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Description

I help startups structure their frontend to scale: monorepo architecture, design system, maintainable codebase.

My niche: laying solid foundations from the start to avoid the technical debt that slows everyone down after 6 months.

WHAT I DO

→ Monorepo architecture (Turborepo, pnpm)

→ Design system from scratch (Radix, Storybook, Tailwind)

→ Web3 integration (multi-chain wallets, DeFi)

LAST MISSION — BANGK (Crypto Neobank)

Lead Frontend, 2.5 years, from scratch → scale

Monorepo: 3 web apps + 1 mobile, 50+ shared packages

Design system: 50+ accessible components

Web3: 4 blockchains integrated (Ethereum, Solana, Polygon, Base)

Managed 3 developers

PREVIOUS MISSION — DISHOP (Foodtech)

Refactored React Native app in 3 months

Migration JS → TS, Redux → Zustand + Tanstack query

-40% code, maintainable codebase

STACK

TypeScript, React, Next, Tanstack start, React Native/Expo, TailwindCSS, Radix UI, Zustand, React Query, Turborepo, Wagmi/Viem

Available for a 15min call this week.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

BANGK
Lead Frontend Developer - Architecture & Web3
BANKING AND INSURANCE
September 2023 - January 2026 (2 years and 4 months)
Nice, France
Lead Frontend Developer — BANGK (Crypto/RWA Neobank)
~2.5 years | Team of 5 developers, 1 designer, 1 PO

BANGK: crypto neobank for RWA (real-world assets) investments in sustainable projects.

Joined from day 1 alongside the CTO. Full ownership of frontend and mobile. Complete freedom on technical choices.

MONOREPO ARCHITECTURE
Designed a monorepo from scratch (Turborepo + pnpm):
• 3 applications: ICO Dashboard (investors), Admin Dashboard (internal team), Showcase website
• 21 shared packages: hooks, utils, types, API services, providers, i18n, constants
• Centralized ESLint/TypeScript/Prettier configurations

MOBILE APP (iOS/Android)
Advanced prototype delivered in under 2 months:
• Stack: Expo + Tamagui (cross-platform design system)
• Full architecture, navigation, state management
• Mobile design system from scratch with shared tokens

WEB DESIGN SYSTEM
Library of 50+ components:
• Stack: Storybook + TailwindCSS + Radix UI (headless, accessible)
• Tokens, dark/light theming, WCAG compliance

WEB3 INTEGRATION
Stack: Wagmi, Viem, Web3Modal
• Multi-chain: Ethereum, Solana, Polygon, Base
• Wallet connection (MetaMask, WalletConnect, Phantom), transactions, on-chain verification
• Challenge: abstract blockchain complexity for a fluid UX (non-crypto users)

LEADERSHIP
• Recruitment and skill development of 3 developers
• Systematic code reviews, standards definition, structured onboarding
• Daily coordination with CTO (backend) and designer

FULL STACK
React 18, TypeScript, Vite, Expo, Tamagui, Zustand, React Query, React Hook Form, Zod, TailwindCSS, Radix UI, Framer Motion, i18next, Storybook
TypeScript Design System Software Architecture Blockchain React.js
Dishop
TypeScript-React Developer
RESTAURANTS AND FOOD SERVICE
June 2023 - September 2023 (3 months)
Nice, France
React Native Developer — DISHOP (Foodtech)
3 months | Refactoring mission | Team of 5 developers

DISHOP: delivery solutions for restaurants & franchises. White-label apps: customer app, delivery driver app, management dashboard.

Mission: complete refactoring of the iOS/Android delivery driver app.

TECHNICAL REFACTORING
Modernization of a legacy codebase:
• JavaScript → Strict TypeScript
• Class components → Functional components + Hooks
• Redux → Zustand + TanStack Query
• React 18 update

OPTIMIZATION & DRY
Significant code reduction (~40%):
• Creation of reusable custom hooks
• Implementation of a design system (shared components)
• Factorization of repetitive patterns
• Removal of dead code and duplication

RESULTS
• Maintainable and typed codebase
• Easier onboarding for new developers
• Improved DX (fewer bugs, predictable code)
• Mission delivered on time (3 months)

STACK
React Native (Expo), TypeScript, Zustand, TanStack Query, React 18
React Native TypeScript React Query Expo Refactoring