QA Performance Engineer (IoT sphere)

Company Background

Our client is a global leader in access solutions and smart home technologies. With over a decade of innovation in the IoT space, the company is a pioneer in connected home solutions, including garage door openers, gate systems, and smart access management tools. One of their flagship innovations is the platform, which allows users to control and monitor their home access systems through connected devices. The current focus is a mobile app designed to support and manage gated communities.

Project Description

The project focuses on performance testing of the middleware service layer powering the client’s connected device platform. The QA Automation Engineer will contribute to a JMeter-based performance testing framework, execute and report performance tests, maintain and enhance the framework, and work closely with DevOps Engineers, Developers, and senior performance engineers to ensure backend, API, and microservices performance meets high reliability standards.

Technologies

• JMeter
• Java basics
• REST APIs / HTTP
• Git

What You'll Do

• Execute performance, load, stress, and soak tests for backend services, REST APIs, and microservices using JMeter;
• Develop and maintain JMeter test scripts under the guidance of senior performance engineers;
• Contribute to the performance testing framework by adding new scenarios, reusable components, and test data sets;
• Analyze test results, prepare reports, and help identify performance bottlenecks together with Developers and DevOps Engineers;
• Use observability tools such as Grafana and Datadog to review dashboards and logs and support root cause analysis;
• Document test plans, scenarios, execution results, and findings in a clear and reproducible way;
• Collaborate with Developers, DevOps Engineers, and QA peers to ensure performance criteria are met before release;
• Participate in Agile ceremonies, including planning, refinement, retrospectives, and daily team communication;
• Continuously improve skills in performance engineering, JMeter, and cloud-based system performance through self-learning, training, and knowledge sharing;

Job Requirements

• 1+ year of experience in QA, manual or automation;
• Basic understanding of performance testing concepts, including common test types and key metrics;
• Hands-on exposure to JMeter, including basic test plan structure, script recording, parameterization, and assertions;
• Understanding of REST APIs and HTTP basics, including methods, status codes, headers, and JSON payloads;
• Basic knowledge of Java and object-oriented programming;
• Ability to read and interpret graphs, dashboards, and basic system metrics;
• Strong analytical thinking, attention to detail, and problem-solving skills;
• Good communication skills and ability to work in a team;
• Familiarity with Agile/Scrum software development process;
• English level: B2 or higher.

Nice to Have

• Basic Linux command-line skills;
• Basic understanding of cloud platforms such as AWS, Azure, or GCP;
• Exposure to observability or APM tools such as Grafana, Datadog, or CloudWatch;
• Understanding of microservices architecture;
• Familiarity with CI/CD pipelines such as Azure DevOps, GitHub Actions, or Jenkins;
• Familiarity with home automation technologies or IoT.

What Do We Offer

• You will receive a salary starting from 2,350 EUR gross per month.
• Our Launch for Success benefits package, including premium health insurance, monthly lunch vouchers, telecommunications services for employees and their family members, and more;
• Global teams. Work in multicultural departments and learn from experienced professionals across different countries;
• International clients. Gain exposure to innovative start-ups and Fortune 1000 companies in the United States and Europe;
• Professional development. Access internal learning programs, training sessions, and opportunities to develop new skills;
• Support for new ideas. Our internal start-up incubator, Innovation Sandbox, helps employees develop ideas, receive implementation support, and compete for cash prizes;
• Team spirit. Enjoy team-building activities, celebrations, corporate and family events, and other company traditions;
• A supportive environment where you can gain practical experience and grow professionally.