Senior Java Developer

Sanderson Government and Defence; Newcastle upon Tyne; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

Three days onsite in Newcastle

Job summary

Sanderson Government and Defence in the United Kingdom is seeking a senior Java developer to lead enterprise‑grade applications. You will work across Java 8–17, Spring Boot and Spring MVC, and collaborate with cross‑functional teams in a hybrid Newcastle‑based office.

The role emphasizes mentoring, leadership, and effective communication while maintaining BPSS/SC security clearance requirements. Three days per week onsite at Cobalt Business Park, Newcastle.

Qualifications

• Java development experience in enterprise environments (Java 8–17).
• Proven Spring Framework experience including Spring Boot and Spring MVC.
• JavaScript development experience.
• Hands-on Java in enterprise environments.
• Ability to mentor and support junior developers.
• Excellent communication, leadership, and collaboration skills.
• Must meet BPSS and SC security clearance checks.
• Must have a continuous 5-year UK address history with limited absences.

Responsibilities

• Champion coding standards, branching strategies, TDD, CI, and continuous testing.
• Collaborate with technical leads to design and implement scalable microservices.
• Ensure seamless integration across components.
• Support test automation efforts with QA teams.
• Contribute actively in an Agile Scrum environment.
• Mentor and support team members across development and testing.
• Deliver high-quality solutions on large-scale projects.
• Attend Newcastle office three days per week as part of hybrid work.

Skills

Java 8-17

Spring Framework

JavaScript development

Mentoring

Communication & leadership

BPSS/SC clearance

UK address history 5 years

Tools

Spring Boot

MVC

TDD

Microservices

CI/CD

Job description

Salary: £100,000 - 100,000 per year

Requirements

• We require strong commercial experience with Java, specifically versions 8 to 17.
• We require proven expertise with Spring Framework technologies, including Spring Boot and Spring MVC.
• We require experience with JavaScript development.
• We require current hands-on Java development experience within enterprise environments.
• We require the ability to mentor, guide, and support junior developers.
• We require excellent communication, leadership, and interpersonal skills, with the ability to collaborate effectively across teams.
• We require the ability to meet BPSS and SC security clearance checks.
• We require a continuous 5-year UK address history at the time of application, with no absences from the UK exceeding 30 consecutive days, subject to client engagement requirements.

Responsibilities

• We champion best practices in software development, including coding standards, branching strategies, Test-Driven Development, Continuous Integration, and Continuous Testing.
• We collaborate with technical leads to design and implement scalable microservices architectures.
• We ensure seamless integration across technical components.
• We support test automation activities by working closely with QA engineers to validate functional and non-functional requirements.
• We actively contribute within an Agile Scrum environment, including sprint planning, backlog refinement, daily stand-ups, sprint reviews, and retrospectives.
• We mentor and support team members across development and testing activities.
• We help deliver high-quality solutions across large-scale, impactful projects.
• We attend our Newcastle office at Cobalt Business Park three days per week as part of our hybrid working model.

Technologies

• Support
• Java
• JavaScript
• MVC
• Security
• Spring
• Spring Boot
• microservices
• TDD

More

We are a collaborative, forward-thinking organisation delivering innovative technology solutions to real-world challenges across a range of industries. Our work supports the transformation of leading organisations and communities on a global scale, and we provide opportunities to develop technical expertise while working alongside experienced professionals on impactful projects that support both personal and professional growth. We offer a hybrid working model based in Newcastle upon Tyne, with three days per week onsite at our Cobalt Business Park office. We are proud of our diverse and inclusive community and welcome applications from people of all backgrounds and perspectives, with support available during the recruitment process where needed.

last updated 40 week of 2026