Javier Ortiz

Experience

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  ILÍBERI Software & Geografía

  Mar 2007 - Jul 2007

  Visual .NET and PHP Internship

  • Assisted in developing a PHP application for a rural house letting website.• Contributed to building a Visual .NET application for managing customer information at a driving school.

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  Caser

  Aug 2010 - Jul 2013

  Junior Software Developer

  • Migrated outdated JSP systems to dynamic Flex interfaces, effectively enhancing user experience and functionality for partner companies and service providers.• Implemented new features, including multi-recipient email capabilities.• Enhanced backend functionalities using Java to support the new front-end interfaces.

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  Deloitte

  Feb 2014 - Sept 2018

  • Designed and implemented a new Spring web application for issuing and renewing excise gaming licenses, integrating with different taxation systems.• Developed REST API, verifying new vehicle registrations monthly for Disabilities scheme, by implementing complex business logic. • Resolved over 2000 live application and database issues, minimizing disruption by swiftly troubleshooting.• Conducted thorough analysis of customer issues and logs, driving requirements planning and identifying areas for enhancement.• Developed robust automation scripts to streamline critical tasks encompassing issue resolution, health monitoring, and data archiving, significantly enhancing operational efficiency.

  • Java Software Developer

    Apr 2017 - Sept 2018

  • Java Consultant

    Feb 2014 - Apr 2017
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  Deloitte

  Sept 2019 - Jan 2023

  Senior Solutions Engineer

  • Recognized as a go-to expert for the Online Services of the Revenue Commissioners, contributing to strategic decisions both in the design of new applications and in the improvement of the functionality and reliability of critical applications used by over 4 million clients.• Worked across diverse system architectures, from legacy EJB-based systems to Microservices and Spring Boot applications within Docker containers.• Consistently applied SOLID principles to all design and development processes, resulting in maintainable, scalable, and robust solutions.• Led the coordination of various teams including testing and release, ensuring the successful delivery of stable products.• Collaborated directly with business users to understand and gather detailed requirements. Provided accurate timelines after careful analysis and estimation of the necessary efforts and resources.• Distributed tasks, delegating responsibilities based on team members' strengths and expertise.• Worked closely with cross-functional teams, including developers, testers, networks, operations and product managers, to deliver seamless application updates and new features.• Identified and resolved security flaws in adherence to OWASP standards.• Reviewed implementations of peers and integrated changes following a continuous integration/continuous delivery approach with the help of automation tools such as Jenkins.• Provided mentorship to new team members, guiding them in their career paths. Show less