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Hi, I’m Luis Enrique Ramírez Gassier, a Software Architect and Full Stack Engineer based in Puebla, Mexico. I design and build scalable microservices-based platforms, leading cross-functional teams from requirements to production. With 5+ years of experience, I specialize in end-to-end development, system integration, performance optimization, and DevOps practices. I enjoy turning complex challenges into robust, maintainable solutions and collaborating with stakeholders to drive business value.…Hi, I’m Luis Enrique Ramírez Gassier, a Software Architect and Full Stack Engineer based in Puebla, Mexico. I design and build scalable microservices-based platforms, leading cross-functional teams from requirements to production. With 5+ years of experience, I specialize in end-to-end development, system integration, performance optimization, and DevOps practices. I enjoy turning complex challenges into robust, maintainable solutions and collaborating with stakeholders to drive business value.

Luis Enrique Ramírez Gassier

Full Stack Developer, Web Developer, Back-End Developer, +2

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Hi, I’m Luis Enrique Ramírez Gassier, a Software Architect and Full Stack Engineer based in Puebla, Mexico. I design and build scalable microservices-based platforms, leading cross-functional teams from requirements to production. With 5+ years of experience, I specialize in end-to-end development, system integration, performance optimization, and DevOps practices. I enjoy turning complex challenges into robust, maintainable solutions and collaborating with stakeholders to drive business value.…Hi, I’m Luis Enrique Ramírez Gassier, a Software Architect and Full Stack Engineer based in Puebla, Mexico. I design and build scalable microservices-based platforms, leading cross-functional teams from requirements to production. With 5+ years of experience, I specialize in end-to-end development, system integration, performance optimization, and DevOps practices. I enjoy turning complex challenges into robust, maintainable solutions and collaborating with stakeholders to drive business value.

Available to hire

Hi, I’m Luis Enrique Ramírez Gassier, a Software Architect and Full Stack Engineer based in Puebla, Mexico. I design and build scalable microservices-based platforms, leading cross-functional teams from requirements to production.

With 5+ years of experience, I specialize in end-to-end development, system integration, performance optimization, and DevOps practices. I enjoy turning complex challenges into robust, maintainable solutions and collaborating with stakeholders to drive business value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Italian

Beginner

French

Beginner

Portuguese

Beginner

Work Experience

Software Architect & Full Stack Developer at Merkuria

January 1, 2024 - October 28, 2025

Designed and implemented microservices architecture for scalable full stack platforms, utilizing Flutter for cross-platform mobile interfaces and Deno/Node.js for high-performance backend. Developed complete lead management system with integrated AI chatbot, implementing automatic qualification, intelligent routing, and predictive analytics using vector databases. Led end-to-end development of enterprise asset management application, from architecture design to production deployment with Supabase as backend-as-service. Implemented automated workflows with N8n, integrating multiple APIs and external services to optimize business processes.

Software Architect & Technical Consultant (Freelance) at Independent

August 1, 2019 - October 28, 2025

Designed and implemented complete technology solutions for municipal governments and private companies, managing entire development cycle from requirements to production. Architected invitation management system with 3D venue creator for Puebla Municipal Government, integrating Meta API for automated notifications. Developed citizen service platform with scalable architecture, handling 10,000+ daily requests with response times < 200ms. Implemented medical records management system complying with U.S. government security standards, featuring end-to-end encryption and complete access auditing. Built cross-platform sports platform with integrated marketplace, payment system (Stripe), real-time chat, and social network features. Designed electoral system with interactive dashboards, polygon-based georeferenced mapping, and real-time data analysis. Developed CRM solution with WhatsApp Business API integration, AI sentiment analysis, and customer behavior prediction.

IT Security Engineer at Volkswagen de México

August 31, 2023 - August 31, 2023

Led comprehensive audit of Information Security Management System (ISMS), ensuring ISO 27001 compliance. Designed and developed automated system for intern verification, optimizing the process by 70% and reducing manual errors. Implemented improvements to application penetration testing procedures, documenting vulnerabilities and overseeing remediation. Managed security measures tables, risk analysis, and comprehensive vulnerability management. Coordinated multidisciplinary team for ISMS audit, maintaining direct communication with CISO.

Software Engineer & Project Lead at Instituto Tecnológico de Puebla

January 31, 2023 - January 31, 2023

Architected and developed academic evaluation web application using Angular and Firebase, implementing scalable and secure architecture. Led team of 2 developers applying SCRUM methodology, delivering project 2 weeks ahead of schedule. Implemented complete CRUD system with user roles (administrator, department head, teachers) and robust data validation. Developed complex algorithms for data validation and error prevention, improving user experience. Managed complete development cycle: requirements analysis, design, implementation, automated testing, and production deployment.

Software Engineer & Project Manager at Uxen

June 30, 2022 - June 30, 2022

Developed complete electoral application in 2 months collaborating with 7-person development team, coordinating frontend and backend. Designed and implemented REST and SOAP APIs for multiple system integration, optimizing performance and scalability. Architected optimized SQL and NoSQL databases for handling large information volumes. Managed deployments on AWS and Azure, implementing DevOps best practices and continuous monitoring. Integrated payment gateways (Mercado Pago, Stripe) and Google Maps APIs across multiple projects.