Senior Software Engineer & Tech Lead - Public Services

Salary £61,000 – £70,000 (FTE), dependent upon experience, 37.5 hour week. Contract Permanent, full-time or part-time. Flexible working arrangements are available. Location Anywhere in the UK, with some national travel required to meet teams and clients. Office locations are London and Leeds.

Application deadline 21/09/2026.

Benefits include:

• Interest-free season ticket loans, electric vehicle and cycle to work schemes
• Up to 18 weeks of paid parental leave depending on your situation
• Pension with up to 6% matching contribution from dxw
• Flexible working to support your wellbeing and personal commitments
• Macbook and home office setup budget

About the role:

As a Senior Developer at dxw, you’ll design, build and improve digital services for the public good. You’ll work in multidisciplinary teams with clients at different stages of digital transformation, creating secure, reliable and accessible software that meets user needs.

This is a hands-on software development role. You’ll take a leading technical role on smaller projects, helping shape technical decisions and supporting other developers to deliver high-quality work. You’ll collaborate closely with designers, user researchers and delivery colleagues to understand problems and implement effective solutions.

Alongside client work, you’ll contribute to improving our internal tools, engineering practices and use of emerging technologies, including AI, where they can help us work more effectively and deliver better outcomes.

Key responsibilities:

• Ensure software is secure, reliable and performance.
• Design, build and maintain production software for digital services.
• Write clear, well-tested and maintainable code.
• Contribute to technical decisions about architecture, tooling and implementation.
• Diagnose and resolve technical issues.
• Technical leadership within teams.
• Act as the technical lead on smaller projects.
• Support other developers through code review, pairing and knowledge sharing.
• Help teams make sound technical decisions and manage trade-offs.
• Maintain high engineering standards and sustainable ways of working.

Working in multidisciplinary teams:

• Collaborate with designers, user researchers, product managers and delivery leads.
• Participate in user research sessions, workshops and other collaborative activities.
• Ensure technical decisions are informed by user needs and service goals.
• Explain technical concepts clearly to technical and non-technical colleagues.

Contributing to practice:

• Help improve internal tools, development practices and team ways of working.
• Participate in incident reviews, team forums and company-wide activities.
• Share learning and contribute to the wider development community.
• Support the responsible use of emerging technologies, including AI.

About you:

You’re an experienced software developer who enjoys solving complex problems and building services that improve people’s lives.

You:

• Enjoy variety and are comfortable working through ambiguity.
• Write clean, well-tested and maintainable code.
• Have a strong understanding of version control tools such as Git.
• Are comfortable working with unfamiliar technologies and learning quickly.
• Understand secure software development practices.
• Have experience supporting and guiding other developers.
• Work effectively in agile, multidisciplinary teams.
• Communicate technical concepts clearly to a range of audiences.

We work with organisations in the public, non-profit and private sectors that provide digital public services across the UK. Something we call the digital public realm. We take ideas and problems and turn them into live services that work. With a track record of designing, building and supporting vital services that fit seamlessly into users’ lives.

What we offer:

We want our team to feel supported both inside and outside of work. Alongside a competitive salary, we offer a range of benefits designed to promote flexibility, wellbeing, and long-term security:

• A generous 28 days of annual leave per year, plus all England bank holidays. We also offer a holiday buy and sell scheme, giving you the flexibility to customise your time off to suit you.
• Up to 18 weeks of paid parental leave to support your family, depending on your situation.
• A healthcare cash plan providing financial support to help cover everyday medical, dental, and optical costs, plus 24/7 confidential support and counselling whenever you need it.
• Flexible hours to support your work-life balance, top-tier tech, and a home office budget to build a comfortable setup.
• Full access to our London and Leeds offices, alongside a network of co-working spaces across the UK.
• We’ll match your pension contributions up to 6%, provide comprehensive life cover, and offer interest-free season ticket loans alongside the Cycle to Work scheme.

How to apply:

We use Applied for hiring to make our process as fair as possible. As part of our process, we’ll ask you to provide written answers to a few short questions related to the work you’d do on the job. Our hiring panel will review these anonymously. If you score well, we’ll then review your CV and invite you to an initial chat to get the ball rolling. From there, our hiring process typically involves two stages, at least one of which is a formal interview.

Applications close at 20:00 on 14th September 2026.