May 10


Devices and machines get smarter day by day and find their way to all spheres of life and businesses of any size. Developing embedded software, which controls operation of such devices and machines, requires knowledge of hardware, specific skills, and ability to work under limited time and memory.

For our client, an international software company specialising in software products, IT consulting and development offices in Europe and the United States, we are currently looking to add to the team an experienced Middle/Senior Embedded Engineer to extend the team (in our Sofia office) for our existing customers in automotive, smart city, and enterprise heat project areas.

If you have a strong analytical mindset, you are passionate about both hardware and software, and would like to work with a skilful team of professionals, then welcome to our department.

About the project

We are hiring for 3 projects with various needs and specifics:

  • Developing world-class solutions in sustainable energy that help achieve the best concept for any type of property, whether it is an apartment block, an industrial building, a hotel, or a country house
  • Improving automotive braking systems
  • Working on a brand-new smart city solution

Working with bare metal solutions and with Linux, or OS less solutions and covering a big range of enterprise level technologies.

Technology Stack: C, CAN, FreeRTOS, Cortex M0, SPI, I2C, MQTT, RS485, MODBUS/ZigBee.


  • Design separate components, modules, classes, 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
  • 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 Architect, Team Lead, and Project Manager
  • Improve your qualification within the areas of expertise at various training courses, seminars, and/or other educational organisations


  • Strong in C and code quality
  • Good in C++
  • Experience in development of OS-less (bare metal) and RTOS-based solutions
  • Knowledge of widely used platforms (ST, SiLabs, NXP, TI), interfaces and protocols (UART, I2C, SPI, ModBus, CAN, USB, Ethernet, etc.)
  • Knowledge and practical experience in RTOS usage and IPC approaches
  • Experience in debugging and troubleshooting solutions for embedded systems. It should include software debugging on real HW and debugging of HW issues
  • Linux User Space development experience
  • Knowledge of commonly used libraries (HALs, file system (FatFS, LittleFS), networking (lwIP or similar))
  • Experience in Embedded Linux (including developing drivers for Linux Kernel) – would be a plus
  • Experience in networking: TCP, UDP, MQTT, TLS – would be a plus
  • Experience in Bluetooth, ZigBee, WiFi, etc. – would be a plus
  • Good background in digital and analogue electronics – would be a plus
  • Knowledge of standards/guidelines for safety improvements (MISRA C/C++, ISO26262, etc.) – would be a plus
  • At least Intermediate level of English

Would be a plus

  • Strong communication and people skills
  • Team player with strong sense of responsibility

Why us

  • Participate in challenging projects for major global companies
  • Competitive remuneration
  • Excellent social package – health insurance, food vouchers, etc
  • Active professional community
  • Variety of technologies
  • Positive and friendly work environment in a team of qualified and fresh-minded professionals sharing knowledge
  • Excellent office location close to a metro station
  • Option to work from home
  • Fun work environment

Looks interesting? Send your CV today.

All applications will be treated in strict confidentiality. Only short-listed candidates will be contacted.