George Maggessy

Software Development Director [CAAD - Oracle Health AI]

Oracle

Oct 2025 - Current (10 months)

Director [Technical Architecture - Fusion Apps]

Oracle

Apr 2020 - Oct 2025 (5 years 7 months)

* Directed globally distributed engineering teams across the US, Brazil, Canada, and India, driving the definition and adoption of UI standards and best practices for Oracle SaaS products, while leading the architecture of scalable, shared distributed systems. * Championed engineering excellence by delivering scalable, organization-wide solutions to enforce coding best practices, including the development and rollout of custom auditing tools. * Established quality gates and testing strategies across UI and backend services, ensuring consistency, performance, and reliability in the development lifecycle of Oracle SaaS applications. * Architected and led the development of a critical OCI-based platform service responsible for serving the fron

Senior Applications Architect [Oracle Design Engineering]

Oracle

Mar 2019 - Apr 2020 (1 year 2 months)

* UI Architect within the Oracle Design Engineering (ODE) team, which defines company-wide system design standards for Oracle SaaS applications. * Architected and built reusable, common UI components to ensure consistency, scalability, and efficiency across Oracle’s enterprise product suite. * Led the team responsible for DevOps, project infrastructure, and the development and maintenance of page templates used across multiple Oracle SaaS offerings.

Architect [Mobile Cloud Service / Bots]

Oracle

Oct 2017 - Mar 2019 (1 year 6 months)

* UI Architect at Oracle Digital Assistant, responsible for shaping front-end strategy and innovation initiatives. * Architected and developed Augmented Reality and Computer Vision prototypes for Oracle Mobile Cloud Service (MCS), exploring emerging technologies for enhanced user experiences. * Built a backend system for object recognition using TensorFlow, along with a multi-platform mobile Object Scanner app capable of scanning items up to 5 feet tall. The app also supported rendering AR assets hosted on Oracle infrastructure.

Senior Staff Software Engineer (FrontEnd / Mobile)

Medallia

May 2016 - Oct 2017 (1 year 6 months)

* Contributed to the creation of Medallia’s component library using Angular 1.5, promoting UI consistency and reusability across projects. * Served as technical lead for the Open Admin Front-End team, providing guidance on best practices, performance, and maintainability. * Led front-end development for Medallia's Open Admin Suite, driving key UI architecture and implementation. * Transitioned to the Medallia Mobile team and contributed to the development of the Medallia Customer Experience app using React Native, helping to expand platform accessibility and significantly enhance the mobile user experience.

UI Technologies Architect (Oracle Marketing Cloud)

Oracle

Jan 2016 - Apr 2016 (4 months)

* Head Architect for the Oracle Marketing Cloud (OMC) Front-End Technical Leadership team, guiding cross-product UI architecture and strategy. * Led the unification and standardization of a shared React component library across all products under the OMC umbrella, enabling consistent user experiences and improved development efficiency.

Technical Lead (vmKernel)

vmware

Dec 2014 - Jan 2016 (1 year 2 months)

* UI Tech Lead for the vmKernel UI team, overseeing front-end architecture and development. * Architected, designed, and developed the first HTML5-based VMware Host Client UI, replacing a legacy Visual Basic implementation. With a team of just two developers, delivered a production-ready version in 6 months, significantly ahead of the original 12+ month timeline. * Presented at VMworld 2015 (TAM Session): HTML5-based ESXi Host Client, sharing insights on the transition to a modern UI and its impact on product usability and performance.

Sr Principal Member of Technical Staff (Cloud Application Group)

Oracle

Oct 2012 - Nov 2014 (2 years 2 months)

* Design and development of the UI platform for Oracle's MBAAS solution for the Cloud. * Designed and developed the Oracle's API management platform UI for Oracle Mobile Cloud Service.

Sr Principal Solutions Architect (Oracle's A-Team)

Oracle

Oct 2007 - Oct 2012 (5 years 1 month)

* Collaborated with product development and product management to enhance the Oracle WebCenter Suite product stack. * Architected and implemented enterprise solutions for customers worldwide, ensuring scalable and maintainable deployments. * Handled customer escalations, both remotely and on-site, delivering high-impact technical resolutions. * Worked closely with executive leadership to create impactful presentations and live demos for flagship events such as Oracle OpenWorld and JavaOne. * Partnered with Sales Consultants to develop proofs of concept and design robust solution architectures for strategic business proposals. * Evangelized Oracle technologies at major industry conferences including Oracle OpenWorld, ODTUG, Devoxx, and TSSJS

Senior Member of Technical Staff

Oracle

Oct 2005 - Sep 2007 (2 years)

* Designed and implemented Mobile Push and Mobile Mail Server for Oracle Beehive. * Defined a single common implementation design pattern for mobile servers. * Developed a Monitoring and Performance tool for Oracle Collaboration Suite.

Java Senior Especialist

Oracle

Nov 2004 - Oct 2005 (1 year)

* Served as technical leader and architect for the design and implementation of a custom CRM solution for Entel Telecom Chile, tailored to meet complex business requirements. * Led technical efforts at Falabella Bank, delivering a range of solutions including business intelligence, enterprise portals, and database performance optimization. * Collaborated closely with the consulting sales team, providing technical insight to estimate project timelines, resource needs, and solution feasibility.

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Development Manager

EXE Ingenieria

Aug 2003 - Oct 2004 (1 year 3 months)

* Led the design, development, and delivery of the Chilean Treasury Portal, the national platform through which all Chilean citizens pay their taxes. * Trained the Chilean Treasury engineering team in various J2EE technologies, enhancing their technical capabilities and long-term system support. * Served as technical lead for the Citigroup Securities System in Chile, overseeing architecture, implementation, and cross-team coordination

Staff Consultant

Oracle Brasil

Oct 1997 - Jul 2003 (5 years 10 months)

* Earned rapid career growth through strong performance, receiving two promotions (Trainee -> Junior -> Staff) within six months and serving as technical lead on multiple large-scale projects early on. * Designed and developed a web-based application for the Brazilian Census Bureau, that dynamically builds, executes, and displays queries derived from a metamodel capable of generically mapping any star-schema. * Created a custom cache-controller algorithm that significantly improved query performance by enabling full or partial reuse of previously executed DB queries. * Designed and implemented the Easy Business Components framework, which has been adopted and utilized by Oracle Brazil Consultants across multiple customer projects.

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