UX Designer

Job title: UX Designer

Location: London or Bristol - Hybrid

Salary: £49,000 - £60,250

Team: User Experience

Reporting To: Lead Designer

Closing date for applications: 13th October 2025

This role is based in London/Bristol and requires existing right to work in the UK.

At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.

Overview

Kaluza reimagines energy to bring net-zero within everyone’s reach. The Kaluza Platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all. 

From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system. 

Outside of these collaborative opportunities, we aim to be as flexible as possible to balance work with life. As a company we come together annually for our conference and end of year celebrations! 

Some travel will be expected to work with both our UK teams in London and Bristol, as well as our client offices in France and Belgium.

Where in the world of Kaluza will I be working?

You'll join Kaluza's growing Global team, working alongside a talented mix of Product Managers, Engineers, and Delivery experts. You'll also be a vital member of our global User Experience Design team, with colleagues based across the globe.

You'll be working on Kaluza’s Energy Retail platform, a SaaS solution that empowers energy retailers globally to revolutionise their core operations and accelerate their decarbonization efforts.

What will I be doing?

You can perform a wide range of UX tasks, ranging across product design, user research and service design. Applying these to solve applying a broad knowledge of UX principles and methods to different contexts and challenges.

• Understanding and designing end-to-end user experiences tailored to the needs of our European clients and their customers, with a focus on the Payments area of our platform.
• Producing multiple proof-of-concepts and co-creating  engaging, effective experiences for our retailer client users. You also elevate our Design System by actively using existing components and contributing new ones to increase consistency and efficiency.
• Applying a variety of UX design methods including journey maps, design sprints, and co-creation workshops to tackle complex organisational challenges.
• Proactively conduct and act on user research to improve our products by producing actionable and highly visible insights to improve our products and services. You will also be expected to frequently present your findings to the wider UX team, the business and clients.
• Using Information Architecture (IA) principles to organise and structure complex content.
• Advocating for accessibility and inclusive in all design and product decisions you are part of.

Is this the job for me?

Ideally you'll have/be:

• A hands-on designer with a track record of solving problems and delivering impactful design solutions.
• Strong Product Design skills, producing high quality prototypes. As well as the ability to use and expand our design system. Regularly contributing to our content standards, ensuring alignment with the brand voice, terms, and style guide.
• Highly collaborative, able to structure workshops and design sprints to drive alignment and innovation across your immediate teams.
• Adaptable to the evolving needs of a fast-moving global business.
• Experience with using both qualitative and quantitative data to inform and defend your design decisions.
• Proactive in improving design processes and standards. Continually looking for ways to increase efficiency and consistency, including using AI powered tools.
• A champion of user-centered design and Kaluza’s UX vision.
• Able to proactively identify design opportunities and research needs within a product area and prioritize work for maximum impact.
• Interest in the energy sector, with a strong desire to learn.

Nice to Have:

• Strong French language skills.
• Knowledge of the nuances of the European energy market.
• Experience of contributing and working with an established design system
• Previous experience of working in a SaaS environment.

Kaluza wants to power a world where net-zero is within everyone’s reach, by building the platform that will accelerate a sustainable, affordable and resilient energy transition. It’s a huge challenge, but often the toughest problems are the most rewarding to solve.

Since launching in 2019, Kaluza’s technology has been empowering some of the biggest energy suppliers to better serve millions of customers.

From revolutionising billing to smart electric vehicle charging, our real-time cloud platforms transform supplier operations, reducing cost to serve and boosting engagement. And most importantly, they enable suppliers' customers to drive decarbonisation with smart, low carbon technologies.

We have a strong flexible, hybrid working ethos, we aim to be as flexible as possible to balance work with life. Teams can choose how and where to work, whether it’s from one of our lovely offices or from home or a mixture of both. Each team is different but we do like to get together monthly/quarterly as teams - if they are not at your local office we will cover the costs of travel and accommodation if necessary. As a company we come together annually for our conference and Christmas parties!

From us you’ll get

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday
• Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like
• Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
• Dedicated personal learning and home office budgets
• And more…

We want the best people

We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.

We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.

Find out more about working in Kaluza on our careers page and LinkedIn.