Experienced QA Engineer

Key Responsibilities:

• Ensure high quality of software products across all stages of development;
• Design, execute, and maintain test cases, test plans, and test scenarios;
• Perform manual testing of complex systems (backend, APIs, networking-related features);
• Analyze logs, identify root causes of issues, and collaborate closely with developers;
• Validate client-server interactions and network behavior;
• Participate in requirements analysis and provide early QA feedback;
• Contribute to improving QA processes and testing standards.

Required Skills & Experience:

• Strong experience as a QA Engineer (manual testing);
• Good command of English (Intermediate+ or higher);
• Solid understanding of software testing methodologies and QA processes;
• Strong logical and analytical thinking;
• Experience working with client-server architecture;

• Linux: confident use of basic commands, log analysis;
• Networking fundamentals: TCP/IP, UDP, REST, OSI model;
• Ability to troubleshoot issues across different system layers;
• High attention to detail and commitment to product quality;
• Ability to work independently and take ownership of testing areas. 

Technical Plus (Nice to Have):

• Hands-on experience with networks or network devices;
• Experience working with Linux-based systems;
• Experience testing REST APIs;
• Python for test automation or scripting;
• MySQL (basic queries for data validation);
• Experience with hardware testing, flashing devices, soldering;
• Understanding of QA metrics and reporting;
• Experience mentoring junior QA engineers.

Personal Qualities
• Proactive and open-minded;
• Fast learner with a strong problem-solving mindset;
• Strong communication skills. 

Company Offers:
• Competitive salary based on experience;
• Flexible 8-hour working day (remote / hybrid options);
• 20 days of paid vacation;
• Health insurance;
• Professional, international work environment;
• Opportunity to work with complex and interesting products;
• Office located within 15 minutes (if on-site). 

About company:

Johnson Controls is a global leader in smart building solutions, dedicated to creating safe, healthy, and sustainable environments. As the provider of the world’s largest portfolio of building technology, software, and services, we are at the forefront of innovative building management.

Our Intrusion Department specializes in the development of high-quality electronic security systems and components. Operating in Ukraine through our subcontractor in Kyiv, we work with both hardware and cloud servers, including AWS, as well as virtual machines.

On the client side, we utilize intrusion panels from top vendors such as Visonic PowerMaster, DSC PowerSeries, and Qolsys IQ, alongside a range of wireless technologies (PowerG, Z-Wave, Zigbee) and wired devices.

In addition, we offer User and Installer Applications for both iOS and Android, providing seamless integration and control for our customers.