Role: Software Engineer Location: Eastleigh(Hybrid) Duration: 12 months Inside IR35: Umbrella About our client: Our client is a leading aerospace engineering company specializing in jet engines, avionics, and integrated systems for both military and commercial aircraft. They operate major UK facilities, including maintenance, repair, and overhaul (MRO) sites Job Description Summary The Ground Application Software Engineer designs, builds, and sustains ground-based software applications and services that support mission-critical operations, including data ingestion, processing, and integration with back-end services and hardware systems. This role partners closely with product, systems, platform, data, and test teams to deliver high-quality, secure, and reliable software that improves Safety, Quality, Delivery, and Cost. Essential Responsibilities As a Ground Applications Software Engineer in the Aircraft Services Department, you will; Drive design reviews, define interfaces between code modules, and applies existing technology to designs Architect, implement, and maintain ground applications (services, and tooling) with clean, modular, and testable code Build user interfaces and operator tools that are reliable and performance oriented. Integrate with existing software, simulators, test equipment, and external systems using well-defined contracts and protocols Implement and maintain data schemas, messaging, and event-driven integrations. Establish unit, integration, and end-to-end tests Experience in writing and developing test cases Experience in developing and maintaining automated testing software. Apply secure coding practices, identity and access controls, and data protection. Participate in sprint planning, code reviews, and design reviews; contribute to documentation and user manuals Support deployments, environment configuration, and deployment activities. Work cross-functionally with project managers, systems engineers, and end users to refine requirements Drive root-cause analysis, retrospectives, and improvements that enhance Safety, Quality, Delivery, and Cost Strong problem-solving, systems thinking, and debugging skills Clear, concise communication and documentation Collaboration and respect for people; effective code review and mentoring Continuous improvement mindset; data-driven decision makingRequired Qualifications Proficiency in the following development languages C++, C and XML Skilled in relational and SQL database development and schema design Experience using Python Understanding of the Software Development LifecycleDesirable Qualifications / Requirements Strong knowledge of Object-Oriented Analysis and Design, Software Design Patterns and coding principles Bachelor's degree in computer science or "STEM" Majors (Science, Technology, Engineering and Math) with advanced experience Experience using Github Experience using IBM Engineering Workflow Management Familiarity with regulatory or quality frameworks (e.g., AS9100, DO-178C, ISO 27001), and software safety practices Experience in TestComplete automated testing tool Desired Characteristics You will be required to work in a team environment, so good written and verbal communication skills will make you (& the team) most effective. You will be asked to participate in technical reviews within the Aircraft Services team to share technical knowledge and solutions, as well to the end customers. A positive attitude, initiative, pro-activeness and an enthusiasm and passion for engineering will help you succeed in the department. Familiarity with tools such as DOORS, Rally, Azure DevOps, Jira, as well as experience with continuous Integration, Build and Test practices would also be advantageous as we continue to improve our product portfolio and the way we develop software solutions. Our goal as a team is to demonstrate success in achieving and exceeding customer expectations. Does this sound like something you would like to be part of?