Freelance Frontend Engineers in MadridFreelance Frontend Engineers in Madrid
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Berckan Guerrero's avatar
Berckan Guerrero
maxMadrid, Spain
Senior Full-stack AI Engineer. 14+ years building web stuff.
$25k+
Earned
7x
Hired
5.0
Rating
17
Followers
Senior Full-stack AI Engineer. 14+ years building web stuff.
Cover image for LOVEDIS: B2B partnership platform connecting
LOVEDIS: B2B partnership platform connecting startups with enterprise organizations for collaborative innovation challenges in Germany. 140+ dynamic Storyblok components with 166 CMS schemas, all built from a multi-layered Figma design system with pixel-perfect implementation. Automated Figma-to-code workflow with schema synchronization scripts and asset upload pipelines. Anime.js parallax scroll effects and smooth page transitions. Full German/English localization with content-managed multilingual routing. Nuxt 4, Vue 3, Storyblok, TypeScript. Zero hardcoded content: every text, image, and layout variation is editable from the CMS. Delivered at Yumeda Studio.
1
779
Cover image for Partspace: B2B SaaS marketing website
Partspace: B2B SaaS marketing website for an AI-powered procurement platform. 100+ reusable Storyblok components with 166 CMS schemas, giving the marketing team full editorial control without developer involvement. Real-time commodity pricing dashboards pulling live data from the FRED API (Federal Reserve Economic Data). Strict Content Security Policy with enterprise-grade security headers. Full English/German localization with 8 dynamic sitemap variants. Rive animations for interactive product demos. Dockerized development environment. Nuxt 4, Vue 3, Storyblok, TypeScript. LCP improved from 32.3s to 2.0s on desktop. Cookiebot/GTM consent management for GDPR compliance. Built at Yumeda Studio.
1
332
Cover image for Pulso (https://heypulso.com): Marketing and sales
Pulso (https://heypulso.com): Marketing and sales website for a web health monitoring service targeting small businesses in Latin America and Europe. Astro 5 static site with Stripe integration (EUR, USD, CLP), geolocation-based currency detection, and Resend API for transactional emails. Trilingual (ES/EN/FR). Four user flows in one site: email campaign recipients see personalized context, organic visitors get a free check CTA, salespeople share payment links, self-service users browse pricing and buy. Contact form via Resend API. Conditional hero based on referral source. 6 pricing tiers from free reports to monthly maintenance. Tone calibrated for Latin American SMBs. Stripe for subscriptions and one-time payments. Currency auto-switches via visitor geolocation.
1
1.5K
Cover image for Pulso (https://heypulso.com): Prospect intelligence platform
Pulso (https://heypulso.com): Prospect intelligence platform that scans 28,000+ websites, scores them across 15 health metrics, and manages outreach from discovery to conversion. Scanner engine audits domains: SSL, performance, security headers, vulnerabilities, malware detection, SEO, accessibility. Each domain scores out of 100. Operations dashboard with prospect tables, inline notes, contact popovers, archiving, AI-generated outreach emails, and detail panels with color-coded health breakdowns. Role-based auth. Automated outreach generates custom reports per prospect via API with actual scores and recommendations. 14 years of web maintenance and optimization went into the scoring logic. Every check reflects real patterns found across hundreds of sites. 40,000+ domains. 15 metrics. Sub-second queries. Under €5/month infra.
1
1.5K
Frontend Engineer(2)
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 Frontend engineering Upword AI
Frontend engineering Upword AI
0
7
Cover image for Trellia full stack engineering
Trellia full stack engineering
0
10
Cover image for Webflow development Bond Sports
Webflow development Bond Sports
0
25
Cover image for Pile Website
Pile Website
0
4
Frontend Engineer(4)
Sebastiaan Wiechers's avatar
Sebastiaan Wiechers
Madrid, Spain
Data Engineering & Fullstack Expert 🚀
Data Engineering & Fullstack Expert 🚀
Cover image for Retrieval Augmented Generation (RAG) LLM Chatbot
Retrieval Augmented Generation (RAG) LLM Chatbot
0
12
Cover image for Development of an AI-powered product configurator
Development of an AI-powered product configurator
0
8
Cover image for Development of a custom ETL solution
Development of a custom ETL solution
0
6
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Frontend Engineer(2)
Andrii Iudchenko's avatar
Andrii Iudchenko
Spain
Certified Shopify Plus Developer | React | Hydrogen | Remix
Certified Shopify Plus Developer | React | Hydrogen | Remix
Cover image for Chery Style
Chery Style
0
3
Cover image for Purcari Wines
Purcari Wines
0
5
Cover image for Factorylux
Factorylux
0
12
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Frontend Engineer(3)
Gonzalo Franco's avatar
Gonzalo Franco
Spain
Software Engineer: Building Awesome Webs Apps & Products
Software Engineer: Building Awesome Webs Apps & Products
Cover image for Lead Engineer, eth-roulette.com
Lead Engineer, eth-roulette.com
0
7
Cover image for CTO, OpenBroker.com
CTO, OpenBroker.com
0
14
Cover image for CTO, Subletny.com
CTO, Subletny.com
0
16
Cover image for Product Manager, Full-stack Engineer, CleanHero
Product Manager, Full-stack Engineer, CleanHero
0
7
Frontend Engineer(1)
Gustavo Jimenez's avatar
Gustavo Jimenez
Madrid, Spain
Web Dev & PM: User Experience Guru
Web Dev & PM: User Experience Guru
Cover image for viajeselcorteingles.es
viajeselcorteingles.es
0
4
Cover image for Kerastase&Boots
Kerastase&Boots
0
3
Cover image for Fusio-Dose
Fusio-Dose
0
7
Cover image for LotesOnline.es
LotesOnline.es
0
1
Frontend Engineer(4)
Matthew Ortega's avatar
Matthew Ortega
Spain
UX/UI design & code, design systems, design tokens
FRAMER_EXPERT

expert

UX/UI design & code, design systems, design tokens
Cover image for Equi
Equi
0
53
Cover image for Form & Void
Form & Void
0
25
Cover image for Verizon Media Immersive
Verizon Media Immersive
0
13
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Frontend Engineer(1)