Embedded Software Engineer (Application) (d/f/m)Join to apply for theEmbedded Software Engineer (Application) (d/f/m)role atTK ElevatorLocation: Madrid, Community of Madrid, SpainSeniority level: Mid-Senior levelEmployment type: Full-timeWe are seeking a highly skilled and self‑motivated Applied Embedded Systems Engineer 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 robustLinux user‑space services and daemons, interface with devices through protocols likeSPI, 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 likesystemd, journald, and various Linux diagnosticswill be key to ensuring performance and reliability.Experience withREST, MQTT, and secure communication using TLS/mTLSwill support cloud integration across our embedded systems.Familiarity withYocto, CI pipelines, and Agile workflowsis 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 general product landscape.What we expectExpertise 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 (serial, I2C, SPI, GPIO).Familiarity with CMake‑based build environments and both modular and monolithic codebase structures.Comfortable with interface‑driven design, dependency injection, and unit testing with mocks.Deep understanding of Linux internals: processes, threads, IPC, filesystems, sockets, and signals.Hands‑on with systemd, journald, and networking tools (ip, dnsmasq, dhcpcd, etc.).Competence in diagnosing runtime behavior using gdb, valgrind, strace, lsof, top, perf, etc.Experience with logging infrastructure, log rotation, and structured logs.Familiarity with app

📌 Embedded Software Engineer (Madrid)
🏢 TK Elevator
📍 Madrid