TXT e-Tech, a company within the TXT Group, is looking for a Senior Software Engineer. For a client in the aviation sector, we are looking for a Senior Software Engineer who will be responsible for the development of the entire lifecycle of an aviation application software (requirements and architecture). Main responsibilities: Requirements analysis; Architecture definition; Code development. Technical skills required: ADA; C/C++; Knowledge of SW Architecture; Requirements analysis; Good knowledge of the English language. Knowledge of Testing and Validation will be considered a plus. Education: Master's degree in Computer Engineering/Physics, Mathematics, Aeronautical Engineering, or related fields. Why choose TXT Group: Permanent contract; Integration into a dynamic, stimulating, and international work context; Opportunity to participate in the development and progress of the sector, engaging in high-profile technical projects ; Corporate Benefits (health insurance, welfare, Ticket Restaurant, employee discounts within the group). Entry level and salary will be commensurate based on actual experience and seniority.