UX Focused Product Designer | Complex Systems | Developer Tools | Data-Intensive Products

UX Focused Product Designer | Complex Systems | Developer Tools

London - £140,000 with benefits

A highly respected, product-led software company is hiring a UX-focused Product Designer to take ownership of user experience across complex, data-heavy product areas.

This is not a brand, marketing, or visual-polish role.

You’ll be designing for power users, elite SW Engineers and technical teams who work daily inside dense, mission-critical interfaces. These products sit at the heart of real production systems, where clarity, efficiency, and correctness matter more than surface-level aesthetics.

If you enjoy hard problems, systems thinking, and working shoulder-to-shoulder with SW Engineers, this role will suit you.

Who this role is for

This role will resonate if you see yourself as a:

• Product Designer (Complex Systems / B2B)
• UX Designer for developer tools or technical platforms
• Interaction Designer working on dense, state-heavy interfaces
• Design Technologist or UX Engineer (design-leaning)
• Systems-minded Designer who enjoys complexity rather than hiding it

If your background is primarily brand, marketing websites, or purely visual design, this is unlikely to be a good fit.

What you’ll be doing

• Owning UX design for complex, data-intensive product areas
• Understanding real user workflows, mental models, and constraints in production environments
• Designing interaction models, workflows, and behaviours — not just screens
• Producing practical design artefacts: wireframes, interaction specs, prototypes, and documentation
• Working closely with engineers to ensure designs are feasible, performant, and implemented correctly
• Iterating designs based on user research, usability testing, and real usage data
• Helping define and evolve UX standards and design language across the product
• Occasionally contributing small frontend changes (React-based) to close the loop between design and delivery
• Supporting user research to uncover genuine customer pain points and opportunities

What you’ll need

• Solid experience as a Product Designer, UX Designer, or Interaction Designer on complex software products
• Proven ability to design for power users and data-heavy workflows
• Strong grounding in interaction design, usability principles, and information architecture
• Experience planning and running user research and usability testing
• Technical fluency, including:
• Ability to inspect DOM, layout, and interaction behaviour
• Comfortable collaborating with engineers and reading frontend code
• Working comfortably with Git
• Strong judgement, knowing when to simplify, when to expose power, and when not to hide complexity

What’s in it for you

• Shape interaction models used inside thousands of real production systems
• High autonomy and ownership over meaningful product areas
• Close collaboration with experienced engineers who care about quality
• Minimal process, low ceremony, and no design theatre
• A product where UX decisions have long-term impact at serious scale
• Competitive salary, strong benefits, and a flexible hybrid working model

How to apply

Please send your CV and portfolio, or include clear links to your online portfolio within your CV.