Product Designer

Luminance; City Of London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Luminance is seeking a Product Designer to craft intuitive, elegant AI-powered workflows for enterprise use. You will partner with product managers, engineers, and legal experts to design solutions spanning legal, compliance, procurement, finance, and operations.

You’ll lead the full design process from research to polished prototypes, ensuring usability, consistency, and alignment with Luminance’s design system.

Responsibilities

• Product Design Ownership & Strategy: act as the design expert voice and influence roadmap priorities through user empathy and design thinking.
• Research & Specification: conduct user research/workshops to understand pain points; align scope and design direction with stakeholders.
• Design & Prototyping: create/iterate wireframes and prototypes in Lovable and Figma, from low to high fidelity.
• Build & Verification: collaborate with engineers to ensure implementation matches design and proof UX quality.
• Finalisation & Consistency: maintain coherence across the product ecosystem and uphold accessibility and trust in AI-powered experiences.

Job description

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.