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Embedded Software Engineer (Application) (d/f/m)



Job description

Overview

Embedded Software Engineer (Application) (d/f/m) at TK Elevator.

We are seeking a highly skilled and self-motivated Embedded Systems Engineer with deep expertise in modern C++ (C++17/20), Linux internals, and application-level networking.

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.

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.

At TK Elevator, 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.

What You’ll Do / Responsibilities
  • Contribute to the development of Linux user-space services and daemons using C++ (C++17/20) and POSIX APIs.
  • Interface with devices through SPI, I2C, and GPIO; work with interface-driven design and unit testing practices.

  • Navigate system-level programming using tools such as systemd, journald, and Linux diagnostics to ensure performance and reliability.

  • Work with REST, MQTT, and TLS/mTLS for secure cloud integration across embedded systems.

  • Collaborate with a cross-functional team in an Agile environment; participate in CI pipelines and DevOps practices.

Qualifications
  • 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/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 experience with systemd, journald, and networking tools (ip, dnsmasq, dhcpcd, etc.).

  • Proficient 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 with 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 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 – Flexible working hours and remote working options
  • Collaboration & diversity – Collegiality and respect in the workplace
  • Development – Support, training and education programs for professional and personal growth
  • Creative leeway – An environment to try new solutions in a no-blame culture
  • Sustainability – Responsible and environmentally aware operations
  • Work environment – Modern workplaces with IT equipment, subsidized meals, free parking and discounted transport tickets
Who We Are

TK Elevator (TKE) is a global leader in vertical transportation and urban mobility.

We provide engineering that keeps the world moving, from design to installation and maintenance on any brand of elevators, escalators, walkways, lifts, passenger boarding bridges, stairlifts, platform lifts and home elevators.

With our digital solutions like AGILE and the IoT platform MAX, there are no longer any limits to urban mobility.

TK Elevator became independent following its separation from the thyssenkrupp group in 2020.

The company achieved sales of €9.3 billion in fiscal year 2023/2024.

With around 50,000 employees, 25,000 service technicians and over 1,000 support centers globally, we are moved by what moves people.

TKE – Move Beyond.

Contact

Please apply online in English, including your notice period and salary expectation.

Talent Acquisition
Uwe Hüsken

Details
  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Job function: Information Technology
  • Industries: Machinery Manufacturing, Facilities Services, and Construction
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