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Senior Product Designer
Senior Product Designer – Core B2B Platform
About ENSEK
ENSEK builds the cloud-native SaaS software transforming how energy retailers operate, innovate and manage at scale. We help retailers lower operating costs, improve billing accuracy, and enhance customer experience through automation and AI-driven insights, all underpinned by modern, cloud-native architecture.
ENSEK is at an exciting growth phase as we scale towards new international markets. If you're driven by solving complex, real-world problems and enjoy building modern technology that accelerates the global energy transition, you’ll thrive at ENSEK.
About the Role
As a Senior Product Designer at ENSEK, you’ll lead end-to-end design across our core B2B platform, shaping user journeys, workflows, and experiences from discovery to delivery. Collaborating with Product, Engineering, and Data teams, you’ll align design decisions with strategic objectives, customer needs, and business outcomes, while contributing to the growth of our design system and elevating team design standards. You’ll also play a key role in mentoring colleagues and leveraging AI tools to streamline insight generation, discovery, and solution development.
Key Responsibilities
- Own UX delivery across a defined product area, including journey mapping, flow structuring, and end-to-end experience design.
- Ensure design decisions align with product strategy, customer outcomes, and measurable success metrics.
- Partner with Product Managers, Engineers, and Data specialists to define, validate, and deliver effective solutions.
- Contribute to the evolution of our design system, influencing component architecture, consistency, and scalability across the platform.
- Work with the Lead Designer to translate experience strategy into high-quality, implementation-ready designs.
- Use AI tools to:
- Model solution scenarios
- Synthesise customer feedback
- Accelerate design discovery and iteration
- Date across existing platform initiatives and new product development as ENSEK scales.
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Key Outcomes
- Improved usability, efficiency, and adoption in critical product areas.
- Deliver high-quality, scalable user experiences that align with ENSEK’s product vision and customer-centric goals.
- Strengthen design system foundations to boost consistency and delivery speed for all teams.
- Ensure measurable user and business outcomes through evidence-based design decisions.
- Drive design maturity via mentorship, collaboration, and evolutionary team standards.
- Foster strong cross-functional partnerships to facilitate efficient, high-quality product execution.
Experience Required
Must-Have:
- Proven track record in owning end-to-end product design across complete product areas (not isolated features).
- Skilled in connecting design decisions to product goals, with clear communication of trade-offs to Product and Engineering stakeholders.
- Deep expertise in design systems, component architecture, design tokens, and scalable platform design.
- Exceptional UI craftsmanship, demonstrating a portfolio of polished, consistent, implementation-ready work.
- Experience using AI tools to enhance design workflows, conceptualise ideas, and synthesise insights.
- Ability to influence discussions, mentor designers, and contribute to design system evolution.
- Background in B2B SaaS or enterprise software environments.
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Advantageous:
- Experience within regulated, complex, or data-intensive domains, aligning design with process efficiency.
Competencies:
- Comfortable thriving in a fast-paced, product-led environment, with a strong focus on execution and delivery.
Company Benefits
- 25 days’ paid annual leave + bank holidays.
- Option to buy or sell 5 additional annual leave days annually.
- Vitality Health Insurance, including:
- Private GP access
- Mental-wellbeing support
- Wider health and wellbeing perks
- Defined-contribution pension with employer-matched 5% contribution.
- Regular company-wide and team events.
- 2 paid volunteering days per year to give back to the community.
- Remote-first culture with office locations in London & Nottingham.
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