Godwin Thankappan Email & Phone Number

As a Senior Data Scientist at Performance Food Group (PFG), I optimized business strategy and drove growth through the following contributions:•Built a Customer Churn prediction Classification Model, reducing churn rates and enhancing customer loyalty by taking proactive measures.•Built a Regression Model for inventory planning, predicting the number of items required for efficient stock management.•Built a Customer and Product Segmentation Models to tailor marketing strategies, enabling personalized offerings for specific customer segments.•.Built NLP pipeline for sentiment analysis using VADER to classify user reviews. Exploring Bert Transformer Models forpotential accuracy improvements, enhancing customer experience throughfaster identification of dissatisfied customers.•Conducted exploratory data analysis (EDA), cleaned, pre-processed, and transformed data using Python libraries, incorporating various ML and DL algorithms.•Utilized Hyper Parameter tuning, Cross validation, and Ensemble Methods to optimize model performance.•Configured and managed S3 buckets for efficient storage and retrieval of application assets & Implemented Automated CI/CD pipelines with Github Actions.•Utilized Docker for consistent and scalable application deployment across diverse environments.•Established coding best practices, organized folder structures, and ensured code maintainability for seamless collaboration within the team & Implemented robust logging and effective exception handling to enhance code reliability and facilitate troubleshooting•Implemented version control strategies, seamlessly integrating Pickle in the model lifecycle, enhancing overall deployment efficiency and scalability..

As the Power BI Data Analytics, my primary objective was to create interactive dashboards in Power BI that provided real-time insights into inventory, sales, and procurement data. key responsibilities:- Connecting to diverse data sources, including Netezza, Snowflake, Excel, and others, and efficiently importing data into Power BI using the Power Query Editor.- Conducting comprehensive data cleaning and transformation using Power Query Editor to establish star schemas and multi-fact star schemas, along with implementing active and inactive relationships.- Leveraging my expertise in Power BI to craft a wide range of impactful visualizations, including pie charts, bar charts, tree maps, circle views, line charts, area charts, scatter plots, donut charts, tree maps, and custom visuals.- Deploying the on-premises data gateway to establish secure and seamless connections between Power BI and various data sources, ensuring the accuracy and timeliness of data transfers.- Configuring automatic dataset refreshes through the on-premises data gateway to maintain up-to-date and consistent data for ongoing analysis and reporting.- Utilizing the tabular editor to streamline complex data models and calculation groups, optimizing report performance, and reducing maintenance overhead.- Leveraging the capabilities of Power BI Service to publish and share reports with business users, while implementing robust access control and permission management protocols.- Employing performance tuning strategies, including the creation of summary tables, to efficiently handle large datasets, resulting in a significant reduction in data volume from 84 lakhs to 4 lakhs records.In my role as the Power BI Data Analytics Lead, I played a crucial role in empowering PFG with actionable insights derived from interactive dashboards. These insights enabled the organization to make informed decisions, streamline operations, and enhance overall performance.

As the Cognos Data Analytics Lead, I was responsible for overseeing a significant project involving the migration of 160 Dashboards from OBIEE to IBM Cognos Analytics. This initiative aimed to enhance the Human Resource Analytics capabilities at Northern Trust. key responsibilities- Designed and developed over 160 dashboards, visualizations, and interactive reports using IBM Cognos Analytics 11, Framework Manager, and Oracle databases. These deliverables played a crucial role in Northern Trust's Human Resource Analytics operations, providing actionable insights for data-driven decision making.- Collaborated effectively with an offshore team throughout the migration process, successfully transitioning the complex OBIEE RPD model to Cognos Framework Manager model. This involved leveraging my expertise in SQL, Framework Manager, and Oracle databases.- Implemented various optimization techniques to enhance report performance at multiple levels, including database, Framework Manager, and report levels. These optimizations resulted in faster report generation and an improved user experience.- Ensured data-level security in Framework Manager, adhering to company policies and regulations while safeguarding sensitive HR data. This involved implementing robust security measures to protect the confidentiality and integrity of the information.- Demonstrated strong leadership skills by managing client expectations, maintaining effective communication with stakeholders, and providing guidance to the offshore team. In this role, I leveraged my technical expertise, project management skills, and domain knowledge to drive the successful migration and optimization of critical analytics assets. The outcomes of this project significantly enhanced Northern Trust's HR analytics capabilities, enabling data-driven decision making and contributing to the organization's overall success.

As a Tableau Data Analyst at Cigna - Accenture Services Private Ltd, I provided valuable insights into various business aspects, including healthcare operations, financials, and customer behavior. My role involved analyzing data from multiple sources to empower Cigna, a leading healthcare provider, in making informed business decisions.Key Responsibilities:- Developed interactive dashboards and storyboards using Tableau, incorporating data from diverse sources such as Teradata, Oracle, Excel, and CSV files.- Created a wide range of reports, including cross-tab reports, bar charts, stacked bar charts, trend lines, scatter plots, and pie charts. I also utilized hierarchies, groups, sets, number calculations, string calculations, date calculations, and logic calculations to enhance the reports' depth and insights.- Worked extensively with different data connections, including live connections, extract connections, Joins, and Blending, to seamlessly integrate data from various sources and ensure accurate analysis.- Implemented filters and applied data-driven transformations to extract actionable insights from the data, allowing stakeholders to explore and interact with the information effectively.- Published Tableau reports and dashboards to the Tableau server, ensuring easy access and enabling stakeholders to access the visualizations and reports effortlessly.- Provided training and support to users, enabling them to leverage Tableau effectively for their analysis and reporting needs.- Implemented robust security measures to safeguard data privacy and confidentiality, ensuring compliance with industry standards and regulations.In this role, I translated complex data into visually appealing dashboards, enabling stakeholders to make data-driven decisions. My contributions directly impacted Cigna's healthcare operations, financial performance, and customer understanding.

As a SQL Data Quality Analyst at Hartford within Cognizant, I played a crucial role in ensuring the accuracy and reliability of customer data by validating quotes, premiums, and policies issued through various source systems. My responsibilities involved collaborating with cross-functional teams and leveraging SQL expertise to perform comprehensive data quality testing.Key Contributions:- Conducted in-depth analysis of business requirements and worked closely with the team to design robust testing strategies, ensuring alignment with project goals.- Utilized advanced SQL skills to write complex queries and test cases, thoroughly validating data transformations to guarantee data quality and integrity.- Provided valuable insights and recommendations to the team based on detailed analysis of testing results, facilitating continuous improvement of the ETL (Extract, Transform, Load) process.- Played a crucial role in enhancing overall data quality by identifying and resolving data anomalies, inconsistencies, and discrepancies.- Actively participated in team discussions and meetings, collaborating with stakeholders to address challenges and optimize data validation processes.- Maintained clear and concise documentation of testing procedures, methodologies, and results, ensuring transparency and facilitating knowledge sharing within the project team.My contributions as a SQL Data Quality Analyst at Hartford resulted in improved data accuracy, enhanced data governance, and streamlined processes. Through my attention to detail, analytical mindset, and expertise in SQL and data quality assurance, I made significant contributions to the success of the project.

As a Cognos Report Developer & Analyst at Metlife, I played a crucial role in developing Cognos reports for a leading insurer's claim management system, focusing on capturing contract and claim details from diverse data sources.In this role, I successfully:- Gathered requirements from clients and business stakeholders, effectively translating their needs into actionable insights and report specifications.- Developed and meticulously tested reports using Cognos, Framework Manager, and Oracle, ensuring accuracy, reliability, and compliance with project specifications.- Provided post-implementation support, addressing user queries and issues promptly, and conducted comprehensive user training sessions to empower stakeholders in effectively utilizing the reports.- Deployed models, reports, and data tables to higher environments, facilitating smooth transitions and minimizing disruptions in the production environment.- Conducted thorough integration testing and user acceptance testing to ensure the functionality and usability of the implemented solutions, delivering high-quality reports that met business requirements.- Prepared detailed functional design and technical design documents for Framework Manager models and reports, ensuring clear documentation for future reference and streamlined development processes. Throughout this project, I showcased my proficiency in Cognos reporting, data analysis, and documentation. By leveraging my expertise, I contributed to improved decision-making processes within the organization, enabling stakeholders to make informed choices based on accurate and insightful reports.