Senior QA Engineer (Mobile Applications & IoT)

Miele Tehnica is a subsidiary of Miele & Cie. KG, Germany. We produce electronic components for a wide range of Miele appliances, including washing machines, tumble dryers, vacuum cleaners, and ovens. Miele products set high standards for durability, performance, ease of use, energy efficiency, design, and service.

As part of our digital development teams, we create and continuously improve mobile applications that connect Miele appliances with cloud services and IoT technologies. Our goal is to deliver reliable, intuitive, and high-quality digital experiences for our customers.

We are looking for a Senior QA Engineer based in Brasov, to help ensure the quality of our iOS and Android applications. In this role, you will take ownership of complex testing activities, investigate technical issues, identify quality risks, and improve testing practices.

You will collaborate with Developers, Product Owners, and international teams, combining hands-on testing expertise with strong analytical skills and a proactive approach to quality.

Key Responsibilities:

• Plan, design, and execute functional, integration, regression, exploratory, and end-to-end tests for iOS and Android applications.
• Review requirements, identify potential quality risks, and contribute to clear acceptance criteria.
• Ensure appropriate test coverage for complex features involving mobile applications, connected devices, cloud services, and backend systems.
• Perform hands-on manual testing and execute existing automated test suites, analyzing results and investigating failures.
• Troubleshoot complex issues related to device connectivity, communication, data synchronization, and system integration.
• Assess testing results, communicate quality risks, and provide recommendations to support release decisions.
• Collaborate with Developers, Product Owners, and other stakeholders to identify and resolve defects.
• Propose and implement improvements to testing processes, tools, and overall test effectiveness.
• Use AI-assisted tools to improve test analysis, defect investigation, and testing efficiency.
• Share knowledge, support colleagues, and contribute to continuous improvement within the QA team.

Key job requirements:

• At least 5 years of professional experience in software quality assurance, with focus on mobile application testing for iOS and/or Android.
• Strong knowledge of testing methodologies, test design techniques, defect management, and risk-based testing.
• Solid hands-on experience with manual, exploratory, integration, and end-to-end testing.
• Experience with mobile debugging tools, application logs, and network analysis.
• Good understanding of client-server architectures, APIs, and backend integrations.
• Strong analytical, troubleshooting, and problem-solving skills.
• Experience working in agile, cross-functional development teams.
• Familiarity with AI tools and their practical application in software testing.
• Ability to independently manage testing activities, assess risks, and contribute to technical decisions.
• Proactive, collaborative mindset with strong communication skills.
• Good written and spoken English.

Nice to have:

• Experience testing IoT products, connected devices, or smart home applications.
• Knowledge of Bluetooth, Wi-Fi, and device connectivity protocols.
• Familiarity with mobile automation frameworks such as Appium, Espresso, or XCUITest.
• Experience executing automated tests, analyzing results, and investigating failures.
• Experience with API testing, CI/CD pipelines, and automated test reporting.
• Experience testing device pairing, firmware updates, connectivity recovery, and synchronization.
• Knowledge of mobile performance, accessibility, or security testing.
• Experience with monitoring and diagnostic tools such as Sentry.
• German language skills.

Technology Stack:

• iOS & Android
• Mobile Application Testing
• IoT & Connected Devices
• Bluetooth & Wi-Fi
• REST APIs
• Appium / Espresso / XCUITest
• CI/CD & Automated Testing
• Application Logs & Network Analysis
• Sentry
• AI-assisted Testing Tools

Education:

You have a Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field—or equivalent professional experience in software quality assurance.

Why Join Miele?

• Contribute to innovative mobile applications and connected products used by customers worldwide.
• Work on challenging projects involving mobile technologies, IoT devices, and cloud services.
• Take ownership of complex testing activities and influence product quality.
• Collaborate with experienced professionals in an international, agile environment.
• Benefit from hands-on testing in our dedicated test lab in Brașov, Romania, with access to real connected devices.
• Grow your career within an internationally recognized company that values innovation, quality, and continuous development.

If you are passionate about software quality, enjoy solving complex technical challenges, and want to help deliver reliable digital experiences, we would be happy to welcome you to our team.

Why work here?

For more than 125 years, Miele has been a family-owned, family-run company. Based on this tradition, a healthy balance between the demands and the appreciation of our employees is very important to us. Besides following our objective of becoming “forever better” which our employees represent with their specialist knowledge, their ambition and with thinking ahead, we want to ensure that everyone can experience and profit from our good working environment here at Miele. Living and passing on our Miele values, as well as working in teams to further develop our innovative products, are important parts of our Miele culture at each of our 50 locations.

About Us

What does it take for a family-run company to become world market leader in the premium domestic appliance segment? It takes more than offering average products, run-of-the-mill service or short-sighted actions. It also requires the aspiration to do it forever better and to be forever better. This stance accounts for a good working environment at Miele and the success of our products. Our colleagues can rest assured that those who live up to our standards of quality and professionalism grow personally and professionally. No matter if they are apprentices or managers.
Make our claim your challenge - whether in Gütersloh, Melbourne or Singapore! Become one of more than 23,000 Miele employees in 50 countries around the world who are committed to making our products even better every day - and help us to expand our innovation leadership.