Freelancer profile translated to English.
Back to original languageAbout Hans
Trusted by: Givenchy, Coca-Cola, AKQA, Akaru, Mashvp, Sephora, Filorga...
Awards: Awwwards, FWA, CSS Design Awards.
Fullstack Developer with a strong specialization in Creative Development, I operate at the intersection of technical performance and visual elegance.
✨ For Creative Agencies: High-End & Immersion
I support studios and agencies in creating unique web solutions:
- Creative Coding: Three.js / WebGL for immersive 3D experiences.
- Advanced Animation: Micro-interactions / Complex sequences in native code or GSAP.
- Front-end: High-fidelity integration respecting your most demanding design guidelines.
⚙️ For Large Corporations & Scale-ups: Performance & Architecture
For long-term projects, I bring an engineering perspective focused on code quality and robustness:
- AI-Assisted Development: I integrate AI into development workflows to enhance speed, quality, and reliability. I use Claude Code and Cursor daily.
- Performance & Core Web Vitals: Critical optimization of loading times and rendering (SSR/SSG).
- Modern Stack: React / Next and Vue / Nuxt for robust and maintainable applications.
🎯 What I Can Bring to Your Projects
- Technical Audit & Consulting
- Architecture for websites, online stores, and web apps (Headless / CMS / Composable / Front-end)
- Creative Development
- Complex Feature Development
- Deployment and Setup
👨💻 Technical Skills
Code
- Typescript, Javascript, HTML, CSS
- React.js, Next.js, Vue.js, Nuxt.js
- Tailwind CSS, design systems, CSS
- Three.js, GSAP, WebGL
- Storybook, ESLint
- REST / GraphQL APIs
- Unit, Integration & End-to-End Testing
- Deployment & CI/CD
CMS
- Headless: Storyblok / Sanity / Strapi
- Traditional: Shopify / Wordpress (custom themes)
AI & Advanced Tools
- Claude Code
- Cursor
- Antigravity
🌐 hanszengler.com
French
Native or bilingual
English
Native or bilingual
Can work on-site
Toulouse (up to 50km), Paris (up to 50km)
Experience
- FreelanceCreative Front-end DeveloperDIGITAL AND ITJune 2019 - Today (7 years and 2 months)Toulouse, FranceSpecializing in websites with strong visual identities, I support prestige brands and international agencies through two modes of collaboration: long-term on-site assignments or ultra-creative fixed-price projects. In both cases, my goal remains the same: to deliver robust code without ever sacrificing the finesse of interaction.Clients: Givenchy, Coca-Cola, AKQA, Akaru, Filorga, Sephora, Mashvp...––––––––––––––––––––––––––––––––––––––––––––––Specialized in websites with strong visual identities, I assist prestige brands and international agencies through two collaboration modes:long-term freelance assignments, or ultra-creative fixed-price projects.In both cases, my goal remains the same: to deliver robust code without ever sacrificing the finesse of interactions.Clients: Givenchy, Coca-Cola, AKQA, Akaru, Filorga, Sephora, Mashvp...
- MashvpFront-end DeveloperDIGITAL AND ITJanuary 2017 - May 2019 (2 years and 4 months)Toulouse, FranceFront-end Developer at a multi-award-winning agency specializing in immersive digital experiences:
- E-commerce & Brand Sites: Designing comprehensive architectures for showcase websites (WordPress) and e-shops (Shopify) with strong visual identities.
- Creative Excellence: Working in close collaboration with Art Directors to ensure absolute design fidelity and premium finesse of interaction.
- Recognition: Active participation in developing projects honored by the web's highest standards: Awwwards, FWA, and CSS Design Awards.
––––––––––––––––––––––––––––––––––––––Front-end Developer at a multi-award-winning agency, specializing in creating immersive digital experiences:- E-commerce & Brand Sites: Designing complete architectures for showcase websites (WordPress) and e-shops (Shopify) with strong visual identities.
- Creative Excellence: Close collaboration with Art Directors to ensure absolute design fidelity and premium interaction finesse.
- Recognition: Active participation in developing projects awarded by the highest web authorities: Awwwards, FWA, and CSS Design Awards.
- NanokwantFront-end DeveloperDIGITAL AND ITFebruary 2016 - January 2017 (11 months)Toulouse, FranceHybrid role at the heart of the company’s digital strategy, operating across the entire creative workflow:
- UI Design: Interface design for various web and application projects.
- Print Design: Graphic layout for strategic tender documents.
- Development: Website integration and custom web application development.
––––––––––––––––––––––––––––––––––––––––––––––––––––Hybrid role at the core of the company's digital strategy, involved in the entire creative workflow:- UI Design: Interface design for various web and application projects.
- Print Design: Graphic layout for bid documents.
- Development: Website integration and custom web application development.
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Education
- DUT in Multimedia and Internet ProfessionsUniversité Paul Sabatier (Toulouse III)20162ème de promotion
- Scientific BaccalaureateLycée Bossuet2014Mention Très Bien
Certifications
- Innovative web design in Figmaawwwards.2025