Projects

Turborepo monorepo powering SalaireClair (gross-to-net salary simulator for 4 countries, 8 600+ weekly Google impressions) and PrêtClair (mortgage simulator, 2 400+ weekly impressions) — shared design system, shared utils, solo end-to-end.

• Monorepo architecture: 2 apps + 3 shared packages (@clairlab/design-system, @clairlab/utils, @clairlab/tsconfig) — adding an app = reuse DS + utils.
• Extracted shared design system: 47 UI components + AppHeader/AppFooter shells, themed per-app via OKLch tokens (orange SalaireClair, blue PrêtClair).
• SalaireClair: salary engine covering 4 countries × 4 statuses with bidirectional calculation (gross→net and net→gross), 54 MDX blog articles, 20 programmatic job pages, raise simulator, SMIC page, multi-country comparator — 8 600+ weekly Google impressions.
• PrêtClair: mortgage payment simulator, PTZ 2026 simulator, bridge loan simulator, borrowing capacity calculator, notary fees calculator, amortization charts (Recharts), duration comparator — 9 blog articles, 2 400+ weekly Google impressions.
• 249 unit tests green, Lighthouse 100/100/100/100, TypeScript strict (zero any, zero as), Zod validation at boundaries.
• CI pipeline with Turbo cache: lint + type-check + test + build in parallel — Lighthouse CI, bundle size tracking, changesets.
• Sentry error monitoring with Slack alerts. Automated SEO reports (GSC + Umami → Slack, Mon/Wed/Fri).
• 120+ PRs — solo end-to-end (architecture → design system → dev → SEO → content → monitoring).

Large-scale platform rebuild and modernization for regulated insurance & savings products.

• Owned frontend architecture for a multi-insurer subscription platform for the insurance and savings industry.
• Built subscription flows with GDPR-compliant validation (Zod) and i18n for multiple insurance providers.
• Designed and shipped a design system (25+ Radix UI / Tailwind components) adopted across all products, documented via Storybook.
• Led a team of 4 frontend engineers: structured code reviews, pair programming, and technical standards.
• Built advisor back-offices with RBAC, guardian management, and multi-insurer integrations serving multiple organizations.
• Drove migration from CRA + Redux to Turborepo monorepo, then modernized to Next.js App Router, Server Actions, and tRPC.

Full-stack PWA for co-parents — shared custody calendar, handoff checklists, and extracurricular planning with Neon PostgreSQL, Drizzle ORM, and full CRUD from the UI.

• Born from a real need: co-parenting 2 kids with shared custody — custody calendar based on ISO week parity.
• Full CRUD on Handoff checklists and Extracurricular activities — add, edit, delete directly from the UI.
• Neon PostgreSQL + Drizzle ORM with Next.js API Routes and Zod validation on every endpoint.
• Disney+-inspired dark theme with glassmorphism, teal/purple accents, and env-based family personalization.
• Offline-first PWA installable on iOS/Android — hybrid static + dynamic architecture.
• TypeScript strict: zero any, zero as cast — Zod validation at every API boundary.

AI-powered tool automating PEE/PERCOL collective transfer reports for Generali Épargne Salariale — built solo from scratch.

• Built complete application solo: frontend, authentication, database schema, and document generation.
• Integrated AI to automatically extract company information from uploaded documents (PDF, Excel, images).
• Automated fund mirror generation and export of ready-to-use regulatory documents.

Mental clarity todo app with drag & drop, smart categories, badges, dashboard, REST API for external integrations (ChatGPT, Siri), and offline PWA — Disney+-inspired glassmorphism UI.

• Drag & drop reordering with @dnd-kit (touch + pointer), category pinning via long-press (500ms).
• Secure REST API with SHA-256 hashed Bearer tokens for external integrations (ChatGPT Custom GPT, Siri Shortcuts, Claude).
• Offline-first with IndexedDB fallback and automatic sync when back online.
• Gamification badges system and dashboard with stats and insights.

SaaS platform for fleet management and reservations — cutting-edge stack with role-based access.

• Built complete SaaS with RBAC (admin, boat_manager, boat_captain, boat_owner) and user invitation system.
• Implemented event calendar with day/week/month views using React Big Calendar.
• Cutting-edge stack: Next.js 15, React 19, tRPC 11 with Supabase auth and role-aware queries.

AI-powered offline-first shopping list — type in natural language, Claude or ChatGPT auto-parses items with category, quantity, and notes. Bidirectional sync with PostgreSQL.

• Dual AI provider support (Claude + ChatGPT) with automatic fallback — plus a 600-line rule-based local parser for fully offline usage.
• Offline-first architecture: IndexedDB for instant optimistic UI, background sync to PostgreSQL (30s interval + instant on reconnect).
• 12 French grocery categories with automatic sorting by store section for efficient shopping trips.
• Reusable templates system to save and reload frequently used shopping lists.

Advisor tool to optimize savings/retirement advice: contract analysis, portfolio comparison, offer generation, and meeting-ready exports.

• Owned entire frontend end-to-end: UI/UX design participation, implementation, and production-grade delivery.
• Built reusable component library and maintained strong engineering standards across monorepo.
• Integrated frontend with AI-powered backend engine for automated contract analysis and offer generation.

Recurring bank debits tracker — subscriptions, rent, loans, taxes — with category stats, calendar view, and offline PWA support.

• Dashboard splitting debits into "upcoming" vs "already debited" with real-time monthly totals.
• Calendar view with color-coded debit day indicators and month navigation — auto-filters expired loans.
• Expense breakdown by 9 categories (telecom, housing, streaming, insurance, transport, loan, tax, income, other) with amounts and percentages.
• Supabase Auth (email/password) with route protection middleware and offline-first IndexedDB sync.

Personal React component library — dark purple theme, glassmorphism, type-safe icons, 97 tests, 20+ Storybook stories. Shared across 3 apps via pnpm add.

• 8 components (Card, Typography, Button, Badge, Alert, Icon, BottomNav, Separator) with CVA variant management.
• Type-safe icon system: 55+ Lucide icons with registry pattern and full TypeScript autocomplete.
• Props-over-composition API: Card takes title/description/badge as props instead of nested sub-components.
• 97 unit tests, 20+ interactive Storybook stories, Vite library build (ES + CJS + types).

Online subscription funnel for Salva by Garance: retirement savings plan (PER) with cashback rewards and partner integrations.

• Built complete subscription journey for Salva retirement savings product with regulatory compliance.
• Integrated cashback rewards system with 1000+ partner brands (Decathlon, Airbnb, Cheerz, etc.).
• Delivered mobile-first responsive design with Cagn'Up app integration for seamless user experience.

Advisor portal to manage collective retirement plans (PERO): operations, validations, and company/employee workflows.

• Built complex advisor workflows with strong data integrity and clear step-by-step operations.
• Implemented robust UI patterns for validations, edge cases, and regulated operational constraints.
• Partnered with business stakeholders to translate domain rules into a usable and scalable product.

Customer mobile app for Garance: account management, contract consultation, and regulated insurance operations (risk changes, management changes, redemptions).

• Built complete customer space: account overview, contract details, and document access.
• Implemented regulated operations: risk profile changes, management option changes, partial/total redemptions.
• Delivered consistent UX aligned with web platform while respecting mobile-specific constraints.

Major migration of subscription journeys, customer space, and back-office apps from legacy CRA/Redux to modern Vite + React Query stack.

• Led migration of subscription journeys from CRA + Redux to Vite + React Query for improved performance and DX.
• Rebuilt customer space with modern patterns: server state management, optimistic updates, and better caching.
• Migrated back-office manager tools while ensuring zero downtime and feature parity.

Web3 DeFi platform for tokenized Bitcoin mining — NFT investments with staking rewards.

• Developed ERC-721 smart contracts with ReentrancyGuard and Pausable patterns for secure NFT minting.
• Integrated Chainlink price feeds (ETH/USD oracle) for real-time pricing and multi-payment support.
• Built event-driven architecture syncing blockchain events to Firestore for off-chain data.

Customer self-serve online subscription for life insurance and retirement savings (PER) with regulated UX constraints.

• Designed and delivered end-to-end subscription journeys with mandatory compliance steps (e.g., risk questionnaire).
• Built reusable UI patterns to keep complex regulated flows understandable and maintainable.
• Integrated partner/external APIs while keeping a reliable and testable frontend architecture.

Showcase website and back-office for a culinary production studio — full-stack with reservation management.

• Built showcase website presenting the studio, team, and culinary content catalog.
• Developed back-office CMS for content management and reservation booking system.
• Delivered full-stack solution from database schema to production deployment.

Volunteer-built logistics platform to coordinate donation collection and transport to Ukraine border.

• Shipped core features quickly with a focus on clarity and operational usability.
• Owned end-to-end delivery from data model to UI, with pragmatic trade-offs for speed.
• Collaborated with a small team under time constraints to deliver a working product.

First major platform refonte: subscription journeys, customer space, and back-office manager tools for regulated insurance products.

• Built subscription journeys for life insurance and retirement savings products with regulatory compliance.
• Developed customer space for contract consultation, account management, and document access.
• Implemented back-office manager tools for operations, validations, and customer support workflows.

Influencer marketing platform connecting brands with content creators — full-stack PWA with social media scraping.

• Built complete platform solo: frontend, backend APIs, database design, and deployment pipeline.
• Implemented social media scraping for YouTube, Facebook, and Instagram to aggregate influencer metrics.
• Delivered PWA with campaign management, influencer discovery, and brand collaboration workflows.

Showcase website for a Parisian boutique in Montmartre — WordPress/Elementor.

• Designed and built showcase website for family-owned Parisian boutique.
• Implemented responsive design with product catalog and store information.
• Configured hosting, domain, and ongoing maintenance.