Freelancers using JavaScript in SpainFreelancers using JavaScript in Spain
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Tomi Scattini's avatar
Tomi Scattini
Granada, Spain
Full Stack Developer
$5k+
Earned
4x
Hired
5.0
Rating
81
Followers
TOP_INDEPENDENT

Top

Full Stack Developer
Cover image for Sabrina Polanco | Design Studio
Sabrina Polanco | Design Studio
3
160
Cover image for Itakhi | Digital Atelier
Itakhi | Digital Atelier
0
39
Cover image for Tu Arreglo Coral
Tu Arreglo Coral
0
10
Cover image for Personal Portfolio
Personal Portfolio
0
31
JavaScript(9)
Eliane Castelar's avatar
Eliane Castelar
proBarcelona, Spain
Front-end developer & artist crafting stunning sites
$10k+
Earned
3x
Hired
5.0
Rating
37
Followers
Front-end developer & artist crafting stunning sites
Cover image for Custom WordPress Website with Interactive Features
Custom WordPress Website with Interactive Features
1
1
Cover image for Solar Ray Corp Website Development
Solar Ray Corp Website Development
1
26
Cover image for Landing Page for Photographer
Landing Page for Photographer
1
15
Cover image for Custom Landing Page for Artist & DJ
Custom Landing Page for Artist & DJ
0
10
JavaScript(5)
Daniel Nagy's avatar
Daniel Nagy
proLas Palmas de Gran Canaria, Spain
Webflow Developer with Marketing Skills
$1k+
Earned
1x
Hired
5.0
Rating
5
Followers
Webflow Developer with Marketing Skills
Cover image for Lena Blos: Webflow Site with Animations
Lena Blos: Webflow Site with Animations
1
2
Cover image for The Irish Anchor: Responsive Webflow Site with Animations
The Irish Anchor: Responsive Webflow Site with Animations
1
1
Cover image for Webflow Website with Custom Animations
Webflow Website with Custom Animations
1
1
Cover image for Pokedex: Full-Stack Web App
Pokedex: Full-Stack Web App
1
0
JavaScript(6)
Matias Fourcade's avatar
Matias Fourcade
proSpain
Full Stack Web Engineer & UI/UX Designer
1x
Hired
6
Followers
Full Stack Web Engineer & UI/UX Designer
Cover image for Web design and webflow development
Web design and webflow development
0
16
Cover image for Webflow development Bond Sports
Webflow development Bond Sports
0
25
Cover image for Pile Website
Pile Website
0
4
Cover image for Eliance Website
Eliance Website
0
9
JavaScript(5)
Iryna Koval's avatar
Iryna Koval
Donostia-San Sebastian, Spain
✨ Creative Developer ✨ WebGl ✨ Three.js ✨ AI integration
New to Contra
✨ Creative Developer ✨ WebGl ✨ Three.js ✨ AI integration
Cover image for VyzFlow - Music Visualization
VyzFlow - Music Visualization Web App VyzFlow transforms audio into real-time 3D visual art — exportable as MP4 for social, YouTube, or broadcast. Built solo from concept to production. Live at vyzflow.com (http://vyzflow.com). What's inside: WebGL shader background (simplex noise + mouse reactivity) 6 animated preset cards — raw WebGL contexts, custom GLSL fragment shaders per mood (Void, Bloom, Neon, Organic, Minimal, Particles) Web Audio API — real-time bass/mid/treble analysis 3D particle sphere (5000 points) that reacts to the music Geometry morphing — 5 shapes (sphere → cube → torus → icosahedron → torus knot) with GPU mix() interpolation MP4 export via OffscreenRenderer + MediaRecorder + mp4-muxer — portrait, landscape, square Supabase auth + export logging + admin panel Cloudflare Turnstile bot protection PWA + mobile-responsive Email lead capture before export Stack: Vite · Three.js · GLSL (vite-plugin-glsl) · Web Audio API · Supabase · Vercel · mp4-muxer URL: https://vyzflow.com (https://vyzflow.com)Want to help with development? Welcome)
0
33
Cover image for Follow the White Rabbit —
Follow the White Rabbit — AI Tarot Oracle Web App A full-stack WebGL + AI tarot experience with user accounts, gamification, and n8n automation. Built from scratch. Follow the White Rabbit is a production-grade interactive web application I designed and built end-to-end — from concept to live deployment. It's an AI-powered tarot oracle that combines WebGL visuals, real-time AI card readings, user authentication, a gamification system, and automated workflows. Not a template. Not a no-code tool. Every line written from scratch. What it does Users arrive to an animated WebGL scene, authenticate via Google, and receive personalized AI tarot readings. Each reading is generated in real time by an AI model, tailored to the user's birth data, name, and chosen question. A gamification layer rewards daily engagement with Oracle Carrots — a virtual currency earned through consistency. Users build a personal profile ("The Blueprint") with numerology, life path numbers, and astrological ascendant. Technical stack Frontend: Vanilla JS + WebGL (Three.js), GSAP animations, custom CSS Backend: Supabase (PostgreSQL database + Google Auth) AI: LLM model — real-time reading generation Automation: n8n workflows for user events and notifications Deploy: Vercel (custom domain, instant CI/CD) What makes it complex This isn't a landing page with a particle effect. It's a full product: WebGL rabbit character with animated states (idle, loading, reveal) Real-time AI integration — each reading is unique, context-aware, personalized Supabase database storing reading history, carrot balance, user profiles Google OAuth authentication flow Gamification logic — streak tracking, daily limits, carrot economy Numerology engine — calculates Life Path, Expression, Soul Urge numbers from birth data Responsive + rotation lock — landscape-only mode with animated prompt Sound design — ambient audio with mute toggle Privacy Policy, Terms of Service, Refund Policy — production-ready legal pages Timeline & scope Solo build. Concept → live product in 8 weeks. Live project 🔗 followthewhiterabbit.cards (http://followthewhiterabbit.cards)
0
93
Cover image for PULSE — AI Analytics SaaS
PULSE — AI Analytics SaaS Landing Page A concept landing page for an AI-powered analytics platform built with Three.js, GSAP, and Vite. The hero features a 2,000-particle WebGL sphere with real-time mouse parallax. As the user scrolls, a smaller particle ball detaches from the hero and travels across sections — shifting color, dissolving into a background halo under the pricing cards, then reassembling. Built on a separate overlay renderer with a static camera and viewport-fraction coordinates to keep positioning pixel-perfect across all screen sizes. Stack: Three.js · GSAP ScrollTrigger · Vite · Vanilla JS
0
111
Cover image for Just shipped a product site
Just shipped a product site for Pauline's — a Ukrainian manufacturer of natural massage candles. The goal: make the product feel tangible through the screen. What's inside: — Realistic fire and smoke built with a particle shader. Each flame is alive, flickering with its own physics — An oil drop that's born at the candle tip and migrates all the way down the page as you scroll. Getting a smooth sphere-to-teardrop morph without visual seams meant digging into SDF math (signed distance functions). Worth every hour. — 15 scents as interactive 3D lid cards — Oil composition, properties, and care tips Stack: Three.js + GSAP ScrollTrigger + Canvas 2D + Vite → Vercel https://massage.paulinescandle.com/ #WebGL (https://www.linkedin.com/search/results/all/?keywords=%23webgl&origin=HASH_TAG_FROM_FEED) #ThreeJS (https://www.linkedin.com/search/results/all/?keywords=%23threejs&origin=HASH_TAG_FROM_FEED) #GSAP (https://www.linkedin.com/search/results/all/?keywords=%23gsap&origin=HASH_TAG_FROM_FEED) #CreativeCoding (https://www.linkedin.com/search/results/all/?keywords=%23creativecoding&origin=HASH_TAG_FROM_FEED) #Frontend (https://www.linkedin.com/search/results/all/?keywords=%23frontend&origin=HASH_TAG_FROM_FEED)
0
112
JavaScript(5)
Esteban Aleart Salas's avatar
Esteban Aleart Salas
Madrid, Spain
Full Stack Dev & SaaS Architect, scalable B2B platforms.
New to Contra
Full Stack Dev & SaaS Architect, scalable B2B platforms.
Cover image for DoctorCar is a workshop management platform
DoctorCar is a workshop management platform that offers tools to manage and organize the work of mechanics, as well as manage the relationship with customers. * Workshop Management: allows management and organization of mechanics' work, including task assignment and progress tracking. * Customer Management: allows management of customer relationships, including the creation of customer profiles, tracking of repair history, and invoicing. * Inventory Management: allows management of spare parts and materials inventory, including stock updates and order management. * Reporting and Analysis: allows generation of reports and analysis on workshop performance, including mechanic productivity and service profitability.
0
31
Cover image for Zweifel Capital is a financial
Zweifel Capital is a financial services website developed to present investment strategies, institutional services, and market insights for client engagement and brand positioning. The platform focuses on clarity, trust, and responsive delivery across devices, helping visitors access key information efficiently. Designed and developed a responsive and user-centric interface with clean navigation. Built scalable front-end components, optimized for performance and accessibility. Structured content to reinforce brand credibility and professional positioning. Integrated dynamic sections for insights, services, and contact workflows. Delivered well-documented, maintainable code with clear architectural patterns. Tech stack highlights: Next.js / React, responsive design, performance optimization, modern UI/UX standards.
0
51
Cover image for TicketXEvent is a web platform
TicketXEvent is a web platform for event ticketing designed to streamline the discovery, purchase, and management of event tickets. The system allows users to browse upcoming events, view details and complete secure purchases with a seamless, user-friendly experience. Designed and implemented a responsive frontend interface with intuitive navigation and interactions. Built a scalable backend to handle event data, user authentication, and transaction processing. Integrated secure payment workflows and order management systems. Ensured performance optimization and maintainability through clean architecture and modular code. Delivered well-documented, production-ready code suitable for continuous enhancements. Tech stack highlights: React/Next.js, Node.js, API integrations, responsive design, secure transaction flows.
0
53
Cover image for Mi Seguro de Moto is
Mi Seguro de Moto is a motorcycle insurance quotation and management service in Argentina designed to help riders find the best coverage at competitive prices from multiple insurance providers. The platform offers: Price and coverage comparison for different types of motorcycle insurance Personalized support and digital policy issuance Various payment options (credit card, bank transfer, local payment services) Additional services such as roadside assistance and legal support The service makes it easy for riders to select the insurance solution that best fits their bike, budget, and protection needs.
0
65
JavaScript(11)