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Product · United Kingdom · Hybrid

Senior Product Designer

About ENSEK

ENSEK builds the cloud-native SaaS software that's transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture. ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If you're driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, you'll feel right at home with us.

About the role

As a Senior Product Designer at ENSEK, you will own end-to-end design across defined product areas within our core B2B platform, shaping user journeys, workflows and experiences from discovery through delivery. Working closely with Product, Engineering and Data teams, you'll connect design decisions to product strategy, customer needs and business outcomes while helping to evolve our design system and maintain a high bar for design quality. You'll also support the growth of our design practice by mentoring others, contributing to team standards and leveraging AI tools to accelerate discovery, insight generation and solution development.

Key responsibilities

  • Own UX delivery across a defined product area, mapping journeys, structuring flows and designing cohesive end-to-end experiences.

  • Connect design decisions to product strategy, customer outcomes and measurable success metrics.

  • Collaborate with Product Managers, Engineers and Data specialists to define, validate and deliver effective solutions.

  • Contribute to the evolution of the design system, influencing component architecture, consistency and scalability across the platform.

  • Partner with the Lead Designer to translate experience strategy into high-quality, implementation-ready designs.

  • Use AI tools to model solution scenarios, synthesise customer feedback and accelerate design discovery and iteration.

  • Contribute to both existing platform initiatives and new product development as ENSEK continues to scale.

Key outcomes

  • Improved usability, efficiency and adoption across key product areas.

  • High-quality, scalable user experiences aligned with ENSEK's product vision and customer needs.

  • Strong design system foundations that improve consistency and speed of delivery across teams.

  • Measurable user and business outcomes supported by clear success metrics and evidence-based design decisions.

  • Increased design maturity through mentoring, collaboration and the development of team standards.

  • Strong cross-functional partnerships that enable efficient and high-quality product delivery.

Experience required

  • Proven experience owning end-to-end product design across a complete product area, rather than individual features alone.

  • Strong ability to connect design decisions to product goals and clearly communicate trade-offs with Product and Engineering stakeholders.

  • Deep understanding of design systems, component architecture, design tokens and scalable platform design.

  • Excellent UI craft with a track record of producing polished, consistent and implementation-ready work.

  • Experience using AI tools to accelerate design workflows, explore concepts and synthesise insights.

  • Demonstrated ability to influence others, mentor designers and contribute to evolving design standards.

  • Experience working within B2B SaaS or enterprise software environments.

  • Experience within regulated, complex or data-intensive product domains is advantageous.

  • Comfortable working in fast-paced, product-led environments with a strong focus on execution and delivery.

Company Benefits

  • 25 days' holiday + bank holidays

  • Option to buy or sell 5 extra annual leave days per year

  • Vitality Health Insurance, including private healthcare, virtual GP access, mental-health support and wellbeing perks

  • Pension with 5% matched contribution

  • Regular team-wide and company-wide events

  • 2 volunteering days per year to give back

  • Remote-first working environment with offices in London and Nottingham

Department
Product
Locations
United Kingdom
Remote status
Hybrid
Product · United Kingdom · Hybrid

Senior Product Designer

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