Job Description

Why this job matters
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 assist 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.
What you'll be doing

• 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 plan 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.
Skills required
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)

Experince Required

• 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.

About us
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.
A FEW POINTS TO NOTE:
Although these roles are listed as full-time, if you're a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.
We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.
DON'T MEET EVERY SINGLE REQUIREMENT?
Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the , please apply anyway - you may just be the right candidate for this or other roles in our wider team.

Skills Required