Yannick Schetrite

Senior Frontend Engineer — React • TypeScript • Accessibility

Profile

Senior Frontend Engineer with 15+ years of experience building accessible, maintainable, and high-quality web interfaces. Specialized in React, TypeScript, accessibility (WCAG / WAI-ARIA), design systems, complex components, and developer experience. Currently building a product end to end, from design to operations, with the same standards.

Contributes to engineering standards through mentoring, refactoring, and thoughtful collaboration.

Core Expertise

Frontend: React, TypeScript, JavaScript (ESNext), Next.js, React Query / TanStack Query, TanStack Table, React Hook Form

Accessibility & Design Systems: WCAG, WAI-ARIA, semantic HTML, focus management, keyboard navigation

Quality & DX: Jest, Vitest, React Testing Library, Storybook, ESLint, Prettier, Vite, Webpack, CI/CD

Collaboration: Mentoring, async communication, cross-team collaboration

Professional Experience

Boutikaa — Full-Stack Engineer — 2026–present

Built solo a point-of-sale for a French fine-craft consignment boutique, from design to operations. Engineered an auditable Rust backend for the VAT anti-fraud rules and the 2026 e-invoicing mandate: sealed event log, tax-snapshot isolation. Carried accessibility and i18n from the first commit, down to keyboard navigation on a 25k-item virtualized catalog.

Resilience — Senior Frontend Engineer — 2024–2025

Built complex UI components (dynamic tables, multi-step forms). Ensured systematic accessibility integration. Improved reliability, test coverage, and debugging workflows. Mentored developers and contributed to standards.

SumUp — Senior Frontend Engineer — 2021–2023

Contributed to the accessible Design System. Built React/TypeScript interfaces for partner integrations. Led debugging and reproducibility efforts across international teams. Improved UX consistency and maintainability.

Didask — Senior Frontend Developer — 2017–2021

Led the migration to React + TypeScript. Built accessible components. Improved architecture, tooling, and documentation.

Zengularity — Web/UI Engineer — 2015–2017

Implemented complex UI with React/TypeScript. Collaborated with design and backend teams on maintainable features.

Additional Experience — 2011–2015

Extreme Sensio — voyages-sncf.com — OMWAVE
Early roles in frontend/fullstack development.

Education

BTS in Computer Science · GPIB Bachelor (CIEFA Paris) · Professional Baccalaureate MRBT

Languages

Native French · Professional English

ATS keywords(for automated screening tools)

Senior Frontend Engineer, React, TypeScript, JavaScript, Full-Stack Engineer, International Product, Multi-country SaaS, i18n, Localization, RTL, Accessibility, WCAG, WAI-ARIA, Design Systems, Component Libraries, Storybook, Complex UI, Data Tables, Advanced Forms, Frontend Architecture, UI Engineering, Testing, Jest, React Testing Library, Point of Sale, POS, VAT Anti-Fraud Compliance, E-invoicing, Event Sourcing, Audit Trail, List Virtualization, CI/CD, Code Quality, Developer Experience