Freelance Software Architects in LeganésFreelance Software Architects in Leganés
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Esteban Aleart Salas's avatar
Esteban Aleart Salas
pro
Madrid, Spain
Full Stack Dev & SaaS Architect, scalable B2B platforms.
New to Contra
Full Stack Dev & SaaS Architect, scalable B2B platforms.
Cover image for I designed and developed the
I designed and developed the La Carolina website, utilizing technologies such as Next.js and React. The website is responsive and features a modern and minimalist user interface. I implemented a gallery of images and a contact form for visitors to send messages to the company. Skills demonstrated * Development of web applications with Next.js and React * Design of modern and minimalist user interfaces * Implementation of image galleries and contact forms * Deployment of websites on Vercel -- Results * A modern and attractive website that clearly and concisely presents the company and its services. * A responsive website that adapts to different devices and screen sizes. * A contact form that allows visitors to send messages to the company in a easy and secure way.
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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.
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Cover image for Lyons One is a web‑based
Lyons One is a web‑based CRM built for managing leads in an educational platform headquartered in Uruguay. The project focuses on streamlining lead capture, tracking, and conversion processes through intuitive admin tools and clear performance metrics. Key features include: Lead registration and segmentation by source, interest, and status Conversion pipeline visualization Lead search, filter, and activity tracking Analytics to improve lead generation and follow‑up strategies Technologies used: Next.js, React, Node.js, PostgreSQL, Tailwind CSS My role encompassed full‑stack architecture design, frontend and backend development, implementation of real‑time data features, and deployment.
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Cover image for Nakama (wearenkm.com (http://wearenkm.com)) es un
Nakama (wearenkm.com (http://wearenkm.com)) es un ecosistema de consultoría y desarrollo enfocado en la creación de productos digitales escalables. Trabajamos con startups y empresas en crecimiento para diseñar, construir y evolucionar plataformas web, SaaS y soluciones basadas en inteligencia artificial. Nuestro enfoque combina desarrollo full stack (JavaScript, React, Next.js), arquitectura de sistemas e integración de tecnologías modernas como APIs, automatización y modelos de IA (embeddings, RAG), permitiendo transformar ideas en productos sólidos y preparados para crecer. Más que desarrollo, en Nakama aportamos visión técnica y de producto, ayudando a tomar decisiones estratégicas que eviten deuda técnica y aseguren escalabilidad a largo plazo.
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Software Architect(3)
Jorge Cañete's avatar
Jorge Cañete
Madrid, Spain
Enterprise Systems Integration & Automation Engineer
New to Contra
Enterprise Systems Integration & Automation Engineer
Cover image for EDI Integration in SAP and
EDI Integration in SAP and .NET App
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Cover image for Enterprise Backend Architecture Design (.NET
Enterprise Backend Architecture Design (.NET & Azure)
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Cover image for IoT data flow with Visual
IoT data flow with Visual Components
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Software Architect(2)
Pedro Vale Ramos's avatar
Pedro Vale Ramos
Leganés, Spain
Mobile and web engineer working with React-Native and native
Mobile and web engineer working with React-Native and native
Cover image for Turisgalicia - Travel Guide App
Turisgalicia - Travel Guide App
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Cover image for Popcomp - Android app to challenge sport mates
Popcomp - Android app to challenge sport mates
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Cover image for Opositatest - Test platform to study for opposition exams
Opositatest - Test platform to study for opposition exams
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Software Architect(1)