Software Developer

Ofgem; Cardiff, Glasgow, Greater London; Hybrid; GBP 52,000 - 70,000; Full time

Job summary

Ofgem is hiring a Software Developer to build and support digital services that power the UK's green energy initiatives. The role is permanent and involves working on high-impact applications with modern Microsoft tech, including C#, .NET Core, EF Core, SQL Server, and Azure.

The job offers hybrid working across Cardiff, Glasgow, or London with opportunities to mentor juniors and lead project activities. You'll contribute to scalable, secure, user-focused systems and collaborate with developers,

Qualifications

• Proficient in Microsoft .NET stack (C#, .NET Core, ASP.NET MVC) and API development.
• Experience with Entity Framework, SQL Server, stored procedures, and testing (unit/integration; NUnit, Moq).
• Familiar with Git, Azure DevOps CI/CD, Azure cloud, and microservices architectures.
• Strong collaboration with Analysts, Delivery Managers, Product Managers, and senior stakeholders.

Responsibilities

• Development, maintenance, and support of key Ofgem scheme applications.
• Technical documentation of key Ofgem business applications.
• Technical ownership of application requirements.

Skills

Microsoft .NET

C#

NET Core

ASP.NET MVC

API development

OO design

SOLID

Design patterns

Entity Framework

SQL Server

SQL stored procedures

Unit testing

Integration testing

NUnit

Moq

Git

Azure DevOps

Azure

Microservices

Communication

Tools

Docker

Kubernetes

Job description

Location - Successful candidates may be based in any of our office locations - Cardiff, Glasgow, or London. We especially welcome applicants from Cardiff and Glasgow. Job summary Help shape the future of energy through impactful digital solutions. Ofgem is looking for a Software Developer to support the delivery of green energy and social schemes, using modern technologies to build services that make a real difference to people's lives. We're offering a permanent role where you'll contribute to the development of applications that support some of the UK's most vital public services. This is a high-impact opportunity to influence how digital tools are built and delivered, ensuring the systems behind our schemes are efficient, secure and user-focused. You'll develop and support innovative applications that contribute to green initiatives, as well as taking part in the technical development of projects and implementing new technologies. There's plenty of scope for application development, process improvement and shaping the way we work within an agile delivery environment. This development role will also give you the chance to support junior colleagues, using your expertise to guide and mentor them, and step up and take on management activities for various projects. Collaboration will be at the heart of your approach as you work with other developers, stakeholders and digital experts to create scalable, sustainable solutions that meet Government Digital Service standards. We're looking for someone with strong experience in Microsoft-based development, including C#, Entity Framework Core and SQL Server, along with a solid understanding of Azure. You'll be familiar with applying design patterns, writing and executing unit tests, and working within microservices architectures. Experience with containerisation tools such as Docker and Kubernetes, and the ability to communicate effectively across technical and non-technical audiences, will be key to success in this role. At Ofgem, you'll be part of a collaborative, inclusive environment where your ideas are valued and your expertise can flourish. We support hybrid working, offer an exceptional benefits package and provide the flexibility and development opportunities that will see you advance your career. We have a critical purpose to deliver smart, efficient digital services that power the UK's clean energy future. You will help ensure that essential schemes are built on strong technical foundations, enabling fairer, greener outcomes for consumers and communities across the country. SC is required for this role. Information and eligibility guidance can be found here: SC - Guidance Pack for Applicants

Responsibilities

• Development, maintenance, and support of key Ofgem scheme applications.
• Technical documentation of key Ofgem business applications.
• Technical ownership of application requirements.

Deliverables & Key Outputs

• Ensuring that business applications developed internally and externally are technically and functionally suitable.
• Working as part of a team with Developers, Business Analysts, Project Managers, QA Testers, and the IT Infrastructure team to develop and deliver key Ofgem business applications.
• Working with the IT Infrastructure team to resolve issues with Ofgem business applications.
• Working with the IT Service Desk to resolve internal and external customer issues with Ofgem business applications.
• Working with outsourced development partners to transfer technical knowledge of externally developed applications.

Person Specification

• Essential skills and proven expertise in the following technologies: Microsoft .NET (C#), .NET Core, ASP.NET MVC, API development, Object-Oriented Design, SOLID development techniques and design patterns.
• Knowledge and experience of: Entity Framework, relational database design, SQL Server Development, SQL stored procedures, writing unit and integration tests, unit test frameworks and tools (NUnit, Moq, etc).
• A good working knowledge of some of the following technologies: version control tools and workflows (GIT), CI/CD pipelines within Azure DevOps, build and deployment automation, cloud technologies (Azure), microservices.
• Demonstrable expertise of collaborative working with: Business Analysts, Automation Engineers, Delivery Managers, Product Managers, Senior Managers, and Business.
• Strong work planning, time management, and change management skills across multiple functional groups and departments, and strong skills involving prioritising and reprioritising development.
  We're looking for someone with strong experience in Microsoft-based development, including C#, Entity Framework Core and SQL Server, along with a solid understanding of Azure. You'll be familiar with applying design patterns, writing and executing unit tests, and working within microservices architectures. Experience with containerisation tools such as Docker and Kubernetes, and the ability to communicate effectively across technical and non-technical audiences, will be key to success in this role., Essential skills and proven expertise in the following technologies: Microsoft .NET (C#), .NET Core, ASP.NET MVC, API development, Object-Oriented Design, SOLID development techniques and design patterns.
• Knowledge and experience of: Entity Framework, relational database design, SQL Server Development, SQL stored procedures, writing unit and integration tests, unit test frameworks and tools (NUnit, Moq, etc).
• A good working knowledge of some of the following technologies: version control tools and workflows (GIT), CI/CD pipelines within Azure DevOps, build and deployment automation, cloud technologies (Azure), microservices.
• Demonstrable expertise of collaborative working with: Business Analysts, Automation Engineers, Delivery Managers, Product Managers, Senior Managers, and Business.
• Strong work planning, time management, and change management skills across multiple functional groups and departments, and strong skills involving prioritising and reprioritising development.
  At Ofgem, you'll be part of a collaborative, inclusive environment where your ideas are valued and your expertise can flourish. We support hybrid working, offer an exceptional benefits package and provide the flexibility and development opportunities that will see you advance your career.