Embedded Software Developer (IoT)

Sigma Software is looking for an experienced Embedded Developer who wants to contribute to the product development of a world-famous company and join the team working on smart home climate solutions.  
 
Are you passionate about embedded development? Let's work together! 

CUSTOMER
The Customer is a leading European heating technology company that develops, manufactures, and markets a wide range of eco-friendly, energy-efficient solutions for indoor climate comfort for all types of properties, as well as components and solutions for intelligent heating and control in industry and infrastructure.  

PROJECT
The project includes the development of smart home climate solutions for a client operating in the heating, ventilation, and air conditioning (HVAC) domain. Together with the Customer, we deliver smart climate solutions with wireless connectivity and intelligent control for any type of property, whether it is an apartment block, an industrial building, a hotel, or a country house, to help reduce energy consumption for the client’s customers and society at large. 
 
Technology stack: C, ST, UART, I2C, SPI, J-link, HALs, FatFS, lwIP. 

• ​​Design separate components, modules, classes, and devices  
• Code, debug, document, and maintain portions of software and hardware  
• Perform different types of testing  
• Participate in estimation and planning sessions  
• Contribute to the development of technical project documentation and user documentation  
• Prepare and clarify the requirements in collaboration with the Business Analyst  
• Assist Test Engineers and support personnel in resolving technical issues related to the software installation and its operation  
• Participate in conference calls and face-to-face meetings with the Customer and their partners  
• Comply with the best engineering practices, technical standards, and quality criteria set forth on the project  
• Report on status and progress according to the project and company requirements  
• Identify current deficiencies in the development process, adopted procedures, engineering practices, environment configurations, and suggest improvements, etc.  
• Escalate technical issues to the Architect, Team Lead, and Project Manager  

• ​​At least 5 years of experience with C language  
• Knowledge of widely used platforms (ST, SiLabs, NXP, TI), as well as interfaces and protocols (UART, I2C, SPI, Modbus, etc.)  
• Experience in debugging and troubleshooting solutions for embedded systems. This should include software debugging on real devices (using J-Link, ST-Link) and troubleshooting  
• Knowledge of commonly used libraries, such as HALs, file systems (FatFS, LittleFS), and networking libraries (lwIP or similar)  
• Upper-Intermediate level of English  

WOULD BE A PLUS

• Experience of using oscilloscopes, logic analyzers, and multimeters  
• Knowledge of Python and Lua for scripting  
• Experience in optimizing memory usage