Software Engineering Specialist

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About the role

The Consumer Billing Engineering Lead plays a critical role in modernising and scaling BT’s billing platforms, leading the rollout of new technology that improves reliability, agility, and customer outcomes. This is a hands-on technical leadership role responsible for shaping and delivering cloud-native solutions, creating new microservices, and guiding the evolution of billing capabilities across complex enterprise systems. The role requires strong technical depth in Java/Spring Boot, AWS, EKS, and Oracle DB, combined with the ability to lead engineering direction, mentor teams, and ensure high-quality delivery.

By driving modern architecture, operational excellence, and continuous improvement, this role is central to enabling a more flexible, resilient, and future-ready consumer billing estate.

What you’ll be doing

Technology Rollout & Engineering Delivery
· Working with an FTE co-located teams you will lead the rollout of new technology across Technical Skills consumer billing platforms, ensuring changes are delivered safely, predictably, and with minimal service disruption.
· Drive end-to-end delivery from solution design through build, test, deployment, and production support for billing services.
· Establish engineering standards, release readiness, and delivery controls that support resilient, high-quality platform change.

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 Net Cracker 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…