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I'm Grégory Dervyn, a full-stack developer based in Saint-Cyr l'École, France. I specialize in building scalable front-end and back-end applications using React, TypeScript, Node.js, Python, and frameworks like Next.js and Express. I enjoy turning complex requirements into clean, performant user experiences. I thrive in collaborative environments, love writing robust code, and value clear documentation and maintainable architectures. When I'm not coding, I explore UX/UI design, sequence workflows, and optimize for accessibility and performance.…I'm Grégory Dervyn, a full-stack developer based in Saint-Cyr l'École, France. I specialize in building scalable front-end and back-end applications using React, TypeScript, Node.js, Python, and frameworks like Next.js and Express. I enjoy turning complex requirements into clean, performant user experiences. I thrive in collaborative environments, love writing robust code, and value clear documentation and maintainable architectures. When I'm not coding, I explore UX/UI design, sequence workflows, and optimize for accessibility and performance.

Grégory Dervyn

Web Developer, Front-End Developer, Back-End Developer, +2

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I'm Grégory Dervyn, a full-stack developer based in Saint-Cyr l'École, France. I specialize in building scalable front-end and back-end applications using React, TypeScript, Node.js, Python, and frameworks like Next.js and Express. I enjoy turning complex requirements into clean, performant user experiences. I thrive in collaborative environments, love writing robust code, and value clear documentation and maintainable architectures. When I'm not coding, I explore UX/UI design, sequence workflows, and optimize for accessibility and performance.…I'm Grégory Dervyn, a full-stack developer based in Saint-Cyr l'École, France. I specialize in building scalable front-end and back-end applications using React, TypeScript, Node.js, Python, and frameworks like Next.js and Express. I enjoy turning complex requirements into clean, performant user experiences. I thrive in collaborative environments, love writing robust code, and value clear documentation and maintainable architectures. When I'm not coding, I explore UX/UI design, sequence workflows, and optimize for accessibility and performance.

Available to hire

I’m Grégory Dervyn, a full-stack developer based in Saint-Cyr l’École, France. I specialize in building scalable front-end and back-end applications using React, TypeScript, Node.js, Python, and frameworks like Next.js and Express. I enjoy turning complex requirements into clean, performant user experiences.

I thrive in collaborative environments, love writing robust code, and value clear documentation and maintainable architectures. When I’m not coding, I explore UX/UI design, sequence workflows, and optimize for accessibility and performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

French

Fluent

English

Fluent

Work Experience

Frontend Developer at Safeout

April 1, 2025 - Present

Built a two-step NFT transfer flow with modular React architecture; implemented a secure claim process with Fastify, Prisma and PostgreSQL; refactored a large modal into reusable components; added per-page white-label customization with AWS S3 uploads; implemented backend validation with Zod and extended shared TypeScript types; created real-time previews via CSS custom properties and Tailwind; built a dashboard with ownership analytics and advanced Prisma aggregations; integrated Base & Chiliz for on-chain transfers and minting; leveraged Wagmi and Viem for on-chain interactions with robust error handling; authored technical documentation and improved backend stability for multi-tenant setups.

Frontend Developer at Incite Communication

March 1, 2022 - April 1, 2025

Built responsive interfaces (React / Vue) from Figma designs with performance optimizations and reusable UI components; designed and implemented Node.js APIs (Express / Fastify); maintained custom WordPress sites (themes, ACF, performance tuning, security, SEO); delivered UX/UI design work including interactive prototypes and design systems; wrote technical documentation to standardize processes.

Web Developer at MediaKom

January 1, 2021 - March 1, 2022

Front-end development with React and Vue, API integration and performance optimization across multi-framework projects; advanced WordPress integration using Elementor and Divi; UX / UI design via Figma prototypes and lightweight design systems; end-to-end WordPress website creation, deployment, and optimization; contributed to marketing via video production and motion graphics.