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Sigma Software Group
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Senior C++ Developer with Qt/QML experience (IoT)
Poland
· Full-time
·
Mid-Senior
If you want to continue your career in an international IT company and work on real IoT products that make everyday environments smarter, more connected, and more energy-efficient — we have the right opportunity for you. We at Sigma Software are growing our Embedded team and looking for an experienced C++ Developer with strong Qt/QML expertise to contribute to the development of smart climate solutions in the HVAC domain.
At Sigma Software, you will be part of a multinational team with a strong engineering culture, access to professional growth opportunities, and the chance to work on innovative IoT-based solutions that have real impact on comfort and energy efficiency for end users.
PROJECT
The project is focused on the development of smart home and building climate control solutions, with a particular emphasis on wireless connectivity, intelligent control, and energy-efficient operation. The engineer will work on connected embedded devices and systems that manage heating, ventilation, and air conditioning for different types of properties - from apartments and private houses to hotels, industrial buildings, and large residential complexes.
You will have an opportunity to work on innovative IoT-based HVAC solutions that help improve comfort, optimize climate control, and reduce energy consumption for customers and society at large.
Job Description
At Sigma Software, you will be part of a multinational team with a strong engineering culture, access to professional growth opportunities, and the chance to work on innovative IoT-based solutions that have real impact on comfort and energy efficiency for end users.
PROJECT
The project is focused on the development of smart home and building climate control solutions, with a particular emphasis on wireless connectivity, intelligent control, and energy-efficient operation. The engineer will work on connected embedded devices and systems that manage heating, ventilation, and air conditioning for different types of properties - from apartments and private houses to hotels, industrial buildings, and large residential complexes.
You will have an opportunity to work on innovative IoT-based HVAC solutions that help improve comfort, optimize climate control, and reduce energy consumption for customers and society at large.
Job Description
- Design and implement software components, modules, classes, and UI functionality
- Develop and maintain user interfaces for smart climate control devices using Qt and QML
- Code, debug, document, and maintain portions of software
- Perform different types of testing
- Participate in estimation and planning sessions
- Collaborate with UI/UX designers to implement and refine user interface solutions
- Contribute to the development of technical project documentation and user documentation
- Provide assistance to test engineers and support personnel in solving technical issues of software installation and its operation
- Participate in conference calls and face-to-face meetings with the Customer and Customer partners
- Comply with the best engineering practices, technical standards, and quality criteria set forth on the project
- Report status and progress according to the project and company demands
- Spot current deficiencies in the development process, adopted procedures, and engineering practices, environment configurations, etc., and suggest improvements
- Escalate technical issues to the Team Lead and Project Manager
- Improve your qualification within the areas of expertise at various training courses, seminars, and/or other educational organizations
- At least 5 years of experience with C/C++
- Strong knowledge of Qt
- Experience with QML
- At least Upper-Intermediate level of English
- Experience with Figma
- Linux knowledge
- Experience developing UI applications for embedded devices
- Understanding of UI/UX principles
Key Skills
Ranked by relevance
embedded
ui
wireless
c
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- Posted
- Jun 17, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Warsaw
- Company
- Sigma Software Group
Industries
Software Development
IT Services
IT Consulting
Categories
Production
Distribution
Engineering
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