We are seeking a Test Engineer to join our big team and be a primary point of contact with the Customer on quality assurance matters. As a member of our team, you will have the opportunity to work with various products that share common functionalities. You will also develop a cohesive testing strategy that meets Customer needs and ensures high-quality results by collaborating closely with the team.
You will have a chance to challenge yourself, grow as a technologist and a professional, and make an incredible impact on the Customer's products.
CUSTOMER
Our Customer is a leading European supplier of eco-friendly, energy-efficient indoor climate solutions. They aim to provide modern climate control in all types of buildings by using renewable energy sources and the latest technology.
PROJECT
Our project involves the development of smart home climate solutions for a client operating in the heating, ventilation, and air conditioning (HVAC) sector. Together with the client, we provide smart climate solutions featuring wireless connectivity and intelligent control for any type of property, including apartment blocks, industrial buildings, hotels, or country houses, to help reduce energy consumption for our client’s customers and society at large.
The team is responsible for developing and maintaining universal electronics and firmware platforms.
The mission of the project is to deliver scalable, reliable, and secure solutions that accelerate time-to-market for new products while supporting the company’s global vision of transitioning to energy-efficient and sustainable technologies.
Job Description- Perform functional, integration, and regression testing of embedded software
- Create and maintain test documentation (checklists, test cases, and bug reports)
- Participate in release planning and synchronization meetings with the development team
- Collaborate closely with developers, architects, and other QA engineers
- Identify, log, and track defects until resolution
- Contribute to the overall product and process quality according to company standards
- 2+ years of experience as a Manual QA Engineer in embedded or firmware projects
- Solid knowledge of testing methodologies and ability to write test cases and reports
- Experience with bug tracking and test management systems
- Basic hardware skills (flashing, setup, and diagnostics)
- Experience with Unix platforms
- Experience in network (understanding of TCP/UDP)
- Experience with sniffers and debugging tools (ex. Charles, Wireshark)
- Knowledge or experience with Modbus RTU/TCP/IP (protocol understanding, device testing, communication checks)
- Knowledge or experience with EEBUS (energy management communication standard, interoperability testing, smart grid communication)
- Hands-on electronics experience, including:
- flashing and debugging hardware
- soldering PCBs and performing small-scale repairs
- Knowledge or experience with Zigbee:
- protocol layers (APS, NWK, MAC), roles (coordinator, router, end device)
- network setup, pairing/unpairing, stability testing
- analysis with Zigbee sniffers (Wireshark)
- testing scenarios: OTA updates, connection recovery, stress testing with multiple devices
- Embedded Linux testing: CLI skills, log analysis (dmesg, journalctl, systemctl), networking (ping, tcpdump, Wireshark)
- Firmware debugging: bootloader (U-Boot), flashing, boot log analysis
- Experience in API testing (Postman, Bruno)
- Upper-Intermediate level of English
Top Skills
What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs.
Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts.
Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
