Java Software Engineer (Automation)

BAE; London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading defense contractor in London is seeking a Java Software Engineer to enhance testing coverage and quality in their services. This role emphasizes collaboration, flexibility, and remote working options. Candidates should have experience with Java, JUnit, and Spring Framework. A competitive referral bonus is offered as part of the role's perks.

Benefits

Referral bonus

Flexible working arrangements

Competitive pension scheme

Qualifications

• Experience with Java and improving test coverage.
• Ability to collaborate within a technical team.
• Understanding of functional and non-functional requirements.

Responsibilities

• Improve code coverage in Cerberus Rules backend services.
• Identify weaknesses in existing test suites.
• Collaborate with Software Engineers for testing guidance.

Skills

Code coverage improvement

Java (17)

JUnit (5)

Spring Framework

Team collaboration

Tools

TestContainers

ToxiProxi

Job description

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Java Software Engineer (Automation), London

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Client:

BAE

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

d5b473e4e860

Job Views:

5

Posted:

01.08.2025

Expiry Date:

15.09.2025

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Job Description:

BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.

Job Title: Java Software Engineer

Location: London -We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role

Grade: GG09-GG11

Referral Bonus: 5000

What You’ll Be Doing

• I mprove levels of code coverage in Cerberus Rules backend services
  • Primarily making use of Java (17), Junit (5), Spring Framework and Spring boot (3.x)
• Identify areas of weakness in existing test suites and make appropriate improvements
• Contribute to reduction in defects found in preSIT environment by increasing test coverage and quality
• Run spikes/Proof of Concept work to identify better ways of testing (e.g. TestContainers and ToxiProxi)
• Refactor existing code to make it easier to test
• Refactor existing test code to improve maintainability and readability

Skills & Experience:

• Produces or validates the schedule and effort estimate for each performed task
• Demonstrates an understanding of the importance of schedule and endeavours to estimate accurately and deliver according to those estimates
• Demonstrates skill and adeptness in team collaboration, technical discussion and negotiation
• Continually increases personal understanding of the test frameworks, technical concepts, methods and measurements that underpin the engineering disciplines and practices of BAE systems
• Works with Software Engineers to guide and assure their testing
• Works with requirements owners to refine requirements such that they may be proven through testing
• Demonstrates the ability to understand, challenge, contribute or construct functional and non-functional requirements and be capable of building tests in line with the requirements
• Exploits appropriate test methods, languages, libraries and techniques and apply these to software engineering tasks to realise the most effective outcome
• Ensures that all work is consistent with defined standards where standards exist and to withstand professional scrutiny in any case
• Ensures high quality and delivery standards are met and consistently deliver quality test artefacts and reports on time and within estimate.
• Demonstrates the professionalism to reflect on and improve personal performance
• Works as a member of an engineering team, collaborates with other team members and participates in technical discussions and conversations with customers

The Public Sector Team

We work hard and often go the extra mile, but we recognise people’s efforts and that everyone has a life outside of work. We encourage people to speak up if they want to rotate to a new project.

As well as a competitive pension scheme, BAE Systems also offer employee share plan, an extensive range of flexible discounted health, wellbeing and lifestyle benefits including including a green care scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture which values diversity of thought, rewards integrity and merit, and where you’ll be empowered to fulfil your potential. We welcome candidates from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factor such as your nationality, any nationalities which you previously may have held and your place of birth can restrict the roles you are able to perform within the organisation.

All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks

We are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.

By embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well-being.

Diversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds – the best and brightest minds – can work together to achieve excellence and realise individual and organisational potential.