Leeds (Hybrid)
Permanent
£70,000 £75,000 (DOE)

Java Developer needed for a permanent career opportunity based in Leeds (Hybrid). Start ideally Feb/March 2026.

Hybrid Working 2 days/week remote (WFH), and 3 days/week working on-site from the Leeds office.

A chance to work with a leading global IT transformation business specialising in delivering large-scale Government digital modernisation projects.

Key skills, experience + duties to include:

• Java Developer needed with strong front/back-end development skills + experience of AWS Cloud environments.
• Designing, developing + implementation robust + secure Java software solutions using Core Java and Spring Boot.
• AWS Cloud Services including: S3, Lambda, Step Functions, Athena, Glue, DynamoDB, OpenSearch, CloudFormation, API Gateway, ECS, CloudWatch.
• Advantageous skills: understanding of DevOps/DevSecOps concepts, Docker, Containerisation + AWS Associate Developer accreditation.
• Technical Environment: Core Java, Spring Boot, AWS Cloud Services, Kotlin, AngularJS, Jenkins, NodeJS, SQL/NoSQL databases, DynamoDB, GitHub, Backend, Frontend, CI/CD, DevOps, (url removed).
• Benefits: Salary to £70k-75k (DOE) + Hybrid + 10% Bonus + Pension + 22 days holiday + BHs (rising to 25 days) + Death in Service + Health Care Plan + More.

DevOps Engineer / Site Reliability Engineer -£35,000 to £100,000 per annum - SC or DV clearance required

Two roles available, each based in either Woking or Hampshire, with hybrid working (two days per week on site)

We are hiring two DevOps and Site Reliability Engineers to join a highly technical consultancy working in the secure sector. Either role can be based in Woking or Hampshire. The hybrid arrangement is two days per week in the office, with the remaining time from home.

There are two positions. One will support a live MoD account. The other will focus on internal systems and platform capability.

Both roles are open to people at any stage of their career. We do not want salary expectations to be a blocker, so we’re happy to have a straightforward conversation early and agree an appropriate figure before submission.

This consultancy places real emphasis on long-term research, engineering quality and innovation. While there is always an element of delivery, the work is structured to allow time for improving platforms, introducing automation and doing things properly rather than simply keeping systems running.

You will work directly with the Head of Software, who is highly experienced and enthusiastic about automation and modern engineering practices. There is genuine scope to influence technical direction and ways of working.

This is secure-sector work and SC or DV clearance is required. Existing clearance is strongly preferred. In some cases, sponsorship may be possible where eligibility and role fit are clear.

We’re looking for engineers who dislike repetitive manual work, take ownership of reliability and operations, and make the case for better, more automated ways of working. If you enjoy improving platforms, reducing friction and making systems more robust over time, you’ll fit well.

Experience with some of the following would be useful, but you don’t need all of them: Kubernetes, Docker, Helm, Terraform, Ansible, Jenkins, GitLab and CI/CD pipelines, Python, Java and Spring, JavaScript and React, and any major cloud platform.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

TPBN1_UKTJ

Java Engineer | Glasgow based | Must have Azure experience! | £550-£700 (Inside IR35) | 6 months initially (likely extension)

We’re looking for a Java Engineer, that has previous experience working with Azure, specifically Azure app services for a range of exciting projects. If you don’t hold strong experience in this cloud, it will not be right for you.

Rate: £550-£700 (Inside IR35)
Length: 6-month initial contract, strong likelihood of extension
Location: Scotland (fully on site)

Key Skills & Experience:

• Strong core Java development background
• Experience with Spring Boot
• Exposure to Azure App Services
• Proficiency with CI/CD pipelines (Jenkins preferred)
• Terraform experience desirable
• Must have valid Right to Work in the UK (no sponsorship available)

You’ll be joining a well established organisation, working on a range of internal systems and services.

If this sounds like you, apply now for more details!

Java Engineer | Glasgow based | Must have Azure experience! | £550-£700 (Inside IR35) | 6 months initially (likely extension)

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Software Engineer (Java)SC Clearance RequiredCertain 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 AdvantageWe 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.

On behalf of our client, we are seeking to recruit a Java Software Developer on an initial 12-month contract. As the Java Software Developer, you shall contribute to all stages of the software development lifecycle and thus have solid experience in design (particularly using UML), development (particularly using Java technologies) and test. The developer should have experience of working with microservices. Automated testing is a critical part of the project so any experience of this would be highly beneficial

Role: Java Software Developer
Pay: 55 per hour Via Umbrella
Location: Portsmouth
Contract: Monday - Friday 37 hours per week, 12 months contract
IR35 Status: Inside
Security Clearance: Security Clearance required on submission

Responsibilities

• Development of code within an agile environment (scrum).
• Working with the team to design, implement and test features for a new product development.
• Task estimation in accordance with sprint planning.

Essential Skills:

• 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
• Web Services using RESTful APIs
• 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

If you are interested in applying for this position and you meet the requirements, please send your updated CV to: Natalie Dalkin at Line Up Aviation

Line Up Aviation has carved its own place in the recruitment of Aviation and Aerospace personnel all over the world for more than 30 years. We work with some of the industry’s best known companies who demand the highest standard of applicants.

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