Software Engineering Specialist

BT Group; Belfast City District; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

10% on target annual bonus

Online private GP 24/7

Carers leave up to 2 weeks

Maternity/Paternity leave – 18 weeks/8

BT product discounts

Pension scheme – 5% + company 10%

Holiday purchase scheme

Job summary

BT Group in Belfast is seeking a Software Engineering Specialist to lead the rollout of cloud-native billing technologies and guide modernisation across complex enterprise systems. You will design, build and operate microservices with Java/Spring Boot, AWS/EKS, and Oracle DB, while mentoring teams and driving high-quality delivery.

The role emphasizes architectural leadership, reliability, and scalable solutions in a fast-paced telecoms environment, with strong focus on operational excellence

Qualifications

• Strong experience building backend services using Java/Spring Boot and microservices.
• Experience deploying and operating cloud-native apps in AWS/EKS with CI/CD practices.
• Proven technical leadership and end-to-end delivery experience across enterprise platforms.

Responsibilities

• Lead rollout of new technology across consumer billing platforms with minimal service disruption.
• Drive end-to-end engineering delivery from design to production support.
• Establish engineering standards, release readiness and delivery controls for resilient changes.
• Design cloud-native billing solutions using microservices, API-first approaches and scalable integration.
• Mentor engineers, review designs, and promote operational excellence.

Skills

Java/Spring Boot

Microservices

API-first design

Cloud Platforms (AWS/EKS)

Technical Leadership

Delivery & Mentoring

Tools

Oracle DB

NetCracker RBM

Job description

Job DescriptionJob Title: Software Engineering SpecialistReq ID: 61974Job Function: Software EngineeringPosting Start Date: 03/09/2026Posting End Date: 11/09/2026Division: DigitalJob Location: GBR Belfast - Riverside TowerAdvertised Salary: CompetitiveJob Req ID:Posting Date:Function:Location:Salary:## **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 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.