Software Engineer

BT Group; Belfast City District; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

10% on target annual bonus

Private GP 24/7

Carers leave

Pension scheme

Job summary

BT Group is seeking a Software Engineer to advance our consumer billing platforms by building robust backend services and microservices in Java/Spring Boot. You’ll contribute to cloud-native deliveries on AWS/EKS and work with Oracle DB on complex billing integrations, while applying modern engineering practices across the lifecycle.

The role emphasizes code quality, CI/CD automation, and collaboration with Product, QA, Architecture, and Operations to ensure reliable, scalable billing solutions

Qualifications

• Experience developing, testing, and supporting backend services and APIs using Java and Spring Boot.
• Understanding of microservices architecture, REST APIs, integration patterns, and modern software engineering practices.

Responsibilities

• Develop and enhance backend services and microservices supporting consumer billing journeys and platform improvements.
• Write, test, and maintain high-quality code within engineering standards and delivery plans.
• Support build, test, deployment, and release activities for safe and reliable change across billing services.
• Contribute to solution design discussions, code reviews, and technical refinement within a wider engineering team.

Skills

Java & Spring Boot

Microservices

API Development

Software Delivery

Education

Computer Science Degree

Tools

AWS & EKS

Oracle DB

CI/CD

NetCracker RBM

Job description

Job DescriptionJob Title: Software EngineerReq ID: 61975Job Function: Software EngineeringPosting Start Date: 21/10/2026Posting End Date: 28/10/2026Division: DigitalJob Location: GBR Belfast - Riverside TowerAdvertised Salary: CompetitiveJob Req ID:Posting Date:Function:Location:Salary:## **About the role**The Software Engineer plays an important role in supporting the development and evolution of BT’s consumer billing platforms. This role is focused on building and enhancing backend services and microservices, contributing to the delivery of new technology that improves platform capability, reliability, and customer outcomes. Working as part of a co-located FTE engineering team, the role provides the opportunity to develop strong hands-on experience in Java/Spring Boot, AWS, EKS, and Oracle DB, while learning modern engineering practices across cloud-native development and enterprise billing systems. By contributing high-quality code, supporting continuous improvement, and helping deliver resilient billing solutions, this role is key to enabling a more flexible and future-ready consumer billing estate.## **What you’ll be doing**Software Development & Delivery · Develop and enhance backend services and microservices that support consumer billing journeys, integrations, and platform improvements. · Contribute to the delivery of new technology by writing, testing, and maintaining high-quality code within agreed engineering standards and delivery plans. · Support build, test, deployment, and release activities to help deliver safe and reliable change across billing services. Application Design & Engineering Practice · Apply established engineering patterns and guidance to build Java/Spring Boot services, APIs, and integrations that are secure, supportable, and scalable. · Contribute to solution design discussions, code reviews, and technical refinement activities as part of a wider engineering team. · Learn and apply modern engineering practices such as microservices design, API-first development, version control, and automated testing. Cloud Platform & Operational Support · Support the deployment and operation of billing services in AWS and EKS, following established standards for logging, monitoring, and resilience. · Assist with troubleshooting incidents, resolving defects, and improving service reliability in production and non-production environments. · Contribute to CI/CD improvement, deployment automation, and operational best practice through continuous learning and hands-on support. Data & Billing Platform Support · Develop and maintain application components that interact with Oracle DB, following agreed patterns for data access, integrity, and performance. · Support billing platform integrations and help maintain reliable dependencies across Oracle DB and the NetCracker RBM instance. · Work with teammates and dependent systems to help maintain billing flows, reconciliations, and service continuity. Collaboration & Growth · Work closely with engineers, Product, QA, Architecture, Operations, and other teams to support delivery of billing solutions. · Take feedback positively and use mentoring, code reviews, and day-to-day collaboration to grow technical capability and confidence. · Contribute to a customer-focused, delivery-driven, and one-team culture by being committed, clear, and connected in how you work.## **Essential Skills / Experience*** **Java & Spring Boot Development**: Experience developing, testing, and supporting backend services and APIs using Java and Spring Boot.* **Microservices & API Development**: Understanding of microservices architecture, REST APIs, integration patterns, and modern software engineering practices.* **Software Delivery & Problem Solving**: Experience contributing to software delivery through coding, debugging, testing, release support, and defect resolution within an engineering team.## **Desirable Skills / Experience*** **AWS & EKS (Kubernetes)** cloud platform experience.* **Oracle Database** knowledge, including SQL, data access, and performance considerations.* **CI/CD & Deployment Automation** experience.* **Enterprise Billing Platform** experience.* **NetCracker RBM** exposure or knowledge.* **Production Support & Incident Management** experience.* **AI Technologies in Software Engineering** (e.g., AI-assisted development tools).* **Computer Science Degree** or equivalent technical qualification.## **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.Join us at a pivotal moment for BT Business. We are executing a multi-year transformation to restore growth, modernise at scale and unlock new markets beyond connectivity. Our ambition is clear – return to sustainable revenue and EBITDA growth, strengthen our market position, and deliver meaningful shareholder value through disciplined execution and bold reinvention. We are fundamentally reshaping the business – simplifying our portfolio, digitising our customer experience and building market-leading capability across cyber, AI and managed services, all powered by the UK’s leading fixed and mobile networks. This is a shift from a legacy connectivity provider to a modern, solutions-led, AI-first business that can truly differentiate in a competitive and fast-moving market. With execution momentum building and a clear path to growth, the opportunity now is to scale what works, accelerate performance and fully realise our potential. This is about delivering against ambitious financial outcomes while transforming how we operate – creating a business that is simpler, faster, more innovative and easier to do business with. If you want to be part of the team shaping the turnaround of a multi-billion-pound business – and building a stronger, more competitive BT for the future – this is your moment.