Career Profile
Full Stack Developer with over 15 years of experience designing, building, and modernizing web and mobile applications. My background spans from creating high-performance e-commerce platforms with PHP and Magento to modernizing legacy systems into microservice architectures with Java (Spring Boot) and Ruby on Rails. I round out my profile with cross-platform mobile development using Flutter, demonstrating a passion for problem-solving and continuous technological adaptation.
Experiences
- After an intensive hands-on training period on a microservices stack (Spring Boot, Kafka, OracleDB, React), I integrated into the development team for a leading client in the payroll processing sector.
- Developed and maintained microservices using Java Spring Boot, establishing and optimizing asynchronous communication pathways via Kafka to enhance the scalability and resilience of the system.
- Contributed to the modernization of the service architecture by migrating legacy SOAP endpoints to a RESTful API, significantly improving maintainability and simplifying future integrations.
- Implemented an intermediate caching layer with MongoDB to optimize critical data loading, drastically reducing response times and load on the primary database.
- Enhanced application security by implementing a user impersonation system with Auth0 and refactoring access control layers.
- Utilized Feature Flags to enable decoupled deployments and A/B testing, minimizing risk during production releases.
- Architected and developed key components of a new microservices-based platform using Ruby on Rails, replacing a legacy ColdFusion monolith to create a scalable, headless solution integrated with BigCommerce.
- Drove a major refactoring effort to decouple core components and eliminate code duplication, significantly improving the long-term maintainability and development velocity of the new Rails codebase.
- Engineered the new platform to significantly outperform the previous monolith, implementing robust caching systems and optimizing database queries to handle high-traffic loads without performance degradation.
- Designed and implemented a resilient data synchronization pipeline between the Rails application and BigCommerce, using Terraform on AWS to ensure data consistency and prevent data loss.
- Rapidly mastered a complex legacy ColdFusion environment, progressing from zero prior experience to becoming the subject-matter expert responsible for refactoring the platform’s most critical modules.
- Took ownership of a business-critical POS payment system (AngularJS, ColdFusion, Swift WebView) plagued by high failure rates; re-architected the core payment logic and implemented robust error handling, resulting in a 95% reduction in critical payment processing errors.
- Led key modernization and integration projects, including implementing Avalara for real-time tax calculation, adding new payment methods with enhanced 3DS2 support, and executing the critical Auth0 migration from legacy Hooks to Actions across the entire service ecosystem.
- Developed and maintained features across a complex, distributed e-commerce platform, including the core ColdFusion backend, AngularJS frontend, public APIs, and separate fulfillment and internal messaging services.
- Enhanced developer productivity by improving an internal Node.js CLI for direct database access and creating a dedicated debugger for the ColdFusion application, significantly speeding up testing and debugging cycles for the team.
- Developed an internal chatbot using React and TypeScript that integrated with the Office 365 ecosystem, allowing non-technical users to easily query and interact with SharePoint data through a conversational interface.
- Built and maintained a suite of internal CLI tools using Node.js to automate and streamline developer workflows, providing a simple and powerful interface for interacting with various company APIs and services.
- Led a complete infrastructure overhaul for a Magento 2 platform struggling with performance on a constrained, on-premise server; designed and executed a containerization strategy using Docker, deploying Varnish, Redis, and Elasticsearch to maximize stability and handle high concurrency.
- Drove application-level performance gains by refactoring core Magento data-loading mechanisms and building a custom, high-performance import solution to manage a complex product catalog with a large number of attributes.
- Guided the development of a dual-frontend system to provide tailored experiences for B2C and B2B customer segments, and led the integration of Stripe for payments and Avalara for tax automation.
- Oversaw and implemented the necessary adjustments to the payment processing workflow to ensure the platform met PCI compliance standards, securing customer data and reducing business risk.
- Architected and launched a hybrid Flutter application to extend a Magento e-commerce platform to mobile, featuring a custom native menu that directly interacted with the web content and segmented push notifications to drive user engagement.
- Led end-to-end development and optimization for diverse clients, specializing in e-commerce solutions (Magento 1.x) and custom web applications (Zend Framework, CakePHP).
- Engineered and implemented custom Magento modules for enhanced product management, category organization, and personalized user experiences (e.g., favorites functionality).
- Integrated various payment gateways and customized checkout flows to improve conversion rates and streamline the purchasing process for clients like A Tailored Space, Buy4Give, Chedraui, and Shop601.
- Significantly improved website performance and user experience by implementing caching solutions (Varnish, Redis) and optimizing Magento’s internal logic to reduce data retrieval overhead.
- Developed robust web applications using Zend Framework for clients such as BIFOC and BBVA Argentina, including custom integrations from scratch and implementing promotional and activation campaigns via SMS for BBVA.
- Contributed to a cloud services platform using CakePHP for SwissCloud, developing custom modules for inventory and user management, demonstrating adaptability across different PHP frameworks.
- Provided comprehensive support including Magento 1.x to 2.x migration planning, performance tuning, and security enhancements, ensuring stable and efficient operations for small businesses and agencies.
- Successfully led critical data and custom module migrations from Magento 1 to Magento 2, ensuring data integrity and minimal downtime for clients.
- Developed and implemented tailored features and complex custom modules that significantly improved operational efficiency and user experience on Magento 2 platforms.
- Designed and established automated deployment pipelines, streamlining development workflows and accelerating feature delivery.
- Integrated essential third-party APIs, including Google, OnFleet, and Shipping Easy, to enhance platform functionality and connectivity.
- Consistently delivered robust Magento 2 solutions, resulting in improved system stability and reduced post-migration issues.
- Designed and implemented custom PHP libraries for Magento and contributed to the development of the proprietary Erdiko PHP framework, enhancing code reusability and accelerating development cycles.
- Developed and optimized Magento modules, improving core e-commerce functionalities and user experience for clients like Charming Charlie (Magento 1.9).
- Maintained and enhanced Drupal 7-based websites, including Kitchfix and wheretowatch.com, ensuring platform stability and performance.
- Streamlined deployment processes by implementing CI-friendly automation, significantly reducing deployment errors and improving release efficiency.
- Contributed to both Magento 1 and Magento 2 projects, demonstrating versatility across different versions of the platform.
- Contributed to the development and optimization of over 35 Magento websites, including e-commerce platforms for Gerber Childrenswear, Just Born, Stoelting Co, AccuQuilt, AccuCut, BuyCoolNow, Garrett Wade, SubaruPartsForYou, Workstage, WorkwearUSA, Eyetique, JCSMOKE, Sounds True, and Ybuy.
- Significantly improved page load times and overall site performance through extensive optimization efforts, resulting in enhanced user experience and conversion rates.
- Executed numerous Magento 1 store upgrades, ensuring seamless transitions and minimal disruption to business operations.
- Restored and secured compromised systems, implementing robust security measures to protect sensitive data and maintain site integrity.
- Implemented and managed CI/CD pipelines, streamlining development workflows and accelerating deployment cycles.
- Developed and maintained custom applications using Laravel (NutriQuest, COABE, Express Logistics, HVAC.com), PHP Custom (Onepak), Canvas (Pictwo), and WordPress (DocuCents, GuideAdvisor).
- Delivered seamless API integrations with various platforms, including Walmart, Twilio, and Amazon MWS, enhancing system interoperability and data exchange.
- Upgraded and maintained Magento 1 platforms for a diverse portfolio of clients, including Carter Lumber, Conair, Coolshoes (Abbadabba’s), Fastenation, Harry Barker, KontrolFreek, Lowcountry, Mara Hoffman, Previnex, and Sid Mashburn.
- Developed and enhanced custom Magento modules, delivering tailored functionalities that met specific client requirements and improved overall platform utility.
- Optimized page load performance for selected client stores, achieving significant reductions in load times (up to 30% on performance-focused implementations) through targeted optimizations.
- Ensured smooth post-deployment operations by delivering robust and well-tested module solutions with minimal issues.
- Contributed to projects in a part-time capacity, demonstrating effective time management and ability to deliver high-quality results within flexible work arrangements.
- Architected and maintained the central data hub for a globally distributed, headless Magento e-commerce platform (
Cinsay), synchronizing core data such as products, stock, and users. - Developed custom APIs to provide the client with administrative functionalities not available in the standard Magento backend, enabling tailored management of the headless system.
- Recognized for exceptional efficiency in resolving production issues, which led to the creation and leadership of a new “Rapid Development” team dedicated to implementing quick features and managing bug fixes across the project.
- Engineered a proxy solution between Joomla and Zend Framework for
Cines Showcaseto facilitate a gradual, atomic migration of the legacy platform. - Developed new, isolated components within the proxy architecture, ensuring compatibility and preventing conflicts while progressively migrating core functionalities to the new Zend-based system.
- Delivered a seamless user experience during the transition, successfully modernizing the platform’s backend without interrupting critical services like movie listings and ticket information.
- Specialized in performance optimization for high-traffic Magento stores such as
Prune,Rodo,Alestebrand, andCabrales, focusing on code refactoring and advanced caching with Varnish. - Led the implementation and customization of payment gateways, including
PrismaandMercado Pago, across multiple e-commerce sites. - Designed and developed custom logic for merchandise returns and implemented enhanced fraud verification systems, improving security and operational efficiency for clients.
- Co-architected and developed “Hydra,” a modular, custom-built PHP framework from scratch to standardize and accelerate the creation of marketing campaigns for
Unilever. - The framework featured a core “head” with pluggable “tentacle” modules for common campaign needs like landing pages, submission forms, contests, and prize management.
- Utilized Hydra to deliver multiple successful promotional sites for top Unilever brands (e.g., Knorr, Sedal), significantly reducing development time and ensuring a consistent, high-quality structure.
- Contributed to the design and development of a multi-tenant tourism site builder, with the initial flagship project being
Viaja por Madryn. - Engineered a modular platform in PHP that allowed different types of tourism businesses (transport agencies, tour operators, activity providers) to create and manage their own presence.
- Delivered a reusable and scalable solution that served as the foundation for multiple tourism portals in the Argentine Patagonia, gaining key experience in modular architecture and theming.
Certifications
Official certification validating deep expertise in Magento development, customization, and architecture.
Certification for partners demonstrating proficiency in implementing and customizing Magento 2 solutions.
Covers the principles of microservices architecture, service communication, and deployment strategies.
In-depth training on Magento 2 development, covering customization, module creation, and performance optimization.
Covers fundamental Java concepts, including object-oriented programming, data structures, and basic algorithms.
Comprehensive course on Ruby on Rails, covering MVC architecture, RESTful APIs, and database management.
Introduction to security best practices across the entire software development lifecycle.
Focuses on identifying and mitigating the most common and critical web application security risks.
Full-stack mobile development course on Flutter and Dart, focusing on UI design, state management, and backend integration.
Personal Projects
AI-Powered Automation & Tooling
- Actively researching and implementing solutions with Large Language Models (LLMs), including proof-of-concept applications using Retrieval-Augmented Generation (RAG) to interact with custom knowledge bases.
Open Source Contributions
I believe in the power of open source and enjoy contributing to the community. Here is a key project I have open-sourced.
Configurable Flutter Starter Kit
- A highly configurable Flutter starter kit on GitHub (using GetX), providing a complete foundation for new apps with customizable authentication, onboarding, and theming to accelerate development.
Publications
I enjoy writing about technology and sharing my experiences with the community. Here are some of my articles on Medium.
Recommendations
Mauricio is a highly skilled developer with deep expertise in multiple technologies. His adaptability and leadership make him a valuable asset to any team.
Carlos Cavalcanti
Senior Software Engineer (Ruby on Rails | AWS | SQL)
Mauricio’s problem-solving abilities and technical knowledge are outstanding. He consistently delivers high-quality solutions and supports his team effectively.
Dario Alejandro Diaz
QA Engineer
Mauricio is an experienced professional who shares knowledge with patience and enthusiasm. A great leader and team player.
Natalia Settimi
Product Designer
Mauricio has been a tremendous value to my team and collaborated well with others. His skills and work ethic showed every week. Highly recommended!
Jennifer Tello
Senior Consultant at Slalom
Mauricio is hardworking, highly skilled, and always available to answer questions. A great asset to any team.
Dijana Hodzic
Government and Public Services Consultant at Deloitte