TEST / AUTOMATION 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

IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability. The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries. This position is based in Rennes, France.   By joining our Engineering team, you won't just be a tester — you'll be at the heart of quality for complex AI systems, working hand in hand with our research team. That's rare. That's exciting. And that's what we offer.   As a Senior QA Engineer, you will play a key role in the reliability and robustness of our AI/ML-based identity verification services. You will work day-to-day alongside our data scientists, researchers, and software engineers to design test strategies that match the complexity of our systems. This role is also central to our delivery chain: you will be a key player in our CI/CD pipeline, ensuring every release is production-ready. KEY RESPONSIBILITIES   * Design, develop, and maintain robust automated tests in Python * Debug complex components related to AI/ML models and distributed architectures * Own and improve our CI/CD pipeline (GitLab CI): test integration, deployment management, and continuous improvement * Work closely with the R&D team to anticipate quality risks from the design stage * Identify, document, and track bugs throughout their full lifecycle * Actively participate in Agile/Scrum ceremonies and contribute to high-quality releases * Share best practices and raise the QA bar across teams   PREFERRED EXPERIENCE   * 3+ years of experience in QA and test automation on complex systems * Strong hands-on skills in Python for automation (pytest, Locust, etc.) * Experience working with AI/ML systems (model testing, data pipeline validation, etc.) * Solid expertise in CI/CD: building, maintaining, and improving pipelines (GitLab CI or equivalent) * Experience in API testing (Postman, REST Assured, or similar) * Ability to dive deep into complex code to find the root cause of a bug — you don't wait to be guided, you dig in * Autonomous, analytical mindset with a taste for technically demanding environments * Fluent English and French (written and spoken) WHAT YOU GET : * A privileged collaboration with a world-class research team * A stimulating technical environment: AI, image processing, anti-fraud * Real impact on products used at a European scale * An engineering culture that values autonomy and skills development PERKS & BENEFITS * Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions. * We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification. * We make your remote work comfy: we provide support on equipment and offer flexible working hours. * We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work. * May your family require your attention or other reasons apply: use the benefit of our paid special leave days. * Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities. * In addition to the perks & benefits above, we offer specific benefits that differ between our locations.   IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.