Leonel Perez Email & Phone Number

Irving, Tx, Us

Irving, Tx, Us

Irving, Texas, United States

• Software Engineering Rotation– Aided in the training of a machine learning model in Indico by labeling documents and rigorously analyzing false positives/negatives, which became instrumental in establishing a ground truth for the model.– Engineered post-processing code in Python that could scrupulously validate data collected by the model, rectify inaccuracies, and complete partial data.– Orchestrated the construction of test cases for our Jenkins pipeline, seamlessly integrating… Show more • Software Engineering Rotation– Aided in the training of a machine learning model in Indico by labeling documents and rigorously analyzing false positives/negatives, which became instrumental in establishing a ground truth for the model.– Engineered post-processing code in Python that could scrupulously validate data collected by the model, rectify inaccuracies, and complete partial data.– Orchestrated the construction of test cases for our Jenkins pipeline, seamlessly integrating unit testing with SonarQube to ensure code quality standards.• Data & Analytics Rotation– Pioneered the creation of OIBEE data visualization reports for a myriad of projects, while adeptly managing SQL database configurations and retrievals.– Leveraged the Oracle Analytical Server tool to oversee a suite of applications, monitoring document flows andvital analytics pertinent to multiple Lines of Business.– Automated the generation of dummy data for machine learning model training in Indico, streamlining processes and enhancing efficiency.• TechOps/SRC Rotation– Facilitated certificate renewals/decommissions for multiple applications in ServiceNow via Difenda– Developed a dashboard using Dynatrace to monitor the health and traffic of multiple databases used by the bank, ensuring seamless operations.– Utilized the Plato and Evolven tools to vigilantly monitor and manage multiple applications in different environments, while meticulously documenting processes for team utilization in Confluence.• Security Rotation– Architected a new automation process for retrieving reports via ServiceNow API calls, subsequently publishing them on the team SharePoint site through the Microsoft Graph API. – Designed and implemented a new Technology Collaboration site in SharePoint for multiple Lines of Business, facilitating enhanced tracking and comparison of upcoming change requests and their impact. Show less

• Conducted thorough analysis of transaction histories, account details, and other relevant information to assess the risk level of cases and identify potential fraudulent patterns or trends.• Utilized risk-scoring models and data analysis techniques to identify high-risk activities and prioritize investigation efforts accordingly.•Collaborated with cross-functional teams to enhance security protocols, implement fraud detection rules, and provide training and education to employees and… Show more • Conducted thorough analysis of transaction histories, account details, and other relevant information to assess the risk level of cases and identify potential fraudulent patterns or trends.• Utilized risk-scoring models and data analysis techniques to identify high-risk activities and prioritize investigation efforts accordingly.•Collaborated with cross-functional teams to enhance security protocols, implement fraud detection rules, and provide training and education to employees and customers on fraud prevention best practices. Show less

Dallas, Texas, United States

• Designed and developed scripts in Python to automatically detect fraudulent PNC websites on the internet.• Played a pivotal role in the analysis of online fraud incidents, leveraging real-time data insights to thwart threat actors and safeguard the integrity of the bank's digital transactions.• Aided in mitigating potential losses amounting to millions of dollars from online fraud scams while ensuring the security of sensitive customer data.

Irving, Texas, United States

• Conducted diagnostic procedures to determine the root cause of customer problems and provide accurate repair recommendations.• Performed regular upgrades to update systems and improve operability.• Assembled, maintained, and repaired system hardware.

Irving, Texas, United States

• Engaged with customers to effectively build rapport and lasting relationships.• Boosted sales by conferring with customers to evaluate purchase requirements and recommend best-fit company offerings.