Principal Product Designer

Company: Manual
Apply for the Principal Product Designer
Location: London
Job Description:

Overview

In this IC role, you own and shape the end-to-end UX for our flagship mobile apps, driving strategy, vision, and high-quality craft. You collaborate with Product, Engineering, and Clinical leads to translate complex requirements into intuitive journeys that solve real user problems. You’ll balance product strategy with hands-on design, and mentor others while elevating design quality. This role offers meaningful impact at scale in healthcare, with a chance to influence core app experiences and workflows.

Pay / Benefits

  • Share options
  • Private medical insurance
  • Gym & wellness benefit
  • Remote opportunity / Hybrid role based in London Bridge
  • Cycle to work scheme
  • Electric car scheme

Responsibilities

  • Own end-to-end product design from discovery to delivery with a customer-first focus
  • Lead hands-on design execution for complex app features, setting benchmarks for interaction, visuals, and usability
  • Validate ideas via A/B tests, prototyping, and user testing
  • Identify and own key metrics to measure impact and success
  • Develop deep customer understanding through qualitative and quantitative research
  • Collaborate with Product, Engineering, and Clinical leadership to translate requirements into elegant journeys

Key requirements

  • 7+ years of product design experience on consumer mobile apps
  • Staff/Lead IC with track record across multi-squad teams
  • Mastery of craft: prototyping, visual design, micro-interactions, information architecture
  • Experience conducting usability testing and partnering with User Research
  • Strong communication to articulate design rationale and trade-offs
  • Mentoring junior/mid-level designers to raise design quality
  • ownership/autonomy
  • impact-oriented
  • problem solving with complexity
  • prototyping
  • visual design
  • micro-interactions

…

Posted: October 16th, 2026