Software Engineer

About the Company

BT Group was the world’s first telco and our heritage in the sector is unrivalled. As home to several of the UK’s most recognised and cherished brands – BT, EE, Openreach and Plusnet, we have always played a critical role in creating the future, and we have reached an inflection point in the transformation of our business.

Over the next two years, we will complete the UK’s largest and most successful digital infrastructure project – connecting more than 25 million premises to full fibre broadband. Together with our heavy investment in 5G, we play a central role in revolutionising how people connect with each other.

While we are through the most capital-intensive phase of our fibre investment, meaning we can reward our shareholders for their commitment and patience, we are absolutely focused on how we organise ourselves in the best way to serve our customers in the years to come. This includes radical simplification of systems, structures, and processes on a huge scale. Together with our application of AI and technology, we are on a path to creating the UK’s best telco, reimagining the customer experience and relationship with one of this country’s biggest infrastructure companies.

Change on the scale we will all experience in the coming years is unprecedented. BT Group is committed to being the driving force behind improving connectivity for millions and there has never been a more exciting time to join a company and leadership team with the skills, experience, creativity, and passion to take this company into a new era.

About the Role

As a Software Engineer on the Billing & Collections platforms, you contribute directly to the systems that keep the company financially healthy. Your work helps ensure customers receive accurate bills, can make seamless payments, and experience smooth interactions throughout their billing journey. By building reliable, scalable, and high‑quality software, you help maintain consistent cashflow, reduce revenue leakage, and support strong customer trust. This role gives you the opportunity to make a measurable impact on mission‑critical business operations while growing your engineering skills in a complex, high‑visibility domain.

Responsibilities

• Technical Solution Delivery: Supports the implementation of technical solutions for internal and external customers across telecom billing and collections flows, resolving inter system issues and contributing within cross functional squads.
• Architecture & Technology Choices: Contributes to technical decisions, technology selection, and architecture direction for high performance billing and collections platforms, balancing immediate product needs with long term transformation.
• Software Design & Development: Supports the design and development of software components aligned with enterprise architecture and BT’s security standards.
• Continuous Learning & Technical Reviews: Undertakes code and design reviews to enhance proficiency and ensure alignment with software engineering principles and industry standards.
• Technical Specifications & Low Complexity Builds: Helps design technical specifications and develops software solutions for smaller or less complex initiatives, ensuring high quality delivery.
• Coding & Testing: Writes, tests, debugs, and reviews code under supervision, ensuring clarity and quality across engineering teams.
• Systems Integration: Integrates existing software products and resolves routine issues to ensure interoperability across diverse platforms.
• Defect Management: Monitors, troubleshoots, and corrects software defects to ensure platform reliability and service stability.
• Tooling & Automation: Supports the implementation, optimization, and maintenance of CI/CD pipelines and automation tooling that improve developer efficiency and accelerate delivery.
• Technical Roadmap Contribution: Supports delivery of a forward-looking technical roadmap that meets needs of engineering teams, operations, and business stakeholders.
• Engineering & Operational Excellence: Assists in defining and implementing metrics, processes, and continuous improvement initiatives to drive engineering maturity.
• Process Improvement: Contributes to refining and optimizing engineering ways of working within the software engineering domain.

Qualifications

• PLSQL, Java & Related Technologies
• Strong PL SQL development background
• Strong Java/J2EE, Spring MVC development background
• Experience with REST APIs, multi-threaded processing, concurrency
• Scripting (Shell/Python/Perl) for automation, tooling, and monitoring
• WebLogic Application Server
• Deployment and tuning of Java applications
• JVM performance optimization
• Cluster management, JDBC tuning, thread pool configuration
• Troubleshooting memory leaks, stuck threads, connection issues
• Netcracker Revenue Manager (NCRM / NC-RM) – Rating & Charging or Equivalent
• Hands-on experience with the Netcracker Revenue Manager or equivalent rating ecosystem, including:
• Understanding of Netcracker Rating Engine or equivalent, billing, rating, charging calculation flows
• Configuration of price plans, rating rules, usage types, event models
• Working with product catalog, tariff models, charging rules, and discounts
• CI/CD, Automation & Observability
• Building CI/CD pipelines (Jenkins, Git, Maven, Nexus etc.)
• Automated deployment of webapps and Java services
• Writing monitoring scripts (Shell/Python) for throughput, lag, error rates
• Working with observability platforms (Grafana, Prometheus, ELK, OEM, Dynatrace)

Required Skills

• Demonstrates deep technical expertise in PLSQL, Spring MVC, Java J2EE, Shell scripting acting as authority within the team.
• Influences technical decisions by contributing strong engineering judgement to designs, solution options, and architecture discussions.
• Takes ownership of complex components, ensuring scalable, reliable, and accurate collections and billing flows.
• Leads by technical example, maintaining high standards in coding, testing, documentation, and engineering practices.
• Resolves complex issues and drives RCA, using deep problem solving skills to troubleshoot collections failures, PLSQL / database contentions, and performance bottlenecks.
• Identifies and drives continuous improvement, proposing enhancements in automation, tooling, observability, throughput, and reliability.
• Collaborates effectively across teams, providing clarity and technical insight to architecture, operations, billing, assurance, and fraud teams without formal leadership duties.

Preferred Skills

• 5–8 years of hands on software engineering experience in Billing, Collections, or Revenue Management systems.
• Proven track record of delivering PL/SQL and Spring MVC–based solutions, including design, development, optimization, and production support.
• Strong experience in J2EE backend development, with the ability to build scalable and reliable services.
• Experience working with or integrating NetCracker Revenue Manager (billing, rating, charging); prior delivery experience is a strong advantage.
• Demonstrated ability to write robust unit tests, integration tests, and acceptance tests, ensuring high quality code and predictable delivery.
• Solid understanding and hands on usage of CI/CD pipelines (build, test, deploy automation).
• Comfortable working in Kanban delivery environments with continuous flow and incremental releases.
• Practical experience using Jira workflows for requirement tracking, task management, and sprint/flow-based delivery.
• Strong debugging and analytical skills, with the ability to troubleshoot complex issues across application and database layers.
• Experience collaborating in cross-functional engineering teams and participating in peer reviews, design discussions, and production support rotations.

Pay range and compensation package

Not specified in the provided job description.

Equal Opportunity Statement

Not specified in the provided job description.