Job summary

At the Crown Prosecution Service (CPS), we design user-centred services that make the criminal justice system easier to use, quicker to deliver, and fairer for all.

As the Lead Interaction Designer, you’ll be at the heart of this mission. You’ll help to shape the design vision for user-centred, inclusive, and accessible services, working closely with senior leaders and agile teams. Your decisions will be guided by user needs, data, and evidence, ensuring our services are not only effective but sustainable and scalable.

You’ll lead the design of complex services, making sure they meet government standards and design principles. You’ll mentor and inspire other designers, champion collaboration across teams, and grow our interaction design capability within CPS. Beyond CPS, you’ll work with designers across the Criminal Justice System to create joined-up, end-to-end services that deliver real impact for users.

This is a leadership role where you’ll report to the Head of User-Centred Design and Analysis and help shape the future of our profession.

The Crown Prosecution Service is based in England and Wales. If you’re applying for this role and live in Scotland or Northern Ireland, you must let us know when accepting this offer as you need permission to work from your home address if hybrid working is part of your role. There’s no guarantee that we will grant this approval.

You must be aged 16 or over at the point of starting in this role. The expected start date is approximately 8–12 weeks after the application closing date. Candidates are expected to commence employment as soon as possible following the expiry of their notice period. Requests for significantly later start dates may not be accommodated.

As part of this role, you are expected to undertake direct line management responsibilities.

Job description

As a lead interaction designer, you will:

embed a practice of hypothesis-driven, iterative, evidence-based design and agile ways of working in a team
lead on prototyping complex ideas at any fidelity
gain support for design decisions and design strategy from senior leaders
measurably improve the practice of inclusive, accessible and environmentally sustainable design across the organisation
help teams understand how user-centred design helps them meet their goals, and align their work to the goals and vision of the organisation
use risks, opportunities and constraints in technology, systems and policy to shape design
identify, create and iterate new design patterns and components
create an inclusive, productive environment for designers to work in
Help to build the interaction design capability within CPS, by growing and mentoring our interaction design profession, and developing the skillset within our user centred design community

A copy of the full job description is attached.

Person specification

To be eligible to apply, you need:

Significant hands-on experience leading design in complex organisations, ensuring effective and user-centred service delivery
An understanding of the Government Design Principles, Service Standard and agile ways of working
Experience of embedding hypothesis-driven, iterative, evidence-based design

Behaviours

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

Changing and Improving
Making Effective Decisions
Communicating and Influencing

UI / UX jobs

Lead Interaction Designer

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