Software Engineering Specialist

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About the role

• Operates within BT Networks Cloud Services – supporting and enabling integrated tooling across BT Networks to underpin the business-critical products BT offers its customers.
• Works within a platform engineering and automation team, building and maintaining internal tooling, services, and integrations that support collaboration and operational workflows across BT.
• Focuses on full-stack development, spanning backend services, APIs, frontend interfaces, and integrations with enterprise systems (identity, data, and third-party platforms).
• Contributes to cloud-based platforms and internal developer tooling, with a strong focus on scalability, reliability, and maintainability.
  Designs and delivers high-quality, production-grade software used by thousands of internal users, improving efficiency and reducing manual processes.
• Builds robust APIs, services, and user-facing applications that enable self-service and streamline complex workflows.
  Drives improvements in performance, reliability, and security across critical internal systems.

What you’ll be doing

• Build and maintain backend services, APIs, and user interfaces
• Write clean, well-tested code for production systems
• Design and develop scalable, reliable applications
• Work with other engineers to deliver features end to end
• Collaborate with platform, security, and business teams to solve problems
• Review code and support others to improve quality
• Debug issues and fix defects in live systems
• Improve performance, reliability, and system design
• Automate repetitive tasks and manual processes
• Contribute to technical design discussions and decisions

Essential Skills / Experience

• Strong experience in full-stack development (frontend and backend)
• Good knowledge of at least one backend language (e.g., Python, Java, or Node.js)
• Experience building and using APIs
• Experience with modern frontend frameworks (e.g., React or similar)
• Ability to write clean, well-structured, and well-tested code
• Strong problem-solving skills and attention to detail
• Experience working with cloud-based systems and services
• Understanding of version control (e.g., Git) and team-based development
• Ability to work with others and communicate clearly
• Willingness to learn and adapt to new tools and technologies

Desirable Skills / Experience

• Experience designing scalable and reliable systems
• Experience with CI/CD pipelines and automated deployment
• Knowledge of databases (SQL or NoSQL) and data modelling
• Experience improving performance and fixing complex issues
• Understanding of security best practices in software development
• Experience working on internal platforms or developer tooling
• Familiarity Atlassian Cloud suite and Forge platform for plugin development
• Experience contributing to technical design decisions

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.