Java Software Engineer

Job description

Software Engineer (Java)

SC Clearance Required

Certain Advantage are hiring for a Software Engineer based in Portsmouth.

This role is on an initial 12-month contract and is required to be onsite 3 days a week.

Your responsibilities:

• Contribute across the full software development lifecycle, including design, development, testing, and deployment.
• Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment.
• Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies.
• Implement and maintain RESTful web services over HTTPS within distributed systems.
• Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset.
• Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives.
• Collaborate closely with team members and wider stakeholders to design, implement and test new product features.
• Contribute to CI/CD pipelines, source control (Git) and issue tracking tools such as Jira.
• Ensure compliance awareness and act with integrity, supporting standards, reputation and sustainable growth.

The individual:

• Java Core (version 8+)
• Spring Boot, Spring Framework - Good knowledge of Developing in Spring with Hibernate
• Good Knowledge of developing REST within HTTPS
• Experience of developing within a microservice architecture
• Distributed systems
• Knowledge and use of software design patterns
• Agile Development Processes
• CI/CD delivery techniques
• Source code management (we use GIT)
• Use of Issue tracking systems (such as Jira)
• UML/SysML using Enterprise Architect or similar
• Ability to self-motivate and to work well within a team environment.
• Ability to promote innovation in self and others
• Ability to interact with internal & external stakeholders in a confident and professional manner

Does this sound like your next career move? Apply today.

Working with Certain Advantage

We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.

We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering. If this job isn’t for you, head to certainadvantage.co.uk and register for job alerts and career guidance tips.

Extra information

Status

Open

Education Level

Secondary School

Location

Portsmouth

Type of Contract

Full-time jobs

Published at

04-02-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English