Designer (UX Generalist)

Kaluza
Full-time£44k-66k/year (GBP)London, United Kingdom

📍 Job Overview

Job Title: Designer (UX Generalist)

Company: Kaluza

Location: Bristol or London, England, United Kingdom

Job Type: Full-time

Category: User Experience (UX) Design / Product Design

Date Posted: March 11, 2026

Experience Level: Mid-Level (2-5 years)

Remote Status: Hybrid (2 days in office)

🚀 Role Summary

  • This role is a mid-level UX Generalist position within Kaluza's global User Experience (UX) Design team, focusing on their Energy Retail Platform.

  • The position requires a blend of Product Design, User Research, and Service Design skills to solve complex challenges for global clients and their customers, particularly within the Billing & Payments product area.

  • The role emphasizes contributing to and leveraging a robust Design System to ensure consistency and efficiency across Kaluza's SaaS solution.

  • A key aspect involves proactively identifying design opportunities, conducting user research, and advocating for accessibility and inclusivity in all design decisions.

📝 Enhancement Note: The job title "Designer (UX Generalist)" implies a broad scope of responsibilities across the UX spectrum, rather than specialization in a single area. The salary range and experience level (2-5 years) align with a mid-level professional who can operate with a degree of autonomy but also benefit from senior guidance. The focus on a "SaaS solution" and "Energy Retail platform" suggests a B2B context with complex operational requirements.

📈 Primary Responsibilities

  • Design end-to-end user experiences for Kaluza's Energy Retail platform, with a specific focus on the Billing & Payments product area, catering to the needs of global clients and their end-users.

  • Develop multiple proof-of-concepts and co-create engaging, effective user interfaces and prototypes using tools like Figma.

  • Actively contribute to and expand Kaluza's Design System, ensuring consistency and efficiency in design outputs and promoting best practices.

  • Apply a diverse range of UX methodologies, including journey mapping, design sprints, and co-creation workshops, to effectively address complex product and business challenges.

  • Proactively conduct user research (qualitative and quantitative) to generate actionable insights that inform product improvements and service enhancements.

  • Present research findings, design concepts, and project outcomes to internal teams (UX, Product, Engineering) and external clients.

  • Utilize Information Architecture (IA) principles to structure and organize complex content within the platform, ensuring intuitive navigation and usability.

  • Champion accessibility and inclusivity standards throughout the design process, ensuring Kaluza's products are usable by a diverse range of users.

  • Continuously identify opportunities to improve design processes and standards, leveraging AI-powered tools to enhance efficiency and consistency.

📝 Enhancement Note: The responsibilities listed indicate a need for a designer who can not only execute design tasks but also drive research initiatives, contribute to strategic design system development, and present complex information effectively. The mention of "client delivery programme" suggests a need to manage design within project timelines and potentially client expectations.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Design, Human-Computer Interaction, Computer Science, or a related field is often preferred for UX roles. Equivalent practical experience will also be considered.

Experience: Minimum of 2-5 years of professional experience in UX Design, Product Design, or a related field, with a demonstrable track record of delivering impactful design solutions.

Required Skills:

  • Strong proficiency in Product Design principles and execution, with a focus on creating high-quality UI and interactive prototypes.

  • Hands-on experience with design tools, particularly Figma, for UI design, prototyping, and collaboration.

  • Proven ability to use and contribute to an established Design System, ensuring design consistency and efficiency.

  • Experience in structuring and facilitating collaborative design activities such as workshops and design sprints.

  • Demonstrated ability to proactively identify design problems, research needs, and prioritize tasks for maximum impact.

  • Proficiency in using both qualitative and quantitative data to inform and validate design decisions.

  • Strong understanding of user-centered design principles and a passion for advocating for the user.

  • Excellent communication and presentation skills, with the ability to articulate design rationale and research findings to diverse audiences.

Preferred Skills:

  • Experience designing for B2B users, particularly within a SaaS or scale-up environment.

  • Familiarity with the nuances of the European energy market.

  • Knowledge of financial services or complex, regulated sectors (e.g., Fintech).

  • Experience working within Agile development methodologies.

  • Familiarity with project tracking and documentation tools like Jira and Confluence.

  • Curiosity and a strong desire to learn about AI-enabled skills and their application in design.

📝 Enhancement Note: The "nice to haves" suggest that candidates with specific industry experience (energy, B2B SaaS, Fintech) will have an advantage. The emphasis on Figma, Design Systems, and collaborative methods like design sprints points to a modern, efficient design workflow. The requirement for both qualitative and quantitative data usage highlights a data-driven approach to design.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • A curated portfolio showcasing a range of UX/Product Design projects, demonstrating end-to-end design thinking from problem identification to solution delivery.

  • Specific case studies that highlight your ability to design for complex systems, particularly B2B or SaaS products, with a focus on user experience improvements.

  • Examples of how you have used or contributed to a Design System, showcasing your understanding of component-based design and its benefits.

  • Evidence of user research initiatives, detailing your process, methodologies used (qualitative/quantitative), and the impact of your findings on the final design.

Process Documentation:

  • Case studies should clearly articulate the design process followed, including problem definition, user research, ideation, prototyping, testing, and iteration.

  • Demonstrate how you have organized and structured complex information or workflows within your designs, showcasing your Information Architecture skills.

  • Provide examples of how you have advocated for and implemented accessibility and inclusivity in your design solutions.

  • Showcase your ability to collaborate effectively, perhaps through examples of workshop outputs or cross-functional team interactions.

📝 Enhancement Note: For a UX Generalist role, the portfolio is crucial. It should not just display final designs but also the thought process, research, and problem-solving involved. Demonstrating experience with design systems, complex data, and collaborative facilitation will be key. The emphasis on "global clients" and "Energy Retail platform" suggests showcasing projects with scalable or adaptable design solutions.

💵 Compensation & Benefits

Salary Range: £44,000 - £66,000 per annum.

Benefits:

  • Pension Scheme

  • Discretionary Bonus Scheme

  • Private Medical Insurance with Virtual GP service

  • Life Assurance

  • Access to Furthr (a Climate Action app)

  • Free Mortgage Advice

  • Free Eye Tests

  • Perks at Work (access to thousands of retail discounts)

  • 5% Flex Fund for personalized benefit choices

  • 26 days of annual holiday

  • Flexible bank holidays (8 additional days)

  • Progressive leave policies, including 26 weeks of full pay for new parents (no qualifying service period)

  • Dedicated personal learning budget

  • Home office budget

Working Hours: Standard full-time working hours are expected, likely around 40 hours per week, with a hybrid arrangement requiring 2 days per week in the Bristol or London office.

📝 Enhancement Note: The salary range is competitive for a mid-level UX Generalist in the UK market, especially considering the benefits package. The hybrid model with specific office days indicates a structured approach to in-office collaboration. The comprehensive benefits, especially progressive leave policies and learning/home office budgets, are attractive incentives.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Energy, Software (SaaS). Kaluza operates within the rapidly evolving energy sector, aiming to facilitate the transition to net-zero by providing a platform for energy utilities. This involves complex data, regulatory considerations, and a strong focus on sustainability.

Company Size: Kaluza is a growing global team, part of the Drax Group, indicating a scale-up environment with the resources of a larger entity but the agility of a tech company. This size offers opportunities for impact and career progression.

Founded: Kaluza was founded to address the challenges of modernizing the energy system. While the exact founding date is not provided, its mission suggests a focus on innovation and forward-thinking solutions within the energy tech space.

Team Structure:

  • You will join Kaluza's global User Experience (UX) Design team, with colleagues located in the UK, Portugal, and Australia.

  • You will also work closely with Product Managers, Engineers, and Delivery Experts within the Energy Retail platform domain.

Methodology:

  • Kaluza emphasizes a user-led approach, utilizing a broad knowledge of user-led principles and methodologies.

  • The team employs various UX design methods, including journey mapping, design sprints, and co-creation workshops, to tackle complex challenges.

  • A strong emphasis is placed on conducting and acting upon user research to drive product improvements.

  • The company is committed to elevating its Design System for consistency and efficiency.

  • There is an openness to exploring and integrating AI-powered tools and skills to enhance design processes.

Company Website: https://www.kaluza.com/

📝 Enhancement Note: Kaluza's mission to reimagine energy for net-zero provides a strong purpose-driven context for the role. The global nature of the UX team and the cross-functional collaboration required mean that strong communication and collaboration skills are paramount. The hybrid work model suggests a balance between in-office collaboration and remote flexibility.

📈 Career & Growth Analysis

Operations Career Level: This position is classified as a mid-level Designer (UX Generalist), typically requiring 2-5 years of experience. It implies a level of autonomy in executing design tasks, conducting research, and contributing to design systems, while still benefiting from senior leadership and mentorship. Successful candidates will be expected to manage their workload effectively and contribute significantly to project outcomes.

Reporting Structure: The role reports directly to the Lead Designer. This indicates a clear line of reporting and opportunities for direct mentorship, feedback, and guidance on design strategy and career development. Collaboration will also occur extensively with Product Managers and Engineers.

Operations Impact: While this is a Design role, its impact is deeply intertwined with operational efficiency and customer experience within Kaluza's SaaS platform. By improving user journeys, simplifying complex processes (like billing), and enhancing the usability of the Energy Retail platform, this role directly contributes to customer adoption, retention, and the overall success of Kaluza's decarbonisation efforts. The design of the platform influences how energy retailers operate and how end-customers interact with energy services, thus impacting the broader energy ecosystem.

Growth Opportunities:

  • Skill Specialization: Opportunity to deepen expertise in specific areas of UX/Product Design, User Research, or Service Design based on project involvement and personal development goals.

  • Design System Contribution: Potential to become a key contributor and potentially a lead for the Design System, influencing its evolution and adoption across Kaluza.

  • Cross-Functional Leadership: As experience grows, opportunities may arise to lead design initiatives, mentor junior designers, and influence product strategy more broadly.

  • Industry Expertise: Developing specialized knowledge in the energy sector and B2B SaaS solutions, which can lead to future senior roles in energy tech.

  • Global Exposure: Working with a globally distributed team offers exposure to diverse perspectives and international market considerations.

📝 Enhancement Note: The growth path for a UX Generalist at Kaluza likely involves moving towards Senior UX Designer, Lead UX Designer, or potentially Product Design Manager roles. The company's mission and the nature of its product also open avenues for specialization in energy tech or complex B2B SaaS product design.

🌐 Work Environment

Office Type: Kaluza operates a hybrid work model, requiring 2 days per week in either their Bristol or London office. This suggests a modern office environment designed for collaboration, meetings, and focused work, balancing in-person interaction with remote flexibility.

Office Location(s): Bristol and London, England, United Kingdom. These are major hubs offering good connectivity and access to talent.

Workspace Context:

  • The office environment is designed to foster collaboration among Product Managers, Engineers, and fellow UX Designers, both locally and globally.

  • Access to design tools, technology, and potentially dedicated spaces for workshops and user research sessions is expected.

  • The hybrid model emphasizes intentional in-office time for team building, brainstorming, and critical discussions, while remote days allow for focused individual work.

Work Schedule: The role is full-time, with an expected 40-hour work week. The hybrid arrangement provides flexibility, allowing for structured in-office collaboration and focused remote work, aligning with the need for deep work in design and research.

📝 Enhancement Note: The hybrid model is a key aspect of the work environment. Candidates should be comfortable with a structured approach to in-office days, likely used for collaborative activities, team meetings, and strategic discussions, while remote days can be dedicated to individual design work and research.

📄 Application & Portfolio Review Process

Interview Process:

  • Recruiter Screen (30 mins): An initial call to assess basic qualifications, cultural fit, and understanding of the role and Kaluza's mission. Be prepared to articulate your career aspirations and why Kaluza interests you.

  • Hiring Manager Interview (45 mins): A deeper dive into your technical skills, design philosophy, and experience. Expect questions about your approach to UX challenges, problem-solving, and how you align with Kaluza's values.

  • Case Study Presentation (60 mins): This is a critical stage where you'll present a selection of your work. Focus on a project that best showcases your UX Generalist capabilities, problem-solving skills, and impact. Be ready to discuss your process, decisions, and outcomes in detail.

  • Stakeholder Panel Interview: A final round with members from the Design and Product teams. This assesses your ability to collaborate across functions, articulate your vision, and fit within the broader team dynamic. Expect questions that probe your strategic thinking and approach to complex problems.

Portfolio Review Tips:

  • Curate Strategically: Select 2-3 projects that best represent your UX Generalist skills, problem-solving ability, and impact. Prioritize projects that align with B2B SaaS, complex systems, or ideally, energy/Fintech domains.

  • Tell a Story: For each case study, clearly outline the problem, your role, the process you followed (research, ideation, design, testing), your specific contributions, the challenges you overcame, and the measurable outcomes. Use visuals effectively.

  • Highlight Design System Experience: Explicitly showcase any work related to contributing to or utilizing a design system. Explain the benefits you observed or facilitated.

  • Demonstrate Research Impact: Clearly articulate how user research informed your design decisions and led to tangible improvements. Quantify outcomes where possible.

  • Prepare for Questions: Anticipate questions about your design process, how you handle feedback, your collaboration style, and how you approach accessibility and inclusivity.

Challenge Preparation:

  • Understand Kaluza's Context: Research Kaluza's mission, products, and the energy sector. Think about the unique challenges and opportunities for UX in this space.

  • Practice Presenting: Rehearse your case study presentation to ensure it flows well, is within the time limit, and addresses key aspects of your work. Practice explaining complex concepts clearly and concisely.

  • Prepare for Behavioral Questions: Think about examples that demonstrate Kaluza's values (Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together) in your past work.

📝 Enhancement Note: The interview process is structured to assess a candidate's end-to-end capabilities, from foundational skills to strategic thinking and collaborative potential. The case study is the cornerstone, requiring a well-prepared and articulate presentation of relevant work.

🛠 Tools & Technology Stack

Primary Tools:

  • Figma: Essential for UI design, prototyping, and collaboration. Proficiency in creating high-fidelity mockups and interactive prototypes is expected.

  • Design System Tools: Experience with tools or methodologies for managing and contributing to design systems (e.g., Storybook, Zeroheight, or Figma libraries).

  • Prototyping Tools: Beyond Figma, familiarity with other prototyping tools might be beneficial for specific use cases.

Analytics & Reporting:

  • User Research Platforms: Tools for conducting user interviews, usability testing, and surveys (e.g., UserTesting.com, Maze, SurveyMonkey).

  • Data Analysis Tools: While not primary UX tools, an understanding of how to interpret qualitative and quantitative data from analytics platforms (e.g., Google Analytics, Amplitude) or research tools is valuable.

CRM & Automation:

  • Jira & Confluence: Preferred for tracking design work, documenting processes, and collaborating within Agile teams. Familiarity with these tools is a plus.

  • AI-Powered Tools: Curiosity and willingness to explore and utilize AI tools for design assistance, research analysis, or content generation.

📝 Enhancement Note: Figma is explicitly mentioned as a primary tool. A strong understanding of design systems is also critical. While advanced analytics or CRM tool proficiency isn't a core requirement for the designer, understanding how design integrates with these systems and how to leverage data from them is important. The mention of AI-powered tools suggests an openness to adopting new technologies.

👥 Team Culture & Values

Operations Values: Kaluza's five core values are central to its culture and should guide candidate behavior and decision-making:

  • Play to win: A proactive, results-oriented mindset, aiming for excellence and success in all endeavors.

  • Solve the real problem: A focus on understanding and addressing the root cause of issues, rather than superficial fixes, ensuring impactful solutions.

  • Build trust every day: Emphasizing transparency, reliability, and integrity in all interactions with colleagues, clients, and stakeholders.

  • Own the outcome: Taking full responsibility for tasks and projects, from initiation to successful completion, demonstrating accountability.

  • Go further together: A collaborative spirit, valuing teamwork, diverse perspectives, and collective achievement to drive progress.

Collaboration Style:

  • Cross-functional Integration: The role requires close collaboration with Product Managers, Engineers, and other stakeholders across global teams. Effective communication and a shared understanding of goals are vital.

  • User-Centricity: A strong advocacy for user needs and perspectives, integrating user feedback into the design and product development lifecycle.

  • Design System Culture: Encouraging consistent application of the Design System and contributing to its ongoing development through shared feedback and new component proposals.

  • Open Communication: A culture that values open dialogue, constructive feedback, and knowledge sharing within the UX team and broader organization.

📝 Enhancement Note: Candidates should align with Kaluza's stated values, demonstrating how they embody these principles in their work and interactions. The emphasis on "Go further together" and cross-functional collaboration is particularly important for a global, hybrid team.

⚡ Challenges & Growth Opportunities

Challenges:

  • Complexity of the Energy Sector: Understanding and designing for the intricate regulatory, technical, and market dynamics of the energy industry presents a significant challenge.

  • Global Client Needs: Designing solutions that cater to the diverse requirements and regional nuances of global clients requires adaptability and a nuanced approach.

  • Balancing Design System with Innovation: Maintaining consistency through a Design System while still allowing for innovative design solutions and addressing unique client needs.

  • Hybrid Work Collaboration: Effectively collaborating and maintaining strong team cohesion in a hybrid work environment, ensuring seamless communication and shared understanding across remote and in-office team members.

  • Rapidly Evolving Technology: Staying abreast of new design tools, methodologies, and emerging technologies like AI, and integrating them effectively into the design process.

Learning & Development Opportunities:

  • Specialized Training: Access to personal learning budgets can be used for courses, workshops, or certifications in advanced UX techniques, specific design tools, or industry-relevant knowledge.

  • Mentorship: Direct reporting to a Lead Designer provides opportunities for structured mentorship and guidance on career progression and skill development.

  • Industry Exposure: Gaining deep expertise in the energy tech sector, a field with significant growth potential and societal impact.

  • Global Team Collaboration: Learning from and working with a diverse, international team, broadening perspectives on design and business challenges.

  • AI Skill Development: The company's interest in AI-powered tools offers a pathway to acquire new, in-demand skills.

📝 Enhancement Note: The challenges in this role are significant but also present excellent opportunities for professional growth. Candidates who are proactive in learning and adaptable to complex environments will thrive.

💡 Interview Preparation

Strategy Questions:

  • "Describe a time you had to design for a complex system with multiple user types and conflicting needs. How did you approach it?" Prepare a case study that highlights your problem-solving, research, and prioritization skills. Focus on how you balanced different user requirements and business goals.

  • "How do you contribute to or leverage a Design System? Give an example of a component you designed or improved and why." Be ready to discuss your understanding of design system principles, consistency, and efficiency. Showcase your Figma skills and your ability to think systematically.

  • "How do you use user research (qualitative and quantitative) to inform your design decisions? Walk us through an example where research significantly changed your design direction." Prepare a detailed example demonstrating your research process, data interpretation, and the impact on your design outcomes.

Company & Culture Questions:

  • "What interests you about Kaluza's mission to reimagine energy for net-zero?" Research Kaluza's mission and the energy sector's role in climate change. Connect your personal values or career interests to this mission.

  • "How do you embody Kaluza's values, such as 'Own the outcome' or 'Go further together'?" Prepare specific examples from your past roles that illustrate how you have demonstrated these values.

Portfolio Presentation Strategy:

  • Structure is Key: For each project, clearly define the problem, your role, the process, your specific contributions, the solutions, and the outcomes (quantified if possible).

  • Visual Storytelling: Use high-quality visuals, mockups, prototypes, and user flow diagrams to illustrate your points. Avoid walls of text.

  • Focus on Impact: Emphasize the "why" behind your design decisions and the positive impact your work had on users and the business.

  • Be Prepared for Deep Dives: Anticipate questions about your process, tools, challenges, and how you would adapt your solutions for different contexts. Be ready to discuss your Figma workflow and Design System contributions in detail.

📝 Enhancement Note: The interview process is designed to assess not only your design skills but also your strategic thinking, problem-solving abilities, cultural fit, and ability to communicate effectively. A well-prepared portfolio presentation is paramount.

📌 Application Steps

To apply for this Designer (UX Generalist) position:

  • Submit your application through the Kaluza careers portal (https://www.kaluza.com/job?gh_jid=4796065101).

  • Curate Your Portfolio: Select 2-3 impactful UX/Product Design projects that best showcase your generalist skills, problem-solving approach, and experience with design systems and user research. Ensure clear case studies with defined problems, processes, solutions, and outcomes.

  • Tailor Your Resume: Highlight keywords from the job description such as "UX Generalist," "Product Design," "Figma," "Design System," "User Research," "SaaS," and "Energy Retail Platform." Quantify your achievements with data where possible.

  • Prepare Your Case Study Presentation: Practice presenting your selected portfolio projects, focusing on storytelling, clarity, and demonstrating your impact. Be ready to discuss your design process and rationale in detail.

  • Research Kaluza: Understand the company's mission, values, and products. Prepare to articulate why you are a good cultural fit and how you can contribute to their goals, particularly in the energy sector.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions based on the provided data. All details, particularly regarding specific interview expectations and cultural nuances, should be verified directly with Kaluza's hiring team.

Application Requirements

The ideal candidate is a hands-on designer skilled in Product Design, ideally using Figma, with experience in expanding and contributing to a Design System. Applicants must be highly collaborative, able to use both qualitative and quantitative data to inform design decisions, and possess curiosity regarding the complexities of the energy sector.