As a Quality Assurance Engineer (all genders), you will play a key role in ensuring the reliability, stability, and performance of our platform across web applications, mobile apps, and backend services.

Your mission is to help engineering teams deliver high-quality software with confidence by strengthening testing practices, introducing automation, and embedding quality into the development lifecycle.

You will collaborate closely with developers, product owners, and other stakeholders to ensure that quality is built into our products from the beginning, not added at the end. By designing and maintaining automated test systems and improving testing workflows, you will help enable faster, safer releases and a better customer experience.

This role offers the opportunity to shape the quality engineering approach across the organization, influence testing strategies, and drive automation across multiple platforms.

• Design, build, and maintain automated tests for web applications, mobile apps, and backend services.
• Implement automated regression testing to ensure product stability across releases.
• Develop and maintain API and backend tests using frameworks such as CodeceptJS, Robot Framework, or similar tools.
• Create end-to-end integration and API test suites that run within CI/CD pipelines.
• Collaborate closely with developers, product owners, and backend teams to integrate testing into the development workflow.
• Support teams in improving test coverage, reliability, and testability of systems.
• Identify, document, and track defects while working with engineers to resolve them efficiently.
• Contribute to the continuous improvement of testing strategies, tools, and quality processes.
• Automate repetitive manual testing tasks and improve testing workflows.
• Participate in exploratory testing when validating new features or releases.
• Ensure product quality delivery through detailed manual regressions.
• Leverage AI tools and modern development environments to improve testing efficiency and productivity.

• Bachelor’s degree in computer science, Software Engineering, or a related field, or equivalent practical experience.
• Experience in software testing or quality engineering, particularly in test automation.
• Experience implementing automated testing in modern development environments.
• Experience with automation frameworks such as CodeceptJS, Robot Framework, native mobile testing frameworks, or similar tools.
• Experience testing REST APIs and backend services.
• Experience building automated regression, integration, and end-to-end tests.
• Familiarity with JavaScript / TypeScript or similar languages used in test automation.
• Experience integrating automated tests into CI/CD pipelines.
• Understanding of modern testing practices including unit, integration, and end-to-end testing.
• Familiarity with mobile testing for Android and iOS.
• Experience working with Git and modern development workflows.
• Experience setting up test automation frameworks from scratch.
• Knowledge of BDD testing approaches.
• Experience with performance or load testing tools is a plus.
• Strong analytical and problem-solving skills.
• Ability to work independently while collaborating with cross-functional teams.
• High attention to detail and a strong commitment to software quality.
• Proactive mindset toward improving testing processes and automation.
• Clear and effective communication with engineers and product teams.

• Enjoy a fair and appropriate salary.
• Comprehensive health insurance coverage for you and your family.
• Professional & confidential mental health support (powered by OpenUp.)
• Benefit from 22 vacation days, exceeding the legal-required standard.
• The option to work from home up to 2 days per week.
• Work remotely from anywhere up to 20 days per year.
• Work in a cosy, modern office equipped with top hardware.
• Choose your preferred device: Windows Laptop or MacBook.
• We cover costs for e-learning courses to support your professional development.
• Enjoy organic fruit baskets, a smoothie bar, quality coffee, mate, and more.
• We are "Certified Family Friendly" and support a healthy balance between work, family, and private life.
• Be part of an agile organization where your ideas matter and you have the opportunity to take charge.

NFON who?

We’re NFON – a leading European provider of integrated business communication with a focus on AI-based applications and as a licenced telecoms company active in 15 European countries. Since 2019 we are listed in the Prime Standard segment of the Frankfurt Stock Exchange, have nine branch operations and are working together with over 3,000 partners. Every day, we support around 55,000 business customers in Europe with intuitive communication solutions that make their businesses more efficient and flexible.

What we do…

As a long-term partner for small and medium-sized businesses, we combine technological innovation with user-friendly and efficient business communication solutions. With both AI-based technologies and operational excellence, we are enabling companies to harness the full potential that artificial intelligence offers – for optimised processes, more precise customer interactions and new growth opportunities. With its core product, the smart cloud communications platform, we are offering hassle-free voice calls, simple video conferencing and seamless integration of CRM and collaboration tools for small and medium-sized companies. All of NFON’s cloud services are operated in certified data centres in Germany, with 100% of their energy needs covered by renewable sources.

How & why we do it