Senior Product Designer
- City of London, London
- Negotiable
Join a forward-thinking UK energy provider focused on sustainable solutions. We're looking for a Senior Product Designer to shape and enhance key customer experiences across digital journeys, designing clear, intuitive, high-quality interactions across web and mobile that help customers complete important tasks with ease and confidence.
This is a senior, hands-on role for someone with strong end-to-end product design expertise who thrives in complex environments and can move quickly from defining problems to delivering polished solutions. The role is an initial six-month contract (with potential extension), full-time (37 hours/week), with a hybrid model (one day every two weeks in the London office).
Key Responsibilities
Own the design of customer-facing journeys from discovery through to final UI
Translate complex service challenges into intuitive, accessible experiences
Collaborate cross-functionally with product, research, content, engineering, and business teams
Deliver interaction design, user flows, wireframes, and high-fidelity UI
Influence product direction through problem framing, ideation, and prioritization
Balance customer needs with business and operational feasibility
Use data, insights, and testing to continuously improve usability
Ensure consistency across end-to-end journeys
Contribute to and evolve design systems and patterns
Champion accessible, inclusive, and consistent design standards
Enable rapid iteration while maintaining high-quality design craft
Skills & Experience
Extensive senior-level product design experience across complex digital products
Strong portfolio covering both mobile apps and responsive web
Proven ability to simplify complex or regulated journeys
Expertise in UX, interaction design, and visual execution
Skilled in journey mapping, flows, and information architecture
Comfortable working in ambiguity and shaping solutions with cross-functional teams
Data-informed approach using user research and usability testing
Strong balance of pace, quality, and commercial priorities
Excellent communication skills with the ability to explain design decisions clearly
Self-starter who delivers impact quickly
Utilities, energy, or similarly complex service-led industries
Experience across account management, service tools, billing, payments, onboarding, loyalty, and self-service journeys
Working within regulated environments with accessibility standards
Experience contributing to or working within established design systems
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.
