Freelancers using Next.js in Lomas de ZamoraFreelancers using Next.js in Lomas de Zamora
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Esteban Santiago's avatar
Esteban Santiago
Buenos Aires, Argentina
Web designer and developer in NextJS. From design to code
1x
Hired
5.0
Rating
2
Followers
Web designer and developer in NextJS. From design to code
Cover image for IZI Premium Website Design and Development
IZI Premium Website Design and Development
1
6
Cover image for Landing Page Website for Proyectos Mara
Landing Page Website for Proyectos Mara
0
10
Cover image for Web Design and Development for The Best Level
Web Design and Development for The Best Level
0
7
Cover image for Social Media Web-App Development for THSpian
Social Media Web-App Development for THSpian
0
10
Next.js(3)
Brenda Freitas's avatar
Brenda Freitas
proBuenos Aires, Argentina
Translator
Translator
Cover image for RevalidaMed AI is a comprehensive
RevalidaMed AI is a comprehensive medical education platform designed to help students prepare for the Revalida exam and excel throughout medical school. It combines an intelligent study planner, spaced repetition flashcards, an extensive medical library, question banks, AI-powered summaries, interactive clinical cases, and an AI Virtual Patient simulator in a single learning environment. The platform continuously analyzes your learning progress, identifies knowledge gaps, and personalizes your study plan using evidence-based learning techniques to maximize retention and long-term performance. With real-time analytics, productivity tools, and adaptive learning powered by Atena AI, RevalidaMed AI delivers a personalized educational experience that supports students from the pre-clinical years through clinical rotations, licensing exams, and medical residency preparation. Built with a modern, intuitive interface, RevalidaMed AI serves as a complete digital study companion—helping future physicians learn more efficiently, think clinically, and achieve academic success.
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4
Cover image for Developed a modern AI-powered web
Developed a modern AI-powered web platform that enables users to generate, customize, and deploy production-ready websites through natural language prompts. The application features a responsive interface, visual editor, project dashboard, reusable templates, authentication, and an AI-assisted workflow that accelerates website creation while maintaining clean, scalable code. The platform focuses on improving developer productivity and simplifying web application development for businesses and creators.
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13
Cover image for Hair & Skin Clinic Website
Hair & Skin Clinic Website Development Designed and developed a modern, responsive website for a hair and skin clinic, focused on creating a professional online presence and improving the patient experience. The project included a custom interface, mobile-first design, service pages, appointment call-to-actions, WhatsApp integration, optimized navigation, and performance improvements. The website was built to showcase treatments, build credibility, and make it easy for potential patients to learn about the clinic and book consultations. Technologies & Features: Responsive Web Design HTML, CSS, JavaScript & React Modern UI/UX Service Pages WhatsApp Integration Appointment Booking CTA Performance Optimization SEO-Friendly Structure Mobile Optimization
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45
Cover image for This automation centralizes customer interactions
This automation centralizes customer interactions from WhatsApp, Instagram Direct Messages, and Email, processes every incoming message through a single workflow, eliminates duplicates, stores all conversations, and uses AI to generate intelligent responses and qualify leads automatically. Workflow Overview 1. Multi-channel message reception Receives messages from WhatsApp, Instagram DM, and Email through dedicated webhooks. Standardizes the data from every channel into a common format. 2. Data normalization Extracts essential information such as: Customer name Phone number or email Message content Source channel Timestamp Converts all channels into a unified structure for processing. 3. Duplicate detection Checks whether the same event has already been processed. Prevents duplicate records and repeated AI responses. 4. Contact validation Searches the CRM/database to verify whether the contact already exists. Creates a new contact automatically if it doesn't. 5. Conversation history Saves every received message in the database. Maintains a complete conversation timeline for future interactions. 6. AI-powered analysis Uses OpenAI to: Understand the customer's intent. Classify the lead. Generate contextual and personalized responses. Detect interest in products or services. Identify urgent requests or sales opportunities. 7. CRM update Updates customer information automatically. Records interaction history. Keeps lead status synchronized. Main Features ✅ Multi-channel support (WhatsApp, Instagram & Email) ✅ Automatic lead qualification ✅ Duplicate message detection ✅ Contact creation and management ✅ Conversation history storage ✅ AI-generated personalized responses ✅ Automatic CRM synchronization ✅ Scalable workflow for businesses of any size Benefits 24/7 automated customer support Faster response times Increased lead conversion Reduced manual work Centralized customer communication Better organization of customer data Consistent AI-powered conversations Improved sales and support efficiency This automation is ideal for businesses that receive inquiries from multiple communication channels and want to automate lead qualification, customer service, and CRM management while providing fast, personalized responses through artificial intelligence.
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18
Next.js(3)
Ciro 's avatar
Ciro
Buenos Aires, Argentina
Go to sleep, may your sweet dreams come true...
267
Followers
Go to sleep, may your sweet dreams come true...
Cover image for Kabuki Theatre Website
Kabuki Theatre Website
3
8
Cover image for Heritage Soil Station: A NZ Website
Heritage Soil Station: A NZ Website
5
14
Cover image for Folktales Around the World: Full-Stack Web App/Website
Folktales Around the World: Full-Stack Web App/Website
6
14
Cover image for Explore 'Gardens of the World': Interactive Web App Showcase
Gardens of the World: Full-Stack Web App I've always enjoyed gardens, and gardening too. There's this quote by Audrey Hepburn that says: “To plant a garden is to believe in tomorrow.". And, honestly, her 90s series has been such a great inspiration for this project. This Web App consists of four sections: Home, Gardens, Tips, and Seasons. I've included 9 popular gardens, from the UK to Mexico. If you click on a garden, you'll get a pop-up with some interesting facts about it. I'll leave you this video of the Seasons section. By pressing the button corresponding to a season, the background of the section changes color, along with the information. You can read the details here (https://contra.com/p/MFYcqO6q-gardens-of-the-world-full-stack-web-app?referralExperimentNid=DEFAULT_REFERRAL_PROGRAM&referrerUsername=ciro_8_390dd5gp).
9
9
418
Next.js(7)
Juan ignacio Veltri's avatar
Juan ignacio Veltri
Caseros, Argentina
Senior Full Stack Engineer · Next.js · React Native · Expo
New to Contra
Senior Full Stack Engineer · Next.js · React Native · Expo
Cover image for Sitio web premium para TMS
Sitio web premium para TMS Construcciones, empresa constructora argentina con más de 30 años de experiencia en el Alto Valle de Río Negro y Neuquén (región impulsada por Vaca Muerta). Showcase de 6 proyectos activos de desarrollo inmobiliario residencial y comercial, con renders 3D, animaciones fluidas, video hero y soporte bilingüe ES/EN. Construido con Next.js + TypeScript, animaciones con Framer Motion + GSAP, renders 3D con Three.js, internacionalización con next-intl. Stack frontend-first con foco en performance, SEO y experiencia visual de alto nivel.
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2
111
Cover image for Be Pawly es una plataforma
Be Pawly es una plataforma todo-en-uno para mascotas que usa inteligencia artificial para reunir mascotas perdidas con sus familias. El algoritmo analiza fotos, ubicación y características para encontrar coincidencias entre reportes de mascotas perdidas y encontradas, con notificaciones en tiempo real cuando hay un match. También conecta refugios verificados con adoptantes y permite difundir búsquedas en redes sociales. Stack: Next.js, TypeScript, Drizzle ORM, Google Vertex AI, Clerk, Pusher.
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1
103
Cover image for Polopage es la plataforma digital
Polopage es la plataforma digital del polo mundial. Reúne en un solo lugar el directorio global de jugadores con handicap, país y club; el ecosistema de servicios del deporte (caballos, herreros, veterinarios, talabartería, clubes, transporte); noticias del polo internacional; y una comunidad activa con chat en vivo y surveys con recompensa. Construido con Next.js + TypeScript, optimizado para SEO multi-idioma (ES/EN), con datos de jugadores top como Adolfo Cambiaso, Facundo Pieres y la familia Castagnola.
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86
Cover image for Barrial es una plataforma social-commerce
Barrial es una plataforma social-commerce para barrios privados que conecta residentes con comercios locales. Incluye feed algorítmico, reviews, stories, anuncios, QR de visitas y un sistema de mascotas perdidas. Construido como monorepo Turborepo con apps nativas iOS/Android (Expo) + web (Next.js), tRPC end-to-end type-safe, Prisma + Postgres (Neon), autenticación con Clerk + Better-Auth, almacenamiento en AWS S3, observability con Sentry y push notifications nativas + web.
1
69
Next.js(5)
Lucas Mujica's avatar
Lucas Mujica
proBuenos Aires, Argentina
Webflow Certified Expert | CMS, GSAP & Automation
$1k+
Earned
2x
Hired
5.0
Rating
8
Followers
Webflow Certified Expert | CMS, GSAP & Automation
Cover image for Lucas Mujica Personal Portfolio
Lucas Mujica Personal Portfolio
0
11
Cover image for Custom-Coded Website for Home Organizers LI
Custom-Coded Website for Home Organizers LI
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5
Cover image for True North Jerseys E-commerce Storefront
True North Jerseys E-commerce Storefront
0
2
Cover image for Bike | UX/UI Design & Webflow Dev
Bike | UX/UI Design & Webflow Dev
0
9
Next.js(1)
SDA Product Studio's avatar
SDA Product Studio
proBuenos Aires, Argentina
Designing & building digital products that drive growth.
61
Followers
Designing & building digital products that drive growth.
Cover image for 🚛 AI Fleet Safety & Dashcam Analytics Platform
🚛 AI Fleet Safety & Dashcam Analytics Platform
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6
Cover image for 🧠 Mental Health Platform Performance Recovery
🧠 Mental Health Platform Performance Recovery
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1
Cover image for 🎵 On-Demand Music Request Platform
🎵 On-Demand Music Request Platform
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1
Cover image for ✈️ Aviation Marketplace & Engine Trading Platform
✈️ Aviation Marketplace & Engine Trading Platform
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0
Next.js(1)
Gaston Chevarria's avatar
Gaston Chevarria
Buenos Aires, Argentina
AI Automation Expert | n8n, Make, WhatsApp AI & AI Agents
New to Contra
AI Automation Expert | n8n, Make, WhatsApp AI & AI Agents
Cover image for Elite Web Solutions — Full-Service
Elite Web Solutions — Full-Service Digital Growth & Web Development Elite Web Solutions is a full-service digital growth and web development studio focused on helping businesses build a strong online presence and generate measurable results. I lead the technical side of the operation: designing and developing modern websites, landing pages, and automation workflows that connect marketing, CRM, and business processes into one cohesive system. The work includes custom web development, API integrations, performance optimization, and scalable infrastructure so clients can grow without worrying about their tech stack.
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19
Cover image for AI Systems Architect & Automation
AI Systems Architect & Automation Engineer building production-grade AI agents, conversational bots, and business automation pipelines for LATAM and global clients. With 10+ years of experience, I specialize in eliminating manual work through intelligent systems — from WhatsApp/Telegram AI chatbots with CRM integration to autonomous lead generation engines that prospect, qualify, and deploy personalized web experiences on-demand. Current roles: BI & AI Solutions Lead at Cognizant (Google) — architecting BI ecosystems and driving AI-driven digital transformation Founder of InnovasHub — an AI-powered B2B SaaS platform that turns static product images into 4K cinematic video commercials using Google Veo 3.1 and Gemini 3 What I build: AI agents for email/WhatsApp marketing automation Lead generation & scoring engines (NVIDIA NIM, multi-model fallback) n8n & Make workflow templates for sales, marketing, and operations WhatsApp & Telegram chatbots with smart human escalation Autonomous B2B outreach systems that generate and deploy websites automatically AI marketing automation pipelines with approval queues and CRM sync Tech stack: Python · Node.js · TypeScript · React 19 · FastAPI · n8n · Make · Google Gemini · Claude · NVIDIA NIM · Vercel · GCP · Docker · PM2 Trusted by: Google · Mercado Libre · LATAM enterprises
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31
Cover image for Mesa Llena — Websites and
Mesa Llena — Websites and WhatsApp Automation for Restaurants Mesa Llena is a productized service that builds conversion-focused websites and automated WhatsApp systems for restaurants across Argentina. It helps restaurant owners get more reservations and orders 24/7, even when the staff is offline. I designed and developed the full solution: the website, the reservation flow, and the WhatsApp automation that sends menus, answers common questions, and handles bookings automatically. The goal is to turn WhatsApp from a manual chat into a scalable reservations engine, so restaurants can grow without hiring extra front-desk staff.
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Cover image for Atlantik AI — AI Consultation
Atlantik AI — AI Consultation Agency Type: SaaS/AI Service Business Description: Building an AI consultation agency targeting USA and LATAM markets, delivering custom AI agents, automation workflows, and LLM integrations for clients Tech: Python, Node.js, Gemini/Claude APIs, Google Cloud Platform, Docker Results: Mention any clients, revenue, or pilot projects
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18
Next.js(2)