About the role

The role focuses on architecting, developing, and maintaining robust .NET-based software solutions. The developer will work on building scalable microservices, APIs, and proof-of-concepts while collaborating with internal stakeholders and external partners to deliver high-quality features in an Agile environment.

What you’ll be doing

• Architect and implement robust, scalable, and maintainable software solutions.
• Develop working Proof-of-Concepts (PoCs) to validate ideas and approaches.
• Write clean, efficient, and low-defect code that adheres to organizational standards.
• Diagnose and resolve bugs and production issues with speed and precision.
• Collaborate with internal stakeholders and external partners on system architecture and design.
• Ensure timely delivery of features with a strong emphasis on performance and quality.
• Manage change control processes throughout the development lifecycle.
• Conduct regular project reviews and implement corrective actions as needed.
• Stay ahead of emerging technologies and assess their relevance to business needs.
• Build tools and frameworks to improve development, testing, and release efficiency.
• Actively engage in Agile ceremonies and contribute to continuous improvement.
• Design, deploy, and manage applications on AWS cloud infrastructure.
• Orchestrate containerized workloads using Kubernetes for scalable deployments.

Essential Skills / Experience

Proficient in object-oriented programming with strong skills in C#, .NET Core 3.1, and Angular.
Solid experience in building microservices and RESTful APIs.
Strong command of MSSQL or PostgreSQL databases.
Deep understanding of algorithms, data structures, design patterns, and SOLID principles.
Ability to gather requirements, evaluate multiple solutions, and recommend the most effective approach.
Proven analytical and problem-solving skills.
Hands-on experience with CI/CD pipelines and tools like XUnit and SonarQube.
Familiarity with GitLab or similar version control systems.
Excellent communication and collaboration skills.
Passion for mentoring and supporting junior developers.

Desirable Skills / Experience

Experience with TMF Open APIs, OpenAPI specifications, or API-based integrations.
Knowledge of Java programming.
Knowledge of caching technologies such as Redis.
Exposure to Kafka, Kubernetes, and Docker.
Hands-on experience with AWS services (e.g., EC2, S3, Lambda, ECS, RDS, CloudFormation).
Strong expertise in Kubernetes for container orchestration, including deployment, scaling, and management of containerized applications.
Experience with Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation.

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.