- Microservices Architecture & Solution Design
- Design and evolve cloud-native billing solutions using microservices architecture, API-first design, and scalable integration patterns.
- Make key technical decisions across Java/Spring Boot services, AWS-hosted workloads, EKS deployment models, and Oracle DB data design.
- Ensure solutions are secure, scalable, supportable, and aligned to enterprise architecture and billing domain requirements.
- Hands-on Engineering & Technical Execution
- Create and enhance new microservices and backend capabilities using Java and Spring Boot to support billing journeys, integrations, and platform modernisation.
- Review, optimise, and troubleshoot application code, service interactions, container deployments, and database access across the billing estate.
- Support technical discovery for existing and brownfield billing applications to identify dependency, migration, and simplification opportunities.
- Cloud Platform, Reliability & Operations
- Ensure billing services are deployed and operated effectively in AWS and EKS, with strong observability, logging, alerting, and operational controls.
- Lead production readiness, resilience planning, performance tuning, and root-cause analysis for customer and revenue-impacting incidents.
- Improve CI/CD pipelines, deployment automation, and engineering practices to accelerate safe and repeatable change.
- Data & Billing Platform Integrity
- Guide Oracle DB usage, data access patterns, and schema considerations to ensure performance, integrity, and traceability across billing solutions.
- Work with dependent systems and teams to maintain reliable billing flows, reconciliations, and operational controls across integrated services, including maintaining Oracle DB integration and support for the NetCracker RBM instance.
- Leadership & Team Development
- Provide technical leadership to engineers, setting direction through design reviews, code reviews, and architectural guidance.
- Mentor team members in microservices engineering, Java/Spring Boot development, AWS/EKS operations, Oracle DB integration, and modern engineering practice.
- Drive a culture of accountability, continuous improvement, and operational excellence across delivery teams.
- Stakeholder & Cross-Functional Alignment
- Collaborate with Product, Architecture, Security, QA, Operations, and dependent delivery teams to align technical change to business priorities.
- Communicate delivery plans, technical decisions, risks, and trade-offs clearly to support informed decision-making across stakeholders.
Essential Skills / Experience
Java/Spring Boot & Microservices Engineering: Strong experience building and supporting scalable backend services using Java, Spring Boot, microservices, and API-first architectures.
Cloud Platforms (AWS/EKS): Proven expertise deploying and operating cloud-native applications in AWS and EKS, including containerisation, observability, resilience, and CI/CD practices.
Technical Leadership & Delivery: Experience leading end-to-end engineering delivery, making architectural decisions, mentoring engineers, and driving operational excellence across complex enterprise platforms.
Desirable Skills / Experience
Oracle Database expertise including schema design, performance tuning, and data integration.
Consumer Billing Platform experience within telecoms or other large-scale enterprise environments.
NetCracker RBM knowledge and associated billing platform integrations.
Event-Driven Architecture & Domain-Driven Design (DDD) experience.
CI/CD Automation & DevOps tooling expertise.
Production Support & Incident Management including root cause analysis and resilience planning.
Cross-Functional Stakeholder Management across Product, Architecture, Security, QA, and Operations teams.
AI technologies within Software Engineering and operational environments.
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.
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.
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