Senior Software Engineer

Full Stack Software Engineer

Location: Gloucestershire
Salary: Competitive, dependent on experience

Please note - To be considered for this position, you must hold active UKIC (DV) clearance. Unfortunately, applications from candidates without active UKIC DV clearance cannot be considered.

Copello is working with a growing defence business, who are looking for Full Stack Software Engineers to work on complex, mission‑critical projects. You'll play a key role in designing, developing and maintaining modern software applications, collaborating with multidisciplinary teams to solve challenging technical problems using the latest technologies.

• Design, develop and maintain secure, scalable software applications.
• Build and integrate REST APIs, backend services and modern user interfaces.
• Write clean, maintainable code using test-driven development principles.
• Translate technical requirements into robust software solutions.
• Participate in Agile ceremonies, including sprint planning, stand‑ups and reviews.
• Collaborate with engineers, architects and stakeholders throughout the development lifecycle.
• Contribute to technical documentation and continuous improvement initiatives.

• Commercial experience developing applications using Java and Spring Boot.
• Experience with a modern front‑end framework such as React, Angular or Vue.js.
• Strong understanding of REST APIs and software integration.
• Experience with testing frameworks and Agile development practices.
• A collaborative approach with excellent problem‑solving skills.
• Passion for learning new technologies and developing innovative solutions.