Product Designer

Luminance is the pioneer of Legal-Grade™ AI for enterprise. Backed by leading VCs and recognised by Forbes and Inc. as one of the world’s most promising AI companies, Luminance is transforming the way in-house teams work. Today, our platform is used by over 700 customers in 70 countries, helping legal, compliance, procurement, finance, and business operations teams collaborate more effectively, reduce risk, and accelerate growth. By combining cutting-edge AI with deep legal and regulatory expertise, we are redefining how enterprises handle contracts, compliance, and decision-making at scale.

The Role

We’re looking for a Product Designer to create intuitive, elegant, and impactful experiences that make complex AI-powered workflows simple and usable across enterprise functions. You will partner closely with product managers, engineers, and legal experts to design solutions that begin with legal teams and extend across compliance, procurement, finance, and operations.

As a Product Designer, you will guide the full design process, from research and concept to polished prototypes, ensuring that every workflow we ship is not only functional, but delightful and consistent with Luminance’s design system.

Responsibilities

• Product Design Ownership & Strategy
• Act as the design “expert voice”, influencing roadmap priorities through customer empathy and design thinking.
• Translate product requirements and AI capabilities into user-centred design.
• Research & Specification
• Conduct user research and design workshops to deeply understand customer pain-points.
• Lead kick-off and playback sessions to align scope, validate flows, and ensure design direction matches stakeholder expectations.
• Produce clear design specifications that guide development and align with product requirements.
• Design & Prototyping
• Create and iterate on wireframes, flows, and prototypes in Lovable, ranging from low-fidelity explorations to high-fidelity Figma prototypes.
• Demonstrate strong prototyping skills, producing interactive flows to test and communicate design intent.
• Validate and refine designs with stakeholders and end-users before build.
• Build & Verification
• Collaborate with engineers to ensure designs are implemented accurately and efficiently.
• Review and sign off on functionality and UX before release.
• Finalisation & Consistency
• Maintain coherence across the broader product ecosystem, ensuring every release aligns with Luminance’s design language and product vision.
• Champion accessibility, clarity, and trust in AI-powered experiences.

• Degree in design, HCI, or a related discipline (or equivalent experience).
• 3+  years of professional experience as a product designer, UX/UI designer, or similar role in SaaS or enterprise software.
• Proven expertise in Figma and modern design systems.
• Strong portfolio showcasing user-centred design work, including enterprise or complex workflow products.
• Excellent communication skills, with the ability to articulate design decisions to both technical and non-technical stakeholders.
• Strong organisational skills and the ability to prioritise multiple projects in a fast-paced environment.
• Experience working closely with product managers and engineers in Agile environments.
• Strong prototyping skills (e.g. interactive flows in Figma or similar tools).

Desired Skills & Attributes

• Ability to balance usability with business requirements and technical constraints.
• Empathy for end-users, particularly within legal, compliance, or enterprise contexts.
• Passion for transforming complex AI capabilities into intuitive, trustworthy experiences.
• Collaborative, detail-oriented, and driven to deliver designs that make a measurable impact.

• Central London office location.
• Pension scheme with Aegon, RetireReady.
• Health insurance with BUPA - all employees are eligible for enrolment for themselves and partners and dependents (if applicable) from Day 1 with Luminance. 
• Life Insurance scheme subsidised by Luminance.
• Paid sabbatical opportunities.
• Enhanced maternity and paternity policies – to support working parents.
• Learning and development budget per employee to empower our team members to elevate their potential.