C/C++ Developer

Alter Solutions Portugal is an IT Consultancy Company, promoter of Digital Transformation, part of the Alter Solutions Group, created in 2006, in Paris. In 2022, Alter Solutions joined the act digital group, constituting a global community of talent in Technology, with presence in thirteen countries: Germany, Belgium, Brazil, Canada, United States of America, Mexico, Morocco, Spain, France, Luxembourg, Poland, Portugal and Serbia. Also in 2023, we were certified as a Great Place to Work©. In Portugal, we partner with over 120 clients and a team of over 500 people, working in projects for industries as diverse as banking, insurance, transportation, aviation, energy, and telecom. Headquarters of the Nearshore IT center, Alter Solutions Portugal has a dedicated team of around 30 specialized professionals, integrated into projects with several internationally renowned clients. We are looking for a passionate and detail-oriented C/C++ Developer to join our R&D team focused on RFID and retail security systems , including electronic article surveillance (EAS) and alarm systems for retail environments . You will be part of a team designing, implementing, and maintaining low-level embedded software solutions that directly interface with RFID hardware, sensors, and control units used in store security. This role will follow a hybrid work model in São João da Madeira, Aveiro.  Responsibilities - Develop and maintain applications and firmware primarily in C , with parts in C++ . - Integrate with RFID readers, antennas, tags , and alarm systems . - Work with hardware engineers to ensure seamless hardware-software communication. - Optimize performance and reliability of embedded software in resource-constrained environments. - Participate in design reviews, testing, debugging, and documentation. - Collaborate cross-functionally with QA, hardware, and support teams. - 3+ years of professional experience in C development (mandatory). - Solid experience with C++ for embedded or systems programming. - Familiarity with microcontrollers , RTOS , or bare-metal development. - Good understanding of memory management , interrupts , and real-time constraints. - Ability to read datasheets and work closely with hardware specs. - Comfortable working with cross-functional teams and writing clean, maintainable code. - Good English (written and spoken) for technical communication.