We are seeking an experienced Firmware Security Engineer with strong expertise in embedded firmware development, security, networking, and Linux-based systems. The adecuado candidate will design, develop, test, and integrate secure firmware components for embedded devices while working closely with cross-functional engineering teams. Experience with C/C++, Python, Embedded Linux, security protocols, networking, debugging tools, and firmware validation is highly preferred. A continuación, encontrará un desglose completo de todo lo que se requiere de los posibles candidatos, así como la forma de presentar su candidatura. Strong experience in Embedded Firmware Development and Software Engineering.
Hands-on experience with C, C++ (11/14), Python, and TCL programming languages.
Strong understanding of firmware architecture, software design patterns, and scalable embedded software design.
Hands-on experience with APIs and secure web services.
Good knowledge of Assembly (when required), RTOS concepts, and embedded systems development.




Strong experience working in Linux (embedded and development environments), Windows, and macOS.
Experience with Git/GitHub version control systems.
Experience with unit testing frameworks (GTest/GMock).
Experience using Make, CMake, and Jenkins or similar CI/CD tools.
Familiarity with GCC ARM toolchains, package managers (apt, pip), and Docker-based development environments.
Experience implementing TLS/SSL, OpenSSL, PKI, certificate management, and secure communication protocols.
Experience using Wireshark for networking analysis, packet capture, and protocol debugging.
Hands-on experience with Yocto for Embedded Linux image customization and layer integration.
Experience with firmware testing, validation, bug fixing, system integration, and prototype support.
Ability to analyze software changes, resolve manufacturing and prototype issues, and collaborate with firmware, software, and hardware engineering teams.
Fluent English is required; Ascend

📌 Firmware Engineer (Barcelona)
🏢 CareerWallet
📍 Barcelona