Senior C++ Developer with Qt/QML experience (IoT)

Sigma Software; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Job summary

Sigma Software is seeking a Senior C++ Developer with Qt/QML experience to contribute to smart climate solutions in the HVAC domain. You will join a multinational embedded team, work on connected devices, and help design and implement UI components for embedded IoT systems.

The role emphasizes strong C/C++ background, Qt/QML expertise, and collaboration with UI/UX designers, with opportunities for professional growth in an engineering-driven environment.

Qualifications

• At least 5 years of experience with C/C++.
• Strong knowledge of Qt.
• Experience with QML.
• Upper-Intermediate level of English.
• Ability to design and implement UI components and UI functionality.

Responsibilities

• Design and implement software components, modules, classes, and UI functionality.
• Develop and maintain user interfaces for embedded devices using Qt and QML.
• Code, debug, document, and maintain portions of software.
• Perform testing and participate in estimation and planning sessions.
• Collaborate with UI/UX designers to refine UI solutions.
• Produce project and user documentation and provide support to test engineers.

Skills

C/C++

Qt

QML

English (Upper-Intermediate)

Job description

Senior C++ Developer with Qt/QML experience (IoT)

• Full-time

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.

• 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

WOULD BE A PLUS:

• Experience with Figma
• Experience developing UI applications for embedded devices
• Understanding of UI/UX principles