Calvin Thomas Wynne

Software Engineer

Cognizant Technology Solutions•  June 2019 - July 2021

Congnizant Spark/Python developer ➤ Back-end Spark/Python developer for a US based client, Dun & Bradstreet. Worked for the project standard scores modernisation, and was solely responsible for the recreation of Customer Credit ➤ Score model, one of four legacy Mainframe scoring processesPrimary developer, solely responsible for the recreation and migration of 3 other models for the Origination scores modernisation project, and was also responsible for the supervision of 1 other origination model that was being developed simultaneously ➤ Designed and developed multiple HQL steps and automated workflows. Combined multiple steps across different models and created several reusable components ➤ Designed and developed a score-model template, a universal report generation tool and a pyspark unit-test framework for all scoring models, that is still being used as a standard in legacy modernisation projects ➤ Designed and developed a score-model evaluation tool which simplified the process of comparison of outputs between the recreated model with its legacy counterpart, cutting down evaluation time from days to minutes ➤ Apart from core back-end development and ticket resolution, also responsible for model deployment across Production, Development and QA clusters Python/ETL Developer: ➤ Worked as a developer managing up and running models for PepsiCo. ➤ Primarily work on Pandas, Python, SQL, and Informatica in addition to the maintenance activities and ticket resolutions. ➤ Primary objective of the role was to familiarise with the various up and running ML models and to provide support and to perform maintenance as and when required.

National University of Ireland, Galway

Data Science, MS•  September 2021 - Present

Teaching Support Staff (TSS) ➤ Conducted lab sessions for two course Programming 1 and Engineering computing 2, for undergraduate students, under the supervision of Dr.Finlay Smith ➤ Responsibilities include delivering lectures, organising tutorial labs, and assisting lecturers ➤ Supervised practical work, advised on coding techniques, and assisted with the transfer of knowledge ➤ Assignments are assessed and timely feedbacks are being provided to students to support learning