrees 
• Entrepreneurial culture and flat hierarchies   
• Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full-time employees)
• Home office budget (for full-time employees)