Java Software Engineering Specialist

• Job Function: Software Engineering
• Posting Start Date: 27/10/2026
• Posting End Date: 05/11/2026
• Division: Networks
• Job Location: GBR Ipswich - Orion Building, GBR-Birmingham-Three Snowhill
• Advertised Salary: Competitive with Benefits
• Job Req ID: 59220
• Function: Networks
• Location: Ipswich or Birmingham Hybrid
• About the role

We’re the Broadband Software team, in BT's Fixed Networks unit. We design, develop and maintain back-end software that keeps BT’s broadband networks running. Our software gives the network its intelligence. We keep track of ~10m subscribers on the network and provide APIs to personalise the network for each customer. We also gather and report on metrics to ensure the network always provides an excellent service.

We develop applications that supply a broadband experience for our customers at a quality and scale that is unrivalled in the UK. We're also busy developing a new generation of content delivery approaches. These innovative solutions will underpin the future of media distribution for everyone in the UK as part of the industry and consumer migration to an all-IP future for access to the content we all love.

A big focus for the team today is to break down barriers between design, development, delivery and operations by automating our delivery pipeline. We believe in engineering excellence, transparency, and continuous improvement.

What you’ll be doing

• Design, develop and test software components for the broadband network
• Design deployment strategies for multi-component, fault-tolerant, distributed services
• Lead design of new components
• Liaise with vendors and other BT teams to ensure their components meet our specifications
• Represent the team in larger, cross-team projects
• Mentor less-experienced team members
• Package software for automated deployment
• Respond swiftly to mitigate security vulnerabilities
• Develop and maintain CI/CD pipelines
• Collaborate within an agile framework with all stakeholders (local team as well as infrastructure and operations teams)
• Share knowledge and experience with colleagues
• Develop your own skills and experience and Investigate new technologies & ways of working
• Essential Skills / Experience

• Demonstrable experience of writing robust software with Java and Python
• Software engineering principles (e.g. data typing, decomposition, reuse)
• Good understanding of APIs (REST) and system integration
• Experience using containerized deployment environments (Docker)
• Knowledge of CI/CD pipelines and version control (Git, Jenkins)
• DevOps and mindset - repeatable delivery using tools like Docker, Kubernetes, Jenkins/Git Runners
• DevOps - ability to package software for automated, repeatable delivery
• Desirable Skills / Experience

• Knowledge of TCP/IP protocol stack, including RADIUS and SNMP
• Presentation of ideas to external audience
• We use these technologies: Java, Python, UNIX Shell scripting, Maven, Docker, Git, Jenkins, Ansible, HashiCorp orchestration products, Grafana, Kafka, Redis, Atlassian suite, Kubernetes, OpenStack
• Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include:

10% on target annual bonus

Access to an online private GP 24/7 for you and your immediate family

Market-leading paid carers leave with up to 2 weeks off

Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay

Discounted EE and BT products, including mobile and broadband

Market leading Pension scheme – 5% from you and 10% from us

* Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready. Ready to connect for good and help shape the future? Apply now.

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.

Apply now