C Software Engineer (Hybrid)

Description

Job Summary: We are seeking a multi-platform C Software Engineer for low-level development, optimization, and architecture within critical business solutions. Key Highlights: 1. Multi-platform C development in Windows and Linux environments. 2. Participation in the evolution of critical business solutions. 3. Work on optimization, performance, and low-level architecture. DESCRIPTION Are you interested in working in low-level development environments where performance, optimization, and architecture are key? We are looking for a C multi-platform Software Engineer to join a long-term project offering high stability, working on Windows and Linux platforms and participating in the evolution of critical business solutions. ### **Conditions** * Permanent contract * Hybrid work model: 2 days per week onsite * Location: Madrid. * Full-time schedule * Salary: Based on experience: €35,000 – €42,000 gross annual. ### **Your Responsibilities** * Develop and maintain low-level applications in C. * Design and implement multi-platform solutions for Windows and Linux environments. * Manage inter-process communication (IPC), sockets, and concurrency mechanisms. * Perform performance optimization and efficient memory management. * Carry out diagnostics, debugging, and resolution of complex incidents. * Collaborate with cross-functional teams on technical architecture evolution. * Participate in continuous integration and deployment processes. REQUIREMENTS ### **Mandatory** * Solid experience in advanced C development. * In-depth knowledge of: * Pointers. * Memory management. * IPC (message queues, shared memory, semaphores). * Sockets. * Input/output multiplexing in Unix/Linux environments. * Experience with tools: * gcc * make * cmake * gdb * valgrind * strace * Windows development experience: * WinAPI * Visual Studio * MinGW * Azure DevOps / Team Foundation Server * Linux systems experience: * Process management * File system * Development tools * IPC mechanisms * Knowledge of Informix 12 or higher. ### **Desirable** * Experience with the Spring ecosystem: * Spring Boot * Spring Batch * Spring Data * Spring Integration * Recent Angular experience. * Knowledge of REST API design and development. * Familiarity with API Management concepts. * Experience performing technical architecture roles. #### **Digital Group** #### **We are a team of over 100 technology professionals, offering stable projects with leading national and international clients, developing solutions in Artificial Intelligence, Cloud, Cybersecurity, etc.** #### **We commit to supporting you throughout every project phase to ensure your professional growth with us and that your contribution truly matters.** #### **Want to stay up-to-date with the latest technologies and take on new challenges? Send us your CV and we’ll contact you!**