Toolkit

Toolkit
Product Design • Zero to One • 2023-2025

Construction software that works

Sole designer from concept to 2,000 customers

Toolkit App
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My Role

End-to-end product design

From prototype to production in a lean 3-person team

Sole product designer

Creation phase

Brand & visual identity

Guidelines & key visuals

Web & mobile flows

Onboarding to core features

Design system

Scalable foundations

Direct collaboration

With CEO & CTO

I joined a three-person team: CEO with domain expertise, lead developer building foundations, and myself as sole designer. No design team, no researchers. Tight collaboration and weekly user validation.

Scope of Work

Designed the entire app

From authentication to planning, every screen and interaction.

Funding Prototype

Funding Prototype

Hi-fi prototype securing initial investment. App architecture, UX flows, pitch deck design.

Core Product

Core Product

Project creation, task management, documents, zones, activity tracking, team collaboration.

Interactive Planning

Interactive Planning

Advanced canvas with micro-interactions: fluid zoom, dynamic menus, drag selection, batch operations.

Mobile Strategy

Mobile Strategy

Responsive views designed for native iOS/Android adaptation. Coherent interaction patterns.

Administration

Administration

User management, subscriptions, enterprise features.

Design System

Design System

Tailwind UI kit, tokens, Figma organization. Scalable to 120+ screens.

12-Month Journey

Three phases to market fit

Phase 1

Foundation

Months 1-3

Establishing the core architecture and essential workflows.

Key Deliverables

  • Core authentication & navigation architecture
  • Project creation & management workflows
  • Task library with drag-drop sequences
  • Planning V1 with colorful task cards
  • Subscription system (individual + enterprise)
  • PDF export functionality
Phase 2

Feature Expansion

Months 4-8

Enhancing interactivity and visual systems.

Key Deliverables

  • Advanced planning interactions (multi-select)
  • Dynamic island adaptive menu system
  • Refined task card aesthetic (V2 visual system)
  • Fluid zoom timeline (daily to quarterly)
  • Project hub for multi-site managers
  • Stakeholder management features
Phase 3

Platform Maturity

Months 9-12

Scalability, mobile strategy, and refinement.

Key Deliverables

  • Visual complexity management (hierarchy)
  • Mobile strategy with platform-specific design
  • Navigation evolution (direct access)
  • Consolidated mobile navigation (4 groups)
  • Activity enrichment (photo annotation)
  • Design system scalability (120+ screens)
Key Interactions

Interaction design as differentiator

Planning Canvas
From v1 to v2

Planning Canvas

Evolved visual system: reduced weight, improved contrast. 50+ tasks visible without overwhelm.

Context-aware actions

Dynamic Island Menu

Menu adapts to selection state. Single task: edit options. Multiple: batch operations.

20 seconds vs minutes

Batch Operations

Rectangle drag selection across zones. Apply parameters to 50+ tasks at once.

Day to quarter view

Fluid Zoom

Seamless timeline navigation from daily tasks to quarterly overview.

Impact

Design driving business results

2,000+

Paying customers

in 24 months

Series A

Funding secured

November 2025

15+

Sites per enterprise

customer

"
Victor worked with Toolkit as our UX/UI designer from the earliest stages. He transformed complex business requirements into perfectly adapted user flows. Thanks to his experience, Victor also established foundational systems (UI kit, interaction patterns) that saved us considerable development time.
Pierre-Marie Nigay

Pierre-Marie Nigay

Founder @ Toolkit

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