Senior Developer

Allscreens Nationwide Ltd; Swansea; On-site; GBP 44,000 - 59,000; Full time

Benefits offered by this job

Employer pension 28.97% of salary

Flexible working options

25 days annual leave

Job summary

The Department for Transport’s Digital, Information and Security Directorate is seeking a Senior Developer to design, build and improve modern digital services that support critical government operations from Swansea. You will lead development on complex projects, mentor colleagues, and champion best practice in software engineering and agile delivery.

Working within the Create Service Line, you will collaborate with multidisciplinary teams to deliver secure, resilient and scalable services,

Job description

Can you lead the development of modern, user-focused services that make a real difference?

Are you an experienced developer who enjoys solving complex technical challenges?

Do you thrive in agile teams, mentoring others and driving continuous improvement?

If so, we’d love to hear from you!

This is an exciting time to join the Digital, Information and Security Directorate within the Department for Transport as we restructure our directorate to ensure we are ready for future challenges, building a more sustainable,skilledand in-house capability.

Build solutions. Lead development. Deliver impact.

Use your technical expertise to design, build and improve digital services that support critical government operations and make a real difference to users across the Department for Transport

Joining our department comes with many benefits, including:

• Employer pension contribution of 28.97% of your salary. Read more about Civil Service Pensionshere
• 25 days annual leave, increasing by 1 day each year of service (up to a maximum of 30 days annual leave), plus 8 bank holidays aprivilege day for the King’s birthday
• Flexible working options where we encourage a great work-life balance.

Read more in the Benefits section below!

Find out more about whatit'slike working atDepartment for Transport Central - Department for Transport Careersand within the Government Digital and Data Profession.

Join the Department for Transport's Digital, Information and Security Directorate and help shape the digital services that support critical government operations. As a Senior Developer, you'll play a leading role in designing, building and improving modern, user-focused digital solutions that deliver real value across the department.

Working within the Create Service Line, you'll collaborate with multidisciplinary teams to develop secure, resilient and scalable services. You'll lead development across complex projects, helping to translate user and business needs into effective technical solutions while championing best practice in software engineering and agile delivery.

You'll take ownership of the services you build, supporting them throughout their lifecycle and identifying opportunities to improve performance, stability and security. Alongside hands-on development, you'll act as a technical leader, mentoring colleagues, sharing knowledge and helping to build capability across the team.

This is an exciting opportunity to work with modern technologies, contribute to high-profile digital initiatives and influence the future of digital delivery at DfT.

Your responsibilities will include, but aren’t limited to:

• Planning and leading development on sets of related stories.
• Understanding the whole system and take responsibility for teaching this to others.
• Working with other disciplines to understand what needs to be built.
• Coaching and mentoring more junior colleagues.
• Operating the production services you build.
• Finding ways to improve system robustness, resilience, and stability.
• Participating in various technologies communities of practise.

For further information on the role, please read the role profile. Please note that the role profile is for information purposes only - whilst all elements are relevant to the role, they may not all be assessed during the recruitment process. This job advert will detail exactly what will be assessed during the recruitment process.

Proud member of the Disability Confident employer scheme

Senior Developer

Company: Government Recruitment Service

Salary: £44,241 - £58,997

Hours: Full-time

Location: Swansea

Job type: Permanent

Posting date: 24 Aug 2026

Closing date: 7 Sept 2026

About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.