- Developed a data model visualization tool using D3.js library and Python, improving data accessibility for users. Automated content generation using Python, Netezza and Hive, supported by shell/batch scripts, which reduced manual effort by 80%.- Designed and implemented a real-time metrics web tool using Python and JavaScript, enabling real-time monitoring and reporting.- Created a Proof of Concept (PoC) for a SQL translation tool using Java, which successfully demonstrated faster SQL query processing.- Implemented automated testing using Selenium, AWS SDK, Maven and Java for Data Migration and Data Cataloging applications, improving test coverage by 80% and reducing testing time by 70%.- Analyzed, enhanced and tested an application used to transfer and formatting data using manual and automated testing, improving data accuracy.- Led the migration of the Enterprise Data Cataloging application from AWS 1.0 with Bitbucket and Jenkins to AWS 2.0 with GitLab and Terraform, resulting on a more secure, redundant, and cost-efficient application. Allowing to optimize the delivery process with the ability to achieve seamless one-click deployments, and giving more autonomy to the development team.- Automated the AWS S3 Inventory process which was done manually on local desktops to use AWS EMR, AWS Lambda, Spark, and Python, eliminating manual intervention and saving over 40 hours of work per cycle and local resources.- Enhanced the AWS S3 Inventory reports by excluding unnecessary datasets and providing the ability to run specific datasets only, reducing the processing load by 2 million records per run and counting; also, enabled user to have the flexibility to selectively run datasets on-demand basis, cutting execution time from hours to just minutes, increasing process efficiency by 75%.Technologies: Java EE 8, Python, Spark, Hadoop, JavaScript, JQuery, AJAX, Hive, Netezza, Amazon Web Services (AWS), Selenium, JUnit, Maven, Web Services, Git, postgreSQL.

- Collaborated with clients to define application problems and evaluate procedures, streamlining workflows and improving process efficiency.- Designed and evaluated alternative workflows, reducing processing time and improving project turnaround.- Managed solution development by setting specifications and coordinating production with programmers, delivering projects on time and reducing development bottlenecks.- Trained client personnel and provided ongoing support, resulting in a better client satisfaction rate and reducing post-implementation errors.- Led project development and analysis, successfully delivering 3+ key projects ahead of deadlines, increasing client retention.- Authored comprehensive project documentation, improving team efficiency through better cross-team knowledge sharing.Tools: Java EE 8, Spring, JavaScript, JQuery, PHP, AJAX, ZK, MySQL, PHP web services, Git.

- Developed a B2B e-commerce site for a pharmaceutical distributor and health care IT company, helping to increase online sales.- Developed in Hybris modules, customizations and AddOns. This development included Data Access Objects, services infrastructure, facades, DTOs, Controllers, and JSP views, improving system performance and reducing page load times.- Strong familiarity with Flexible Search querying and ImpEx data file development to optimize data import and retrieval and decreasing query time.Tools: Java EE 8, Hybris 6, JSP, Spring, JavaScript, JQuery, Kendo, AJAX, Impex files, Oracle RDBMS, Git.

- Analyzed and developed requirements, maintenance, optimizations, and projects for modules used by BanRegio to service its branches and customers, improving customer service efficiency.- Optimized interbank processes managed by CECOBAN, reducing transaction time.- Support for adjustments and corrections to bugs in ExtJS framework with Java and Spring for backend, improving system stability.- Developed the project for the Host to Host service contract, oriented to companies with high transaction values.- Contributed to the creation of dual chip cards (two cards in one), enhancing card functionality and user convenience.Tools: Java EE 6, Sybase, ExtJS, Spring MVC, and PostgreSQL.

- Managed VMware virtual servers including creation, modification, removal, and optimization, increasing data center performance.- Developed PowerShell scripts for VMware PowerCLI and managed HP Physical servers, reducing manual effort by 85%.Tools: vSphere, vCenter, ESXi, VMware, HP Servers, PowerShell.

- Developed stored procedures for SQL Server and queries in ORACLE SQL Developer, improving data processing efficiency.- Created queries in ORACLE SQL Developer.- Created user manuals, enhancing user understanding and system usability.Tools: Oracle SQL Developer, and SQL Server.

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