Senior Developer

BAE Systems; United Kingdom; Hybrid; GBP 50,000; Full time

Job summary

A leading defense and aerospace company in the UK is seeking a Senior Developer who will be responsible for analyzing requirements, designing solutions, and developing robust software. The role requires strong experience in Java and Perl, along with web technologies such as JavaScript, HTML, and CSS. Candidates will enjoy benefits like flexible working arrangements, a competitive pension scheme, and opportunities for personal and professional growth within an inclusive work culture. Closing date for applications is 1st February 2026.

Benefits

Competitive pension scheme

Employee share plans

Flexible discounted health and lifestyle benefits

Private health plans

Annual incentive eligibility

Qualifications

• Strong experience in Java, minimum Java 8.
• Strong Perl experience.
• Strong experience in web technologies such as JavaScript, HTML, CSS.
• Strong experience in web services, SOAP-based and RESTful.
• A solid understanding of databases.

Responsibilities

• Analyse requirements and design software solutions.
• Collaborate with stakeholders to drive project outcomes.
• Investigate and resolve operational IT incidents.
• Coach and support junior developers.

Skills

Java

Perl

Object-oriented analysis and design

JavaScript

HTML

CSS

SOAP-based web services

RESTful web services

Database understanding

Education

BEng/MEng or Computer Science degree

Tools

Siemens Foran

Windchill

Teamcenter

Oracle Certification (OCP)

Java Certification (OCA)

Job description

Senior Developer

Location: Filton/Glasgow/Portsmouth – We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role.

Salary: Circa £50,000 (dependent on skills and experience).

What you’ll be doing

• Fully responsible for analysing requirements, estimating, designing, scoping, architecting, developing and unit testing capability.
• Demonstrate capability intent through authoring of design solutions, data modelling, process diagrams and other supplementary information along with direct collaboration with stakeholders.
• Contribute to planning and implementation of upgrade activities, including installation and configuration of software.
• Investigate operational IT incidents, apply effective fixes to resolve, checking the incidents are updated and closed in accordance with agreed procedures and standards.
• Consult with stakeholders to identify project needs, build trust and use experience and expertise to drive positive project outcomes.
• Utilise advanced technical expertise to optimise performance by diagnosing bottlenecks, conducting data profiling and benchmarking, and performing maintenance and complex toolset configuration.
• Participate in development processes and practices (Agile), backlog refinement, daily stand‑ups, show and tell sessions.
• Coach and support associate and junior developers to progress their tasks and help them grow within their own roles.
• Champion best practices, continuous improvement, coding standards and provide technical steer to other IT functions.

Your skills and experiences

Essential

• Strong experience in Java, minimum Java 8. Expected Java 11/21.
• Strong Perl experience.
• Strong object‑oriented analysis and design experience.
• Strong experience in web technologies such as JavaScript, HTML, CSS.
• Strong experience in web services, SOAP‑based and RESTful.
• A solid understanding of databases.

Desirable

• Experience with CAD (Siemens Foran/NX).
• Experience with Windchill or Teamcenter.
• Experience with Product Lifecycle Management.
• Certification of Java, minimum Java 8. Expected Java 11/21.
• Oracle Certified Professional (OCP).
• Java Certified Associate (OCA).
• Understanding of software design patterns.
• BEng/MEng or Computer Science degree.

Benefits

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

The Product Lifecycle Management Development team (PLM)

We provide Product Lifecycle Management (PLM) solutions crucial for both our Naval UK and key international export programmes. Our organisation is currently driving a pivotal, technology‑led digital transformation to optimise our entire operational landscape. As a key member of a small, dedicated development team, you will be instrumental in building core capabilities to address immediate business needs while proactively evaluating emerging technologies to secure our long‑term strategic advantage.

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 that values diversity of thought, rewards integrity, and merit. We welcome people from all backgrounds and want to ensure our recruitment processes are as inclusive as possible. If you have a disability or health condition that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Many BAE Systems roles are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible for. All applicants must achieve at least the Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting, typically needing 5 to 10 years of continuous residency in the UK to allow for meaningful security vetting checks.

Closing Date

1st February 2026. Interviews for this position will take place W/C 9th February 2026. We reserve the right to close this vacancy early if we receive sufficient applications for the role.