Karol Stuart T Email and Phone Number

* Strategic Partnership: Collaborating closely with Account teams and diverse customers, I actively contribute to account planning and strategy development, with a particular focus on supporting AI/ML and data-intensive workloads within OCI* End-to-End OCI Environment Setup: Assisting customers across various industries, I guide them in setting up their environments on OCI, from the foundational phase through to full automation, ensuring seamless operation of their workloads in the cloud.* Cost Optimization: Driving conversations around cost optimization, I work closely with customers to ensure they are making the most of OCI’s services, helping them optimize workloads while managing costs and improving productivity and performance.* Executive Engagement: Engaging with C-level executives, I provide a strategic technical vision and roadmap for modern cloud applications, infrastructure transformation, and enterprise-wide digital transformation strategies, all while driving OCI adoption and innovation.* Internal Tools/Services: Actively enhancing internal tools and services that empower the team to track their skills and collaborate effectively, ensuring continuous improvement and knowledge sharing across departments.* Deal Closure & “Why OCI” Pitch: Playing a key role in closing multi-million dollar deals, I provide compelling "Why OCI" pitches, demonstrating the unique value of Oracle Cloud Infrastructure to customers and helping them understand how OCI can transform their business operations with scalability, security, and cost efficiency.

* Strategic Partnership: Collaborating closely with Account teams and diverse customers, I actively contribute to account planning and strategy development, particularly in the context of supporting AI/ML workloads.* Startup Ecosystem Engagement: Engaging with Venture Capitalists (VCs) and Business Development managers, I lend my expertise to support startup companies, fostering innovation and growth in the entrepreneurial landscape.* Well-Architected Framework Workshops: Conducting impactful workshops on the Well-Architected Framework, I collaborate with startup and enterprise customers. My role involves reviewing their workloads and suggesting best practices, ensuring robust and scalable architectures.* End-to-End AWS Environment Setup: Supporting multiple customers across various industries, I guide them in setting up new environments in AWS. From the foundational phase to full automation, my focus is on seamlessly running workloads in the cloud.* Cost Optimization Leadership: Leading discussions on cost optimization, I assist customers in leveraging cloud-native services to fine-tune their workloads. This involves a continuous effort to help customers control their spending while enhancing productivity, quality, and efficiencies. * Executive Engagement: Establishing connections with C-level executives, I provide a strategic technical vision, strategy, and execution for modern applications and infrastructure operations organizations.* AWS Reinvent Demonstrations: Actively involved in the demonstration of new features to our customers introduced during AWS Reinvent, showcasing our commitment to staying at the forefront of technological advancements.* Migration and Solution Architecting: Playing a pivotal role in migrations, I contribute to lift/shift and refactoring of applications. This includes involvement in large-scale SAAS solution architecting, development and deployment.

As the Founder and Chief Technologist for Num Receipt product, I spearheaded the development of a startup product tailored for high-volume transactions and seamless scalability, fortified by a robust DevOps foundation. My key contributions include:* Resilient Restructuring: Transformed the initial IaaS-based solution into a resilient PaaS model, significantly enhancing overall system availability. * Innovative Technology Implementation: Leveraged Google BigQuery for billing analysis and explored Pub-Sub/CloudFunctions, achieving exponential scalability and reliability.* Financial Oversight: Effectively managed the startup project's budget (P&L), ensuring financial health and sustainability.* Agile Test-Driven Development: Implemented an Agile test-driven development strategy, optimizing the product development lifecycle for efficiency and quality. * Reliability Engineering Leadership: Spearheaded continuous improvement of product availability through foundational Site Reliability Engineering practices, establishing a robust, secure, and controlled environment. * Cloud Migration Excellence: Led the cloud migration of the finance app, modernizing services for high availability, traffic management, and scalability. * Code Refactoring Expertise: Conducted comprehensive code and architecture refactoring to fully leverage cloud-native benefits. * Infrastructure Optimization: Implemented Google Cloud LoadBalancer and managed instance group, ensuring high availability and scalability.* DataFlow Pipelines: Developed DataFlow pipelines for seamless data processing across multiple sources and destinations.* Identity and Access Management: Established IAM and service accounts, created roles, and managed roles for the app development team. * CI/CD and DevOps Excellence: Orchestrated code deployment to QA/Prod Linux using AutoScaling Instance Group DevOps - CI/CD using Jenkins, creating, and maintaining jobs through plugin updates.

* Leadership in Data Engineering: Led the Data Engineering practice, providing strategic guidance and technical expertise to Google customers, including SAP, Seagate, and Twitter.* Twitter BigQuery Support Enhancement: Improved Twitter BigQuery Support performance by an impressive 100%, collaborating with leadership to enhance processes, procedures, and practices. * Operational Growth Initiatives: Developed key operational initiatives to drive substantial business growth, leveraging AI-powered solutions for Seagate HDD maintenance with predictive machine learning. * Dataflow Pipeline Architecture: Architected the dataflow pipeline for a prominent project, ensuring efficient and seamless data processing.* TensorFlow Implementation: Implemented DataFlow pipelines reading from BigQuery and creating TF records for custom TensorFlow model implementation. * Containerized Solutions: Created a Docker container for Dataflow Flex Template, optimizing flexibility and scalability. * Apache Beam Expertise: Wrote Apache Beam code to read from BigQuery and write to Google Cloud Storage (GCS)/BigQuery, ensuring streamlined data workflows. * Database Migration Expertise: Successfully executed the migration from Twitter onPrem MySQL to Cloud SQL, synchronizing MySQL data with BigQuery for enhanced data processing capabilities. * AI Notebooks and Machine Learning: Created AI Notebooks (Jupyter) and wrote Python code for pipelines, actively contributing to running custom machine learning models using TensorFlow.* Data Validation Program: Developed a program using TensorFlow Data Validation (TFDV) to validate and write data as TFRecords, ensuring data integrity and quality. * BigQuery and IAM Expert: Provided expert support on BigQuery, IAM access management, and played a crucial role in the migration and loading of petabytes of data.

* Strategic Team Leadership: Spearheaded the formation of a high-performance team dedicated to automation and performance optimization, aligning with organizational objectives.* Critical Issue Resolution: Analyzed and swiftly resolved Sev 1 and Sev 2 performance defects, ensuring the continuous reliability and efficiency of mission-critical systems.* Advanced Dassault Product Implementation: Led the installation and configuration of diverse Dassault products, such as 3DPassport, 3DSpace, 3DDashboard, FCS, Federated, FTS, Exalead, COS, contributing to an enhanced technological infrastructure.* Offshore Team Management: Managed offshore teams, effectively addressing and resolving Sev-3 performance defects, fostering a collaborative and responsive global environment.* Emergency Release Ownership: Demonstrated leadership by owning the delivery of emergency releases related to performance issues, ensuring timely and effective solutions.* Strategic Reporting: Prepared and presented comprehensive reports on Enovia performance for Steering Committee meetings, offering valuable insights for strategic decision-making.* Proactive Performance Coordination: Coordinated efforts to address performance challenges, including blocking locks, insufficient memory, and out-of-memory scenarios, demonstrating a proactive approach to system health.* Oracle Performance Tuning: Applied expertise in Dassault Enovia Oracle performance tuning through meticulous optimization of Oracle Indexes and MX settings, contributing to enhanced system efficiency* Collaborative Problem Solving: Collaborated closely with the Dassault team to identify and resolve Out-of-the-Box (OOTB) performance issues, fostering a culture of cross-functional problem-solving.* Rapid Response to Critical Issues: Exhibited a swift response to hotspots, promptly identifying and rectifying sudden server crashes, ensuring uninterrupted system functionality.

* Scalable Project Architecture: Engineered a scalable project architecture, leveraging Oracle Coherence for an efficient caching mechanism and Cassandra for robust persistent storage, ensuring the seamless handling of millions of requests.* Performance Analysis Expertise: Conducted comprehensive performance analyses using Jmeter and Grinder software, implementing insights to enhance system efficiency.* Version Control System Migration: Executed a meticulous migration from GIT to SVN, aligning with the company's version control system for consistency and streamlined collaboration.* Jenkins Setup for Automation: Spearheaded the setup of Jenkins for automated processes, including compilation, validation, and code movement to MavenCentral, contributing to a more efficient development lifecycle.* Log Analysis with Apache Flume: Analyzed and implemented Apache Flume for log analysis, optimizing data handling and extraction processes.* Metrics Project Design: Designed a Metrics Project tailored to handle millions of transactions efficiently within the Coherence/Cassandra framework, ensuring optimal performance.* Documentation and Knowledge Management: Maintained up-to-date documentation by consistently updating the Wiki page with completed tasks, ensuring comprehensive knowledge management.* Unit Testing Implementation: Established a robust unit testing framework for Coherence and Cassandra, enhancing the reliability and stability of the system.

* Performance Optimization: Resolved critical performance issues arising from blocking locks, deadlocks, server crashes, insufficient memory, and out-of-memory incidents, including the setup of XACML/Enovia configurations. * Performance Analysis: Conductedin-depth performance and resource consumption analysis using JConsole, ensuring optimal system efficiency. * Oracle Performance Tuning: Executed Oracle performance tuning by fine-tuning Oracle indexes and MX settings, enhancing overall database performance.* Release Management Innovation: Introduced Hudson Jenkins for streamlined release management, ensuring efficient and error-free project deployments.* Code Review Process Enhancement: Implemented a manual code review process and conducted a feasibility study of Crucible to enhance code quality and collaboration.* Automation Initiatives: Developed a Push Button Deployment system in the J2EE application, automating war deployment and schema changes to improve the efficiency of the codemovement cycle.* Load Testing Architecture: Designed the architecture for load testing and facilitated its implementation using the LoadRunner tool, ensuring robust performance testing. * Production Monitoring and Analysis: Monitored production environments using Oracle’s OEM and analyzed OEM’s AWR reports to identify and address top SQL performance issues.* Code Quality Assurance: Conducted thorough Java/JSP/Javascript code reviews to identify and rectify performance-related issues before deployment to production.* Cloud Environment Support: Provided support for training environments hosted on cloud servers, ensuring seamless operations.* Qlickview Report Design: Designed Qlickview reports by extracting and analyzing data from the Oracle database, contributing to enhanced reporting capabilities. * Emergency Ticket Resolution: Addressed and resolved emergency production blocker and critical tickets promptly, ensuring minimal disruption to ongoing operations.

* Coding Expertise: Proficiently coded in Java/J2EE, utilizing the Spring Framework, HTML, XML, Web Services, and JMS for seamless application development. * Performance Optimization: Successfully addressed performance issues related to blocking locks, JVM crashes, core dumps, Oracle indexes, Oracle init parameter settings, and app server configurations, providing effective solutions for enhanced system efficiency.* Database Performance Solutions: Implemented performance solutions by optimizing Oracle indexes, ensuring optimal database performance for clients.* PLM Tools Exploration: Conducted proof of concept (POC) evaluations on Siemens Teamcenter, Dassault VPLM,SAP PLM, and other PLM tools, contributing to informed decision-making. * Operational Coordination: Collaborated with Operations teams for backup and disaster recovery planning, ensuring robust system resilience.* Technical Design Mastery: Created detailed technical designs of applications through the development of UML diagrams, facilitating comprehensive understanding and efficient implementation.* Oracle Support Ticketing: Managed Oracle Support tickets (previously Oracle Metalink) to address eMatrix Oracle issues, ensuring prompt and effective issue resolution. * System Monitoring: Utilized tools such as Quest Spotlight and Oracle’s OEM to monitor production systems, conducting in-depth analysis through OEM’s AWR reports to identify and optimize top SQL queries.* Emergency Response: Responded promptly to emergency production requests with severity levels 1 and 2, ensuring minimal downtime and rapid issue resolution.* Documentation Excellence: Created comprehensive Design Documents and Test Case Documents for ENH requests, ensuring clear communication and streamlined development processes

* Code Customization: Adapted existing code to align with client requirements, ensuring seamless integration of custom functionalities. * Java/JSP/XML Development: Created custom Java, JSP, and XML code to fulfill enhancement requests, enhancing the capabilities of ES&S applications.* Design Documentation: Developed detailed design documents for ES&S Admin Tools and PDF Reports, collaborating closely with Subject Matter Experts (SMEs) to ensure accurate representation of client needs.* Application Server Management: Installed and configured Websphere Application Server 4.0, ensuring smooth and efficient application deployment.* Configuration Leadership: Led the configuration team for ePACE and ES&S projects, overseeing the setup and optimization of project configurations.* Security Implementation: Implemented security measures for Drawing/Part files in adherence to ITAR standards, ensuring compliance with regulatory requirements.* Performance Optimization: Addressed performance issues related to locks and defunct processes, enhancing system efficiency.* Data Migration: Played a crucial role in migrating production data from legacy systems, ensuring a seamless transition to modernized platforms.* Low-Level Design (LLD) Creation: Developed comprehensive Low-Level Design documents outlining the specifications for Oracle Forms screens and reports.* Oracle Forms and Reports Development: Utilized Oracle Forms and Reports to create PIPS (Product Improvement Proposal System) user forms and Data Source Control reports, enhancing the functionality of the system.* Code Testing and Optimization: Conducted rigorous testing of the developed code, adhering to PIPS standards, and optimized performance for seamless functionality. * Unit Test Result Preparation: Prepared detailed Unit Test Results, a critical step in ensuring the final acceptance and reliability of the software.

As a Senior Java Software Engineer at PaperlessPOBox, I played a key role in enhancing and expanding the system's capabilities. My contributions included:* Specification and Programming: Prepared detailed specifications and implemented them in EJB (Enterprise JavaBeans) using Bean Managed Persistence, ensuring efficient and effective data management.* Prototyping for New Modules: Led the development of prototypes for new system modules, contributing to the continuous evolution and improvement of the platform.* Mail Piece Visibility: Implemented a solution where mail pieces stored in Windows 2000 became visible to users by running a dedicated IIS server, enhancing user accessibility* VB to EJB Communication: Developed a codebase enabling seamless communication from VB (Visual Basic) to EJB, utilizing JCOM to automatically insert mail pieces into the database before sending emails to recipients.* Email Campaign Optimization: Conducted research to identify the best tools for optimizing email campaigns and successfully initiated targeted email distributions to solicited lists.

* eSell: Developed fax-sending functionality from HTML pages using FAXNow software, integrating a VB executable. Converted VB executable into VB DLL and facilitated communication from Java to VB.* eBeta [Automated Web Test Suite]: Captured IE objects & events through ATL COM 3.0, integrating C++ from Java using JNI.* MATSystems.com: Designed and implemented the admin section, incorporating news, events, and feedback forms. Integrated entire modules using Dreamweaver.* IRSystems: Collaborated with project leader to design and code the entire project, including workflow and PDF report generation. Streamlined modules using Servlets, Beans for JSP, and documented the project for maintenance.