Junior Software Developer

Ofgem; Cardiff; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

An energy regulatory body is seeking a Junior Software Developer to help build innovative solutions and drive the evolution of cloud-based services. This role offers competitive salary and benefits, including a comprehensive pension scheme, hybrid working, and professional development opportunities. Ideal for graduates or career changers with a keen interest in technology.

Benefits

30 days annual leave after 2 years

Civil Service pension

Flexible working hours

Qualifications

• Basic understanding of C#.NET, SQL, or debugging tools.
• Ability to learn and be trained on the job.
• Experience in microservices and API development is a plus.

Responsibilities

• Monitor site uptime and site reliability.
• Write code according to security standards.
• Onboard and mentor new colleagues.

Skills

C#.NET

SQL

Debugging

Tools

ASP.NET

Microsoft Azure

Job description

Job summary

At the forefront of protecting energy consumers, Ofgem is building smarter, greener technology to power a low-carbon future. We’re looking for a Junior Software Developer to join us and help combat the challenges of legacy tech and drive the evolution of our cloud-based digital services.

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 opportunity that’s ideal for someone looking to kick-start or reshape their career in software development. This role offers experience across a wide range of technologies and applications, from working with legacy systems to contributing to modern cloud-based platforms. From day one, you’ll join a collaborative digital team, gaining exposure to real-world projects.

You’ll have the chance to work alongside experienced developers, learning best practices in web development, security, and fault diagnosis. With opportunities to contribute to everything from debugging User issues, to supporting with development of new features, to fixing security issues, this is a role where you’ll make a meaningful impact and gain valuable technical skills along the way.

We’re looking for someone who’s naturally curious and keen to learn. You might be a graduate, a career changer, or someone returning to tech, but what matters is your enthusiasm, your willingness to solve problems, and your ability to work well in a team. If you have a basic understanding of C#.NET, SQL, or debugging tools, we’d love to hear from you.

You’ll be part of a relaxed, welcoming team made up of people from varied backgrounds with different working styles - authenticity and collaboration are at the heart of how we work. Based in Glasgow, London or Cardiff, we offer hybrid working, a supportive environment and opportunities to grow your skills in a way that suits your ambitions.

Our Digital Delivery Team have a critical purpose to build and maintain digital solutions that help us on our vital mission to protect consumers and accelerate Net Zero. In this role, you’ll be part of that mission, contributing to systems that support environmental programmes and energy reform across the UK.

Read on and find out more.

Job description

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 DevOps 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, SharePoint.
• Identify improvements in the Applications Support work area.
• Supporting the Development Team within an agile project setting, delivering work items accordingly and meeting sprint timelines.
• Working from the AzureBacklog to complete task relating to SonorCloud, Technical Debt as well as investigation work as directly by the Technical Lead or Product Manager.
• Actively participating in daily catchups, refinement meetings, sprint planning, retrospectives and show & tells.
• Collaborate with colleagues across Ofgem. In particular:

- Digital Development Team (of which Applications Support is a part)

- Digital Services

- Digital Project Management Office & Delivery teams

- Delivery & Schemes

Person specification

Essential Criteria

• Essential skills and experience in the following technologies: (Lead criteria)

- Microsoft .NET (C#)

- SQL server

- ASP.NET

- Debugging and fault diagnosis

• Knowledge or experience in any of the following:

- Microservices and API development

- MVC

- Microsoft Azure

- SOLID techniques

- Continuous integration

- Version control

- Entity framework

• Able to demonstrate the following skills:

- Ability to learn and be trained on the job

- Strong work planning and time management

- Managing of Problems, incidents and development tasks

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.

Behaviours

We'll assess you against these behaviours during the selection process:

• Changing and Improving
• Delivering at Pace

Benefits

Alongside your salary of £25,854, OFGEM contributes £7,489 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.

Ofgem can offer you a comprehensive and competitive benefits package which includes; 30 days annual leave after 2 years; Excellent training and development opportunities; The opportunity to join the generous Civil Service pension which also includes a valuable range of benefits; hybrid working (currently 1 day a week in the office but this is kept under review), flexible working hours and family friendly policies. Plus lots of other benefits including clean and bright offices based centrally, engaged networks and teams and an opportunity to contribute to our ambitious and important targets of establishing a Net Zero energy system by 2050. This exciting blend of professional challenge and personal reward identifies career opportunities at Ofgem as something to get excited about.

Things you need to know

Selection process details

This vacancy is using Success Profiles (opens in a new window), and will assess your Behaviours, Ability and Experience.

When you press the ‘Apply now’ button, you will be directed to a Civil Service test – guidance for this can be found here Civil Service online tests - GOV.UK (www.gov.uk). Upon passing the test, you will be asked to complete personal details (not seen by the sift panel), your career history and qualifications.

You will then be asked to answer 3 application questions evidencing how you meet the essential and desirable skills listed in the role profile. Please ensure you demonstrate clearly, within these answers, how you meet each of the criteria listed in the role profile.

The Civil Service values honesty and integrity and expects all candidates to abide by these principles. You must ensure that any evidence submitted as part of your application or used during interview, including your CV and any statements or examples, are truthful and factually accurate. Ofgem takes any incidences of cheating very seriously. Please ensure all examples provided are of your own experience. Any instances of plagiarism or other forms of cheating will be investigated and, if proven, the relevant applications will be withdrawn from the process. Please note that plagiarism can include presenting the ideas and experiences of others, or generated by artificial intelligence, as your own.

Please refer to Civil Service candidate advice on the acceptable use of artificial intelligence within the recruitment and selection process - Artificial intelligence and recruitment , Civil Service Careers

The personal information we have collected from you will be shared with Cifas who will use it to prevent fraud, other unlawful or dishonest conduct, malpractice, and other seriously improper conduct. If any of these are detected, you could be refused certain services or employment. Your personal information will also be used to verify your identity. Further details of how your information will be used by us and Cifas, and your data protection rights, can be found by [https://www.cifas.org.uk/fpn].

Click 'apply now' to be redirected to the Civil Service jobs website to apply for this role. The deadline for application submissions is 23:55 on Monday 11th August 2025.

Feedback will only be provided if you attend an interview or assessment.