×
Register Here to Apply for Jobs or Post Jobs. X

Junior Software Developer

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: Ofgem
Full Time position
Listed on 2026-05-30
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, C# / Unity Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Successful candidates may be based in any of our office locations – Cardiff, Glasgow or London. We especially welcome applicants from Cardiff and Glasgow.

Ofgem is working at the forefront of the fight to modernise and strengthen the UK’s energy systems, driving digital innovation that will help combat climate change and support the transition to Net Zero. We’re looking for a Junior Software Developer to join us and help build, improve and support the digital services that underpin some of our most important environmental and regulatory schemes.

Ofgem is Great Britain’s independent energy regulator. We’re at the forefront of change across the energy sector, driving toward Net Zero whilst protecting energy consumers, especially vulnerable people.

We’re offering a permanent role with the chance to work on exciting digital projects in a fast-paced and collaborative environment. This is a fantastic opportunity to gain exposure to both brand-new technologies and established systems, developing valuable technical experience across a wide range of digital services. You’ll be part of work that directly supports our mission to deliver greener, fairer outcomes for consumers and the environment.

You’ll join a supportive and varied delivery environment where no two days are the same, working across innovative schemes and digital platforms that make a real difference. From greenfield development through to improving and maintaining existing applications, you’ll contribute to work that is both technically engaging and highly impactful.

We’re looking for someone with a strong interest in software development and experience working with core technologies such as C#, ASP.NET and SQL Server, alongside an understanding of debugging and fault diagnosis. You’ll bring an organised and proactive approach, with the ability to manage development tasks and problem resolution effectively, as well as an eagerness to build your knowledge across modern development tools, cloud technologies and Agile delivery environments.

In return, you’ll benefit from flexible working opportunities, on-the-job training, and support to help you grow your technical capability and career ambitions. You’ll join a welcoming and diverse team culture where collaboration, innovation and continuous improvement are encouraged, and where your ideas and contributions will be valued from day one.

We have a critical purpose to develop and support digital solutions that help power the transition to a cleaner, more secure energy future. Join us in driving innovation across the energy sector while supporting the delivery of vital schemes that benefit consumers and communities across the UK.

Read on and find out more.

Key Responsibilities
  • Monitor site uptime and site reliability and take necessary action
  • Stewardship and ownership of work items
  • Work from support tickets to diagnosis of fault and then action or refer to appropriate 3rd line teams
  • Write code according to standards, and security review tools
  • Meet individual and contribute to the Applications Teams SLAs
  • Onboard and mentor new colleagues to the team
  • Working with project managers, technical leads, and subject matter experts to develop, maintain, and support, key Ofgem scheme applications.
  • Complete personal training as per learning objectives relating to technical skills with the objective of becoming a full stack developer and undertake greenfield development of Ofgem schemes.
Key Outputs and Deliverables
  • Triage of service requests and/or Incidents by replication and in turn identifying the appropriate solution
  • Maintain Service Request tickets and items on Azure Dev Ops backlog
  • Maintain documentation relating to the Application Support Team and contribute to the wider Digital Development Teams documentation store in various locations, such as the Azure wiki, Confluence, Share Point
  • Identify improvements in the Applications Support work area
  • Supporting the Development Team within an agile project setting, delivering a varity of work items accordingly and meeting sprint timelines
  • Actively participating & collaborate with colleagues across Ofgem. In particular.
  • Digital Development Team (of which Applications Support is a part)
  • Digital Delivery
  • Delivery & Schemes
  • Digital Data & Delivery Services
Essential Criteria
  • Essential skills and experience in the following technologies (Lead Criteria):

Microsoft .NET (C#)

QL Server

NET

Debugging and fault diagnosis

  • Knowledge or experience in any of the following:

MVC

Microsoft Azure

SOLID Techniques

Entity Framework

  • Able to demonstrate the following skills:

Ability to learn and be trained on the job

Managing of Problems, incidents and development tasks

Strong work planning and time management

Desirable Criteria
  • Some experience of working within a development team using debugging skills and tools.
  • Agile methodologies.
  • Writing unit and integration tests, and/or unit testing frameworks.
#J-18808-Ljbffr
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary