Product Designer

September 22, 2026

Remote

Senior

London, England, UK

Description

Fyxer, an AI-powered productivity platform, is hiring a senior product designer to join as its sole design hire, reporting to the Head of Product. The role centres on interaction design for AI-driven experiences, from a daily-habit dashboard to a real-time notetaker and personalised AI drafts. Design decisions are grounded in human behaviour, and the team values craft, speed and AI-native workflows, with the designer working closely alongside engineers.

Responsibilities

Design interfaces where the AI does real work, raising things people missed and generating personalised drafts
Design a dashboard experience that makes AI feel like a natural daily habit
Design a real-time notetaker that generates live transcripts and captures the right context
Design personalised AI draft generation that adapts to each user's communication style
Own interaction design across complex cross-surface workflows with real complexity underneath
Work as the sole designer alongside engineers, with real influence over what gets built

Requirements

5+ years designing in high-growth, early-stage environments where structure had to be built rather than inherited
Understanding technical constraints well enough to have a real conversation with an engineer, not just hand over a Figma file
Running own user research: talking to users, watching session recordings, and using findings to defend or change design decisions
Moving fast and using AI tools, knowing when to be rigorous and when to unblock someone with an MVP
Human-behaviour-first thinking: reasoning in motivation, habit and friction before screens
Strong craft and execution, shipping quickly without losing the quality that makes a product feel premium
Understanding AI-native workflows, principles, components and systems that plug into engineering workflows
Nice to have: experience making design changes in the codebase
Design tooling: Figma, Miro, Lucide
Component alignment: ShadCN, Tailwind CSS, V0
Insight tools: PostHog for surveys, session recording and analytics

Conditions

Report to the Head of Product as the sole designer and an early design hire
Work alongside engineers on an AI-powered productivity platform
Location: London, England, UK
Culture of agency with total ownership and minimal interference
Zero bureaucracy: no slow-motion decision-making and no alignment meetings for their own sake
Intense culture requiring focus and discipline, with wellbeing support and rewards for impact

FigmaMiroLucideShadCNTailwind CSSV0PostHogai productivity softwareUser researchSession recordingsAI-native workflows

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