Product Designer

Luminance
Full_time

πŸ“ Job Overview

Job Title: Product Designer
Company: Luminance
Location: London, England, United Kingdom
Job Type: Full-Time
Category: Product Design / UX/UI Design
Date Posted: 2026-01-05
Experience Level: Mid-Level (2-5 years)
Remote Status: On-site

πŸš€ Role Summary

  • Drive the product design strategy for Luminance's Legal-Gradeβ„’ AI platform, focusing on creating intuitive and impactful user experiences for complex AI-powered workflows across enterprise functions.
  • Own the end-to-end design process, from initial user research and concept development to high-fidelity prototyping and final design verification, ensuring seamless integration with existing systems and a consistent design language.
  • Act as the primary design liaison, collaborating closely with product managers, engineers, legal experts, and other stakeholders to translate intricate AI capabilities and business requirements into user-centered, accessible, and trustworthy solutions.
  • Champion user empathy and design thinking to influence roadmap priorities and ensure that all product releases are not only functional but also delightful and aligned with Luminance's overall product vision.

πŸ“ Enhancement Note: The role emphasizes ownership and strategic influence, indicating a need for a designer who can proactively shape product direction, not just execute on defined tasks. The mention of extending beyond legal teams to compliance, procurement, finance, and business operations suggests a broad scope of impact and the need for versatility in understanding diverse user needs within an enterprise context.

πŸ“ˆ Primary Responsibilities

  • Product Design Ownership & Strategy:
    • Act as the design expert, influencing product roadmap decisions through deep customer empathy, user research insights, and strategic design thinking.
    • Translate complex product requirements, AI capabilities, and business objectives into user-centered design solutions that address enterprise-level challenges.
  • Research & Specification:
    • Lead user research initiatives, including customer interviews and design workshops, to uncover and deeply understand user pain points, workflows, and needs across various enterprise departments (legal, compliance, procurement, finance, operations).
    • Facilitate kick-off and playback sessions with cross-functional teams and stakeholders to clearly define project scope, validate design flows, and ensure alignment on design direction.
    • Produce comprehensive and clear design specifications, documentation, and user flows that effectively guide engineering teams and meet product requirements.
  • Design & Prototyping:
    • Create and iterate on wireframes, user flows, and interactive prototypes using Figma, spanning from low-fidelity explorations to high-fidelity mockups that clearly communicate design intent.
    • Leverage strong prototyping skills to build interactive models that facilitate user testing, stakeholder feedback, and the validation of design concepts.
    • Conduct rigorous design validation with end-users and stakeholders to refine designs and ensure they meet user needs and business goals before development commences.
  • Build & Verification:
    • Foster close collaboration with engineering teams throughout the development lifecycle to ensure accurate and efficient implementation of designs.
    • Conduct thorough design reviews and sign-off on functionality and user experience before product releases to maintain quality standards.
  • Finalisation & Consistency:
    • Ensure design coherence and consistency across the entire product ecosystem, maintaining Luminance's design language, brand identity, and overall product vision with every release.
    • Champion accessibility best practices, clarity in user interfaces, and the cultivation of trust in AI-powered user experiences.

πŸ“ Enhancement Note: The responsibilities highlight a comprehensive design lifecycle ownership, from strategic input and research to detailed specification, prototyping, and implementation oversight. The emphasis on influencing the roadmap and acting as an "expert voice" suggests that candidates with a strong strategic design background and the ability to articulate design value will be highly regarded.

πŸŽ“ Skills & Qualifications

Education:

  • Degree in Design, Human-Computer Interaction (HCI), or a closely related discipline.
  • Equivalent practical experience in a professional design role will also be considered.

Experience:

  • A minimum of 3 years of professional experience in product design, UX/UI design, or a similar role within the SaaS or enterprise software industry.
  • Demonstrated experience working closely with product managers and engineers within Agile development environments.
  • Proven track record of successfully guiding products through the full design lifecycle, from user research to implementation.

Required Skills:

  • Product Design Expertise: Proficient in end-to-end product design, including user research, wireframing, prototyping, and UI design.
  • User-Centred Design: Deep understanding and application of user-centred design principles to create intuitive and effective user experiences.
  • Prototyping Proficiency: Strong skills in creating interactive prototypes using tools like Figma to test and communicate design intent effectively.
  • Figma Mastery: Advanced proficiency in Figma for design, prototyping, and collaboration.
  • Design Systems: Proven expertise in working with, contributing to, or building design systems to ensure consistency and scalability.
  • User Research: Experience conducting various forms of user research (interviews, workshops, usability testing) to gather actionable insights.
  • Collaboration Skills: Ability to work effectively and collaboratively with cross-functional teams, including product managers, engineers, and subject matter experts.
  • Agile Methodologies: Familiarity with Agile development processes and experience working within Scrum or Kanban frameworks.
  • Communication Skills: Excellent verbal and written communication abilities, with the capacity to articulate complex design decisions and rationale to diverse audiences.
  • Organisational Skills: Strong ability to manage multiple projects simultaneously, prioritize tasks, and meet deadlines in a fast-paced environment.

Preferred Skills:

  • Enterprise/Complex Workflow Products: Portfolio showcasing experience with enterprise software or products involving complex, multi-step workflows.
  • AI/ML Product Design: Experience designing user interfaces for AI-powered or machine learning-driven products.
  • Legal/Compliance Tech: Familiarity with the user needs and workflows within legal, compliance, procurement, or finance departments.
  • Accessibility Champion: Demonstrated passion and understanding of accessibility standards (WCAG) and their implementation in design.
  • Technical Understanding: Basic understanding of software development principles and technical constraints that may impact design.

πŸ“ Enhancement Note: The required experience level of 2-5 years suggests a candidate who is past the junior stage and can operate with a significant degree of autonomy, contributing strategically to product development. The emphasis on enterprise software and complex workflows, along with specific tools like Figma and design systems, points towards a need for practical, hands-on experience in a professional product design setting.

πŸ“Š Process & Systems Portfolio Requirements

Portfolio Essentials:

  • User-Centred Design Case Studies: Showcase 2-3 detailed case studies demonstrating your process for solving user problems within an enterprise context. Each case study should clearly outline the problem, your role, the design process followed (research, ideation, prototyping, testing), and the final solution.
  • Impact & Outcomes: Quantify the impact of your designs whenever possible, using metrics related to user engagement, task completion rates, efficiency gains, or user satisfaction. Highlight how your design decisions contributed to business objectives.
  • Systemic Thinking: Include examples that demonstrate your ability to maintain design consistency and coherence across a product ecosystem, showcasing your understanding of design systems and their application.
  • Prototyping and Interaction Design: Provide examples of interactive prototypes (e.g., Figma links or video demonstrations) that clearly illustrate complex user flows and interactions within enterprise applications.

Process Documentation:

  • Workflow Design & Optimization: Demonstrate your ability to map, analyze, and optimize complex user workflows, particularly those involving multi-step processes or intricate data interactions.
  • User Research Synthesis: Present how you translate raw user research data into actionable design insights and product requirements.
  • Cross-Functional Collaboration: Illustrate how you document and communicate design decisions and specifications to engineering and product management teams, ensuring clarity and alignment throughout the development cycle.

πŸ“ Enhancement Note: For a Product Designer role, especially in enterprise SaaS, a portfolio is paramount. The emphasis here is not just on visual aesthetics but on the process and impact. Candidates should be prepared to articulate how they moved from understanding a problem to delivering a solution that demonstrably improved user experience or business outcomes, particularly within complex or AI-driven environments.

πŸ’΅ Compensation & Benefits

Salary Range:

  • Based on industry benchmarks for Product Designers with 3+ years of experience in London, a competitive salary range would typically fall between Β£55,000 and Β£75,000 annually. This estimate considers the cost of living in London, the specialized nature of designing for AI and enterprise software, and the specific experience level required.

Benefits:

  • Pension Scheme: Participation in the Aegon RetireReady pension scheme, offering a structured approach to retirement savings.
  • Comprehensive Health Insurance: Enrolment in BUPA health insurance from day one, covering employees, partners, and dependents (if applicable), providing robust medical coverage.
  • Life Insurance: A subsidized life insurance scheme offered by Luminance, providing financial security for beneficiaries.
  • Paid Sabbatical Opportunities: Access to paid sabbatical programs, offering opportunities for extended rest, personal development, or travel.
  • Enhanced Maternity and Paternity Policies: Supportive policies designed to aid working parents during significant life events.
  • Learning and Development Budget: An allocated budget per employee dedicated to professional growth, enabling participation in courses, conferences, certifications, and other learning opportunities.

Working Hours:

  • Standard full-time working hours are expected, typically around 40 hours per week. While the role is on-site, Luminance may offer some flexibility within the standard work week, subject to team and business needs.

πŸ“ Enhancement Note: The provided salary range is an estimate based on typical market rates for a mid-level Product Designer in London. Actual compensation will be determined by the candidate's specific experience, skill set, and performance during the interview process. The benefits package is quite comprehensive, particularly the early eligibility for health insurance and the dedicated learning budget, which are strong attractors for experienced professionals.

🎯 Team & Company Context

🏒 Company Culture

Industry: Technology (Artificial Intelligence, Legal Tech, Enterprise Software)
Company Size: Growing, likely between 50-250 employees, based on the nature of its VC backing and global customer base. This size suggests a dynamic environment with opportunities for impact, but also a need for structured processes.
Founded: Founded with a mission to pioneer Legal-Gradeβ„’ AI, Luminance has established itself as a leader in transforming enterprise workflows through advanced AI, indicating a forward-thinking and innovation-driven culture.

Team Structure:

  • Product Design: The Product Designer will likely be part of a dedicated Product team, working closely with Product Managers and Engineers. The structure is designed for efficient collaboration on product development.
  • Cross-functional Collaboration: The role explicitly requires close partnership with Product Managers, Engineers, and legal/domain experts. This indicates a highly collaborative environment where design is integrated into the product development lifecycle from inception.
  • Reporting: The Product Designer will likely report to a Head of Product, Design Lead, or a senior Product Manager, depending on the exact organizational structure.

Methodology:

  • Customer-Centricity: A strong emphasis on understanding customer pain-points and translating them into user-centered designs, driven by user research and empathy.
  • Agile Development: Collaboration within Agile environments suggests iterative development cycles, continuous feedback, and adaptability.
  • Design Thinking: Application of design thinking principles to solve complex problems, ensuring solutions are desirable, feasible, and viable.
  • Data-Informed Decisions: While not explicitly stated for design, the company's AI focus implies a culture that values data and measurable outcomes, which designers will need to align with through performance metrics.

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

πŸ“ Enhancement Note: Luminance operates in a highly innovative space (Legal-Grade AI) and has achieved significant global traction. This suggests a culture that values innovation, expertise, and a drive for impact. The emphasis on collaboration and user-centricity is typical for successful SaaS companies, especially those dealing with complex enterprise solutions.

πŸ“ˆ Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-level Product Designer. It requires independent execution on design tasks, the ability to influence product direction through design expertise, and collaboration with senior members of product and engineering. It's a step beyond junior roles, demanding strategic thinking and ownership.

Reporting Structure: The Product Designer will likely report to a Design Lead or Head of Product. This structure provides mentorship and guidance while allowing for significant autonomy on design projects. Collaboration will extend across product management and engineering teams.

Operations Impact: The Product Designer's impact is critical for Luminance's success. By creating intuitive interfaces for complex AI workflows, they directly influence user adoption, efficiency gains for enterprise clients, and the overall perception of Luminance's technology. A well-designed product reduces friction for legal, compliance, procurement, and finance teams, enabling faster decision-making, reduced risk, and accelerated growth, directly contributing to the company's value proposition.

Growth Opportunities:

  • Design Leadership: Potential to grow into a Senior Product Designer role, taking on more complex projects, mentoring junior designers, and contributing more significantly to design strategy.
  • Specialization: Opportunity to deepen expertise in AI product design, user research methodologies, or specific enterprise domains like legal tech, compliance software, or finance operations.
  • Cross-functional Advancement: Potential to move into Product Management roles by leveraging a deep understanding of user needs, product strategy, and development processes.
  • Team Building: As the company grows, there may be opportunities to help build and shape the product design team and its processes.

πŸ“ Enhancement Note: The growth path is clearly defined, moving from independent execution to strategic influence and potential leadership. The company's focus on AI and enterprise solutions provides fertile ground for developing specialized expertise that is highly valued in the tech industry.

🌐 Work Environment

Office Type: The role is advertised as "Hybrid" but the description specifies a "Central London office location," indicating a primary on-site expectation with potential for hybrid flexibility. This suggests a collaborative, in-person work environment.

Office Location(s): Central London, England, United Kingdom. This prime location offers excellent accessibility and proximity to a vibrant professional ecosystem.

Workspace Context:

  • Collaborative Space: A central London office likely provides modern, well-equipped workspaces designed to foster collaboration among product, engineering, and other teams.
  • Tools & Technology: Access to industry-standard design tools (Figma), collaboration platforms, and potentially specialized AI tools that Luminance uses internally.
  • Team Interaction: Frequent opportunities for in-person interaction with product managers, engineers, and domain experts, facilitating rapid ideation, feedback loops, and knowledge sharing.

Work Schedule: Standard full-time hours (approx. 40 hours/week) are expected, with a focus on delivering high-quality design work. The hybrid nature implies some flexibility in balancing office and remote work, though the emphasis on an on-site location suggests significant in-office presence is required.

πŸ“ Enhancement Note: The "On-site" AI designation, coupled with the mention of a "Central London office location," strongly points towards an expectation of regular in-office work. While "hybrid" is mentioned in the URL, the core description emphasizes the physical office, suggesting it's the primary mode of operation for collaboration and team synergy.

πŸ“„ Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A review of your resume and portfolio to assess qualifications and experience.
  • Portfolio Presentation & Discussion: A session where you present 1-2 key case studies from your portfolio, explaining your design process, rationale, and the impact of your work. This will be followed by in-depth questions about your approach to design challenges.
  • Technical/Design Challenges: You may be asked to complete a take-home design exercise or participate in a live design critique/problem-solving session to evaluate your skills in a practical context.
  • Stakeholder Interviews: Meetings with Product Managers, Engineers, and potentially other designers or leadership to assess your collaboration style, communication skills, and cultural fit.
  • Final Interview: A discussion with senior leadership to finalize the decision, often focusing on strategic thinking and long-term potential.

Portfolio Review Tips:

  • Curate for Impact: Select case studies that best showcase your experience with complex workflows, user research, and measurable results, ideally within an enterprise or SaaS context.
  • Tell a Story: Structure your case studies as narratives: define the problem, your unique contribution, the process, key decisions, challenges overcome, and the quantifiable outcomes.
  • Showcase Figma & Design Systems: Highlight your proficiency with Figma and any experience with design systems, demonstrating your ability to create scalable and consistent designs.
  • Articulate Your "Why": Be prepared to clearly explain the rationale behind your design decisions, linking them back to user needs and business objectives.
  • Focus on Collaboration: Emphasize how you worked with cross-functional teams and stakeholders to achieve project goals.

Challenge Preparation:

  • Understand Luminance: Research Luminance's product, target market (legal, compliance, finance, operations), and AI capabilities. Understand the types of complex workflows they aim to simplify.
  • Practice Design Thinking: Be ready to articulate how you would approach a design problem from scratch, starting with research and user empathy.
  • Prepare for AI-Specific Design: Consider the unique challenges and opportunities of designing for AI, such as explaining AI outputs, managing user expectations, and building trust.
  • Communicate Clearly: Practice articulating your thought process, design decisions, and solutions concisely and effectively to both technical and non-technical audiences.

πŸ“ Enhancement Note: The interview process is likely to be rigorous, with a strong emphasis on the portfolio as a demonstration of practical skills and problem-solving ability. Candidates should prepare to not only show their work but also to deeply articulate their thought process and the impact of their designs.

πŸ›  Tools & Technology Stack

Primary Tools:

  • Figma: The core design and prototyping tool. Expect extensive use for wireframing, UI design, interactive prototyping, and collaboration.
  • Design Systems: Proficiency with existing design systems and potentially contributing to their evolution is crucial for maintaining consistency across Luminance's platform.
  • Prototyping Tools: While Figma is primary, familiarity with other prototyping tools (e.g., InVision, Adobe XD) might be beneficial, though Figma's capabilities are likely sufficient.

Analytics & Reporting:

  • User Analytics Platforms: Familiarity with tools like Mixpanel, Amplitude, or Google Analytics for understanding user behaviour within the product and informing design decisions.
  • Heatmapping/Session Recording Tools: Tools like Hotjar or FullStory could be useful for observing user interactions and identifying usability issues.

CRM & Automation:

  • While not directly a designer's tool, understanding how design interfaces integrate with CRM systems (like Salesforce) and automation workflows is beneficial for enterprise software design. Familiarity with how data flows and triggers actions within an application can inform more robust design solutions.

πŸ“ Enhancement Note: Figma is explicitly mentioned as a requirement, making it the most critical tool. The emphasis on design systems suggests a mature product development process. While direct use of analytics or CRM tools might be limited, a conceptual understanding of how design impacts these areas is advantageous for an enterprise product designer.

πŸ‘₯ Team Culture & Values

Operations Values:

  • Innovation & Pioneering Spirit: As a leader in "Legal-Gradeβ„’ AI," Luminance likely values pushing boundaries, embracing new technologies, and a drive to be at the forefront of AI application.
  • Customer Empathy: A fundamental value for any successful design team, especially at Luminance, where understanding the complex needs of legal, compliance, and finance professionals is key.
  • Collaboration & Teamwork: The emphasis on working with product managers and engineers highlights the importance of seamless teamwork and open communication.
  • Excellence & Impact: A drive to deliver high-quality, impactful solutions that genuinely transform how enterprises operate, reducing risk and accelerating growth.
  • Trust & Clarity: Especially relevant for AI products, fostering trust and ensuring clarity in user interfaces and AI outputs will be paramount.

Collaboration Style:

  • Cross-Functional Integration: Designers are expected to be deeply embedded within product teams, working hand-in-hand with PMs and engineers throughout the development lifecycle.
  • Iterative Feedback: An Agile environment implies a culture of continuous feedback, where designs are shared early and often, and iteration is encouraged.
  • Open Communication: The need to articulate design decisions to diverse stakeholders suggests a culture that values clear, direct, and respectful communication.
  • Problem-Solving Focus: A collective effort to tackle complex enterprise challenges through collaborative design and engineering solutions.

πŸ“ Enhancement Note: The company's mission and industry suggest a culture that is both intellectually stimulating and results-oriented. A designer who thrives in collaborative environments, is passionate about solving complex problems with technology, and values user impact will likely find a strong cultural fit.

⚑ Challenges & Growth Opportunities

Challenges:

  • Designing for Complexity: Translating sophisticated AI capabilities and intricate legal/enterprise workflows into simple, intuitive user experiences is a significant design challenge.
  • Balancing User Needs with Technical Constraints: Effectively mediating between user desires, business requirements, and the technical feasibility of AI implementation.
  • Building Trust in AI: Designing interfaces that foster user trust and understanding of AI-generated insights and actions, particularly in high-stakes enterprise environments.
  • Maintaining Consistency: Ensuring a cohesive and consistent user experience across a growing product suite with diverse functionalities and evolving AI features.
  • Fast-Paced Environment: Adapting to rapid development cycles, evolving product roadmaps, and the dynamic nature of the AI technology landscape.

Learning & Development Opportunities:

  • AI Product Design Specialization: Deepen expertise in designing for AI/ML products, understanding user interaction patterns specific to intelligent systems.
  • Enterprise Workflow Optimization: Gain in-depth knowledge of enterprise business processes (legal, compliance, finance, procurement) and how technology can optimize them.
  • Design System Evolution: Contribute to and lead the expansion of Luminance's design system, developing best practices for scalable design.
  • Cross-Functional Skill Development: Enhance skills in product strategy, user research methodologies, and Agile development processes through close collaboration.
  • Industry Exposure: Potential to attend industry conferences or pursue certifications related to AI, UX design, or enterprise software.

πŸ“ Enhancement Note: The challenges are inherent to working with cutting-edge technology and complex enterprise solutions. These challenges also represent significant opportunities for professional growth and skill development, making the role attractive to ambitious designers.

πŸ’‘ Interview Preparation

Strategy Questions:

  • Design Process for Complex Workflows: "Describe a time you designed a complex, multi-step workflow. Walk me through your process from understanding the user needs to the final implementation, highlighting any key challenges and how you overcame them." (Prepare a relevant case study from your portfolio).
  • Influencing Product Direction: "How do you influence product roadmap decisions as a designer? Provide an example of how you used user research or design thinking to advocate for a specific feature or design change."
  • Designing for AI: "What are the unique considerations when designing user experiences for AI-powered products? How do you ensure user trust and understanding?" (Think about transparency, explainability, and error handling).

Company & Culture Questions:

  • Understanding Luminance's Mission: "What excites you about Luminance's mission to pioneer Legal-Gradeβ„’ AI? How do you see design contributing to this mission?" (Research their website and recent news).
  • Collaboration Style: "Describe your ideal working relationship with product managers and engineers. How do you ensure effective collaboration and alignment?"
  • Measuring Design Impact: "How do you measure the success of your designs? What metrics do you typically track, and how do you tie them back to business objectives?"

Portfolio Presentation Strategy:

  • Structure Your Narrative: For each case study, clearly present the problem, your role and responsibilities, the user research conducted, your design process and iterations, key design decisions, and the final outcomes (quantified where possible).
  • Highlight Figma & Prototyping: Be ready to demo interactive prototypes from Figma, explaining how they communicate design intent and user flows.
  • Articulate Your Rationale: For every design decision, explain the "why" – linking it to user needs, business goals, or design principles.
  • Showcase Collaboration: Briefly mention how you collaborated with stakeholders and engineering to bring the design to life.
  • Focus on Impact: Emphasize how your design solved the problem and delivered measurable value.

πŸ“ Enhancement Note: Interviewers will be looking for a designer who can not only execute visually but also think strategically, communicate effectively, and demonstrate a deep understanding of the user and business context. Preparing specific examples from your portfolio and thoroughly researching Luminance will be key.

πŸ“Œ Application Steps

To apply for this Product Designer position:

  • Submit your application through the provided worklink application.
  • Portfolio Customization: Ensure your portfolio prominently features case studies that highlight your experience with complex enterprise workflows, user-centered design processes, and the use of Figma. Tailor your selection to showcase relevant skills for AI-driven products.
  • Resume Optimization: Update your resume to clearly articulate your years of experience, specific responsibilities in previous product design roles, and proficiency with key tools like Figma and design systems. Quantify achievements wherever possible.
  • Interview Preparation: Practice presenting 1-2 of your strongest portfolio case studies, focusing on your design process, decision-making rationale, and the impact of your work. Prepare answers to common design strategy and collaboration questions.
  • Company Research: Thoroughly research Luminance, its product offerings (Legal-Gradeβ„’ AI), target industries (legal, compliance, procurement, finance), and company mission. Understand their design language and product vision as presented on their website.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.


Application Requirements

Candidates should have a degree in design or a related discipline and at least 3 years of professional experience in product design or UX/UI design. Proficiency in Figma and a strong portfolio showcasing user-centred design work are essential.