What we expect We are seeking a highly skilled and self\-motivated **Embedded Systems Engineer (d/f/m)** with deep expertise in modern C\+\+ (C\+\+17/20\), Linux internals, and application\-level networking. In this role, you’ll contribute to the development of robust **Linux user\-space services and daemons**, interface with devices through protocols like **SPI, I2C, and GPIO**, and help shape scalable and testable code using interface\-driven design and unit testing practices. Your ability to navigate system\-level programming with **tools like systemd, journald, and various Linux diagnostics** will be key to ensuring performance and reliability. Experience with **REST, MQTT, and secure communication using TLS/mTLS** will support cloud integration across our embedded systems. Familiarity with **Yocto, CI pipelines, and Agile workflows** is a strong plus, as you'll be working closely with a cross\-functional team to bring innovative and resilient solutions to life within TKE’s global product landscape. At TKE, we are leading the digital transformation of the mobility industry worldwide, and we’re looking for passionate, forward\-thinking professionals to join us in building the next generation of connected, intelligent elevators. Who we are looking for **C/C\+\+ Development** * Expert in modern C\+\+ (C\+\+17/20\), STL, and system\-level programming using POSIX APIs. * Practical experience writing Linux user\-space services and daemons using systemd. * Experience with user\-space device access (e.g., serial, I2C, SPI, GPIO) * Familiar with CMake\-based build environments and modular and monolithic codebase structures. * Comfortable with interface\-driven design, dependency injection, and unit testing with mocks. **Linux System Knowledge** * Deep understanding of Linux internals: processes, threads, IPC, filesystems, sockets, and signals. * Hands\-on with systemd, journald, and networking tools (ip, dnsmasq, dhcpcd, etc.). * Competent in diagnosing runtime behavior using gdb, valgrind, strace, lsof, top, perf, etc. * Experience with logging infrastructure, log rotation, and structured logs **Application\-Level Networking** * Familiar with application protocols: REST, MQTT * Experience with TLS/SSL, mTLS, and certificate handling in embedded environments. **Nice to Have** * Experience publish\-subscribe patterns for loosely coupled service architectures. * Familiarity with Git, CI pipelines, Docker, Bitbucket, and Jira workflows. * Understanding of how Yocto works; capable of debugging image integration issues and contributing to application\-layer recipes. * Comfortable adding new packages, tweaking configuration, and interacting with the Yocto\-based OS environment. * Not expected to be a Yocto expert, but should collaborate well with the platform team when deep integration is needed. * Comfortable with Agile development and working in a multi\-disciplinary embedded team. What we offer * **Health and Safety** –Highest standards and a wide range of health promotion and healthcare activities * **Flexibility** –We support, for example, through flexible yet regulated working hours and remote working options * **Collaboration \& diversity** –Collegiality is of huge importance – we treat everyone with respect and appreciation * **Development** –Individual support to help you get started in your new job as well as training and education programs to help you develop professionally and personally * **Creative leeway** –We offer an environment in which you can try out new solutions in a no\-blame\-culture * **Sustainability** –We act with responsibility and environmental awareness * **Work environment** –We have modern workplaces and IT equipment, subsidized lunchtime meals in the canteen, free parking and discounted public transport tickets Additional information At TK Elevator, we aim to embrace diversity and welcome everyone \-no matter the ethnicity, nationality, gender or gender expression, age, social background, religion or world belief, sexual orientation, disability, marital status or any other legally protected characteristic or status. Do you have a disability and would like to work with us? Then we look forward to your application! As a signatory of the Charter of Diversity, TK Elevator is committed to a prejudice\-free and diverse working environment with equal opportunities. Although we are not completely barrier\-free yet, we are working every day to improve ourselves. Let’s overcome barriers together and work on individual solutions that work for you.