Quality Assurance Engineer (f/m/d)

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. 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). Tasks 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. Requirements 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. Nice to Have: 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. Benefits 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) #LI-MCI