Freelancers using Node.js in Madrid

Freelancers using Node.js in MadridFreelancers using Node.js in Madrid

Projects People

Esteban Aleart Salas

Full Stack Dev & SaaS Architect, scalable B2B platforms.

New to Contra

Full Stack Dev & SaaS Architect, scalable B2B platforms.

Cover image for Parabola is a no-code automation

Parabola is a no-code automation platform that allows users to create custom workflows and automate tasks without requiring extensive coding knowledge. The platform provides a visual interface for designing workflows, integrating with various apps and services, and automating tasks. Key Features: * No-code workflow automation * Visual interface for designing workflows * Integration with various apps and services * Customizable workflows * Automation of repetitive tasks

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Cover image for Real Estate Demo

* Admin Panel: the

Real Estate Demo * Admin Panel: the website offers an admin panel to manage properties, including creating, editing, and deleting properties. * Property Management: allows for managing properties, including assigning categories, subcategories, and tags. * Property Details: each property has a details page that includes information such as: + Description + Images + Features (bedrooms, bathrooms, square footage, etc.) + Location (map and address) + Price and currency * Filters and Search: the website offers filters and search functionality to find properties by category, location, price, etc. * Responsive Design: the website has a responsive design, which means it adapts to different screen sizes and devices.

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Cover image for the best coverage among multiple

the best coverage among multiple insurance providers. It offers: Price and coverage comparison for different types of insurance (basic, third-party comprehensive, full coverage) Personalized support and digital policy delivery Various payment methods (credit card, bank transfer, local payment services) Additional services such as legal assistance and roadside assistance The platform makes it easy for drivers to select the option that best fits their vehicle and needs.

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Cover image for Pair Programming – Boutique Tech

Pair Programming – Boutique Tech Consultancy Pair Programming is a boutique technology consultancy specializing in designing and developing scalable digital platforms for SaaS and B2B. I lead technical architecture, product design, API integration, data dashboards, and real-time solutions. Our approach focuses on maintainable, high-performance systems aligned with business objectives and long-term growth. Technologies used: Next.js, React, Node.js, PostgreSQL, Socket.io (http://Socket.io), Chart.js, OpenStreetMap/Leaflet.

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Roman Rodomansky

Product Full-Cycle Developer with Entrepreneurial Mindset

Product Full-Cycle Developer with Entrepreneurial Mindset

Cover image for 🇺🇸 Smart Home mobile app raised 1M on Kickstarter

🇺🇸 Smart Home mobile app raised 1M on Kickstarter

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Cover image for 🇩🇪 GeoHealthApp - The 1st Virus Tracing App

🇩🇪 GeoHealthApp - The 1st Virus Tracing App

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Cover image for 🇪🇺 E-commerce Wix Website (flowers boutique)

🇪🇺 E-commerce Wix Website (flowers boutique)

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Cover image for 🇬🇧 Capitalise - An Award Winning Investment Platform

🇬🇧 Capitalise - An Award Winning Investment Platform

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Gustavo Jimenez

Web Dev & PM: User Experience Guru

Web Dev & PM: User Experience Guru

Cover image for LotesOnline.es

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Cover image for viajeselcorteingles.es

viajeselcorteingles.es

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Cover image for Fusio-Dose

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Cover image for Kerastase&Boots

Kerastase&Boots

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Nikita Beznosikov

Full-Stack Engineer · SaaS · Node.js / React / TypeScript

5.0: Rating

3: Followers

Full-Stack Engineer · SaaS · Node.js / React / TypeScript

Cover image for Pay-per-use video testimonial SaaS. Businesses

Pay-per-use video testimonial SaaS. Businesses collect text reviews for free and pay per video testimonial via a credit system — no subscriptions. Features include browser-based video recording, embeddable widget with masonry layout, Stripe payments, credit metering via Cloudflare Stream analytics, signed video URLs for hotlink protection, and a dashboard for approving/rejecting submissions. Built with Next.js, Supabase (PostgreSQL), Cloudflare Stream, Stripe.

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Cover image for Shopify app for EU Digital

Shopify app for EU Digital Product Passport (DPP) compliance. Merchants can create and manage product passports with QR codes, print labels, bulk edit via CSV, and use AI to auto-fill passport fields from existing product data. Built with Remix, React, Node.js, Prisma, and Shopify GraphQL API.

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Cover image for Built and owned the entire

Built and owned the entire technical stack for a US e-commerce platform generating $1M/mo revenue. Developed custom Next.js storefront, checkout, and CMS admin panel from scratch. Integrated Stripe, Braintree, PayPal, Apple Pay, and Google Pay. Implemented fraud protection, automated chargeback handling via Visa CDRN, server-side tracking (FB CAPI, Google Ads), and BigQuery analytics pipeline.

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Cover image for AI-powered language flashcard app for

AI-powered language flashcard app for iOS. Users describe any theme ("Coffee and tea", "Driving exam") and the app instantly generates a custom deck via Google Gemini. Features a progressive 3-level vocabulary system (beginner → intermediate → advanced) with mastery-based unlocking, SM-2/FSRS spaced repetition with Again/Hard/Good/Easy ratings, offline-first SQLite storage, bilingual audio examples, smart daily reminders, and a freemium model (RevenueCat) gating unlimited decks and advanced levels. Built with React Native (Expo), TypeScript, SQLite, Supabase, Google Gemini, RevenueCat.

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Custom Web Solutions: From Concept to Code

Custom Web Solutions: From Concept to Code

Cover image for Sibucán

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Cover image for Truckbays

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Cover image for SwagUp

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Cover image for Trincico

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Web designer

Web designer

Cover image for Shotzio

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Cover image for NoteJour - Open Source Free Journal App

NoteJour - Open Source Free Journal App

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Cover image for Mythos Gym

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Adrián González

Fullstack Developer: Consulting & Coding Expert

Fullstack Developer: Consulting & Coding Expert

Cover image for Questions and Answares platform

Questions and Answares platform

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Cover image for mini plaform using next and supabase

mini plaform using next and supabase

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