Euroclear Client

Spearheaded the migration of a legacy solution, modernizing its architecture to improve scalability, performance, and maintainability. Designed and developed high-level (HLTD) and detailed technical design (DTD) documents to recreate and optimize environments for complex projects. Mentored and collaborated closely with developers, advocating for unit testing and agile best practices. Coordinated cross-functional teams, including Azure DevOps, development, infrastructure, and testing, to ensure seamless integration and project success. Integrated systems such as IBM DB2, IBM MQ Messaging, Splunk, and ServiceNow.

YPTO/SNCB Client

Created comprehensive technical documentation, including low-level designs (DTDs), to guide developers in implementing and optimizing solutions for complex projects. Designed technical architectures for microservices using technologies such as Azure Kubernetes Service (AKS), Azure Web Apps, and tools like Azure DevOps and Jira within an agile Scrum framework. Collaborated closely with Enterprise Architects, Technical Architects, Functional Analysts, and development teams specializing in Java and .NET to ensure technical and functional alignment for project success. Played a key role in defining and executing agile workflows, ensuring project objectives were achieved within deadlines and quality standards. Integrated systems such as IBM DB2, IBM MQ Messaging, Oracle Database, and SQL Server.

Directed the migration and deployment of cloud services, crafting scalable and optimized solutions in Microsoft Azure. Designed, developed, and deployed microservices and solutions in Azure, utilizing Azure DevOps to ensure automation and efficiency across development cycles. Conducted cost analysis and optimization for Azure services, improving resource utilization and operational efficiency. Contributed to the definition of technical architectures and proposals for critical projects at Avanade, ensuring alignment with business goals. Integrated systems such as Azure Service Bus, Azure Functions, IoT, SQL Server, Azure Event Hubs, and Azure Event Grid. Developed and implemented Robotic Process Automation (RPA) solutions using tools like Blue Prism, Automation Anywhere, and UiPath, enhancing efficiency and minimizing errors in repetitive tasks. Produced internal technical documentation and trained teams in technologies such as Ansible, Sitecore, and UiPath, encouraging adoption and effective use

Managed a large-scale international project (Contiki) involving teams in London, India, and Spain, migrating an existing Rails solution to Sitecore CMS while integrating multiple external services such as Salesforce, CartoDB, Feefo, and SendGrid. Established Continuous Integration pipelines using TeamCity and Octopus Deploy within an agile Scrum framework (2-week sprints). Leveraged technologies like C# 5.0, MVC 4.0, IIS, SQL Server, MongoDB, and Elasticsearch for backend development, alongside HTML5, CSS3, and jQuery for the frontend. Utilized tools including GitHub, Jira, Slack, NUnit, SpecFlow, Gherkin, and Visual Studio 2015. Architected and managed the Sitecore solution, overseeing updates, environment configurations, and the development of custom modules tailored to specific client requirements. Provided technical leadership to enhance platform performance by defining scalable, secure, and integrated solutions. Delivered seamless integrations with services such as Salesforce and SendGrid, ensuring reliability and efficiency. Collaborated closely with QA, DevOps, frontend/backend developers, designers, and clients, aligning technical objectives and maintaining exceptional quality standards. Conducted code reviews, facilitated technical workshops, and championed best practices across the development team.

Directed the development and optimization of SiViEs, a nationwide disease surveillance and control system for the Carlos III Health Institute, with a focus on enhancing performance, scalability, and reliability. Recommended architectural improvements to boost application responsiveness and efficiency. Automated load and stress testing using Visual Studio Test Suite and Visual Studio Ultimate, while designing integration tests with Watin. Supervised the migration from .NET Framework 3.0 to .NET Framework 4.5, ensuring compatibility and significant performance gains. Enhanced SQL Server 2012 performance by optimizing data types, eliminating unused indexes, and introducing improved indexing strategies. Transitioned critical application components from Linq to SQL to Entity Framework (EF) for better data handling and scalability. Implemented Hangfire to offload intensive CSV file upload tasks from the web server, preparing the system for future task isolation on dedicated servers.

Oversaw the optimization of environments and development of web solutions for an international university, prioritizing performance, security, and scalability. Designed and implemented Development, Preproduction, and Production environments to ensure stability and reliability. Configured virtual environments and showcased solutions such as web server load balancing, SQL Server clusters, and source control management. Created a survey application using Classic ASP and DDD+D principles, serving as a foundation for future .NET implementations, and developed a responsive, SEO- and SEM-optimized web application for landing pages and email marketing campaigns. Conducted thorough security testing and resolved vulnerabilities in Classic ASP legacy code, significantly improving the student access portal’s security. Optimized database performance, achieving a 30% efficiency improvement in applications. Designed and launched the university’s official social network using Joomla and JomSocial, tailored to institutional needs with responsive design and web service-based authentication. Migrated and updated web content to Joomla 3.0, ensuring compatibility with modern versions. Delivered training sessions on tools and technologies such as Visual Studio 2010/2012, SVN, SQL Server, MVC, design patterns, and code refactoring. Facilitated development meetings and problem-solving sessions with teams in Madrid, Logroño, and Bolivia.

Designed and developed a C# Windows application for factory terminals, enabling operators to monitor machine performance through integration with the company’s ERP system via web services and leveraging ClickOnce for seamless deployment. Contributed to enhancing the ERP inventory module by optimizing pallet storage in warehouses using ASP.NET 2.0, AJAX, and Oracle database integration. Implemented Bidi barcode scanning functionality and developed customized reports with Crystal Reports. Directed the migration of the ERP system to .NET Framework 4.0, utilizing Visual Studio 2010, ensuring compatibility with modern technologies and improving system performance.

Designed and implemented an internal development framework featuring an optimized data access layer, centralized validation for enterprise applications, and custom graphical controls, such as RadGrid, with multilingual support and advanced search capabilities, utilizing Visual Studio 2008 and SQL Server 2008. Led a training dissemination project by designing the database and handling layout tasks for a CCOO application developed using ASP.NET 2.0 and SQL Server 2005. Contributed to the development and improvement of key modules, including enhancing shopping cart functionality, resolving issues in the product catalog, and implementing user experience improvements for the product details page on the Adolfo Domínguez Online Store.

Developed an extranet for managing and controlling damages in insurance claims using PHP and MySQL, streamlining the analysis and reporting process to enhance real-time decision-making. Empowered end-users to manage claims centrally with features for evaluation and tracking and conducted the analysis and design of a risk analysis tool for Repsol using Visual Basic .NET 2003 and SQL Server 2005, introducing new features and optimizing existing ones to improve the efficiency of the risk valuation process and its integration with other systems. Ensured continuous evolution and maintenance by adapting the application to meet new business requirements and technological advancements.

Developed a VB.NET solution for managing on-hold invoices in Oracle, automating and streamlining the workflow using stored procedures (SPs) and packages. Led the migration from AS/400 to Oracle, optimizing performance and reducing processing times in invoice management for Pfizer.

Defined technology strategies and led requirements gathering for key projects, ensuring proposed solutions were aligned with client needs and best technological practices. Directed R&D efforts for new .NET technologies, evaluating tools and solutions to improve system performance and efficiency. Contributed to the creation of detailed project reports, providing solutions to optimize development and implementation processes.

Managed SQL Server 2000 and 2005 database servers, ensuring high availability, performance, and security. Administered websites on IIS 5.0 and 6.0, overseeing the management and maintenance of web applications to guarantee optimal performance and availability.