Software Ontwikkelaar (m/v)

Junior Software Engineer (Java & AWS) Cheltenham / hybrid £40,000 - £50,000 plus bonuses and benefits We are seeking a motivated and talented Junior Software Engineer to join a global leader in defence, cyber, and national security solutions. Based in Cheltenham, you will work alongside experienced engineers, architects, and delivery teams to develop secure, scalable software solutions that support critical government and defence programmes. This is an excellent opportunity for an early-career software engineer looking to develop their technical skills in a highly collaborative environment while working on projects that have real-world impact. Design, develop, test, and maintain software applications using Java. Support the development and deployment of cloud-native solutions within AWS environments. Collaborate with senior engineers and technical teams to deliver high-quality software solutions. Participate in code reviews and contribute to software design discussions. Assist with troubleshooting, debugging, and performance optimisation activities. Contribute to CI/CD pipelines and automated testing practices. Ensure solutions adhere to security, quality, and compliance standards. Work effectively within Agile delivery teams, participating in sprint planning, stand-ups, and retrospectives. Commercial experience in Java development. Understanding of object-oriented programming principles and software engineering best practices. Experience with AWS services such as EC2, Lambda, S3, RDS, ECS, or similar. Understanding of software testing methodologies and automated testing frameworks. Exposure to Agile development methodologies. Experience with Spring Boot or related Java frameworks. Due to the nature of the work, applicants must hold active SC (Security Check) clearance Competitive salary and excellent benefits package. Structured career development and mentoring from experienced engineers. Exposure to cutting-edge defence and cyber security projects. Ongoing training and certification support. Opportunities to work with modern cloud and software engineering technologies. This role is ideal for a junior software engineer who is passionate about Java development, cloud technologies, and delivering secure software solutions within a mission-critical defence and cyber environment.