Data Scientist Machine Learning

TAIFUR CHOWDHURY

501-***-**** ** **********@***.***

P ROFESSIONAL S UMMARY:

Scientifically rigorous Data Scientist with hands-on experience in Statistical Analysis, Data Mining, Data Visualization, Machine Learning, Deep Learning, NLP, LLM and GenAi using Python, R and SQL. Established background in Finance & Operations verticals, with 8 years of robust domain experience focused on data analysis and reporting for revenue analytics, HR data analytics, financial system implementation, improvement projects, strong attention to detail, problem solving using data and creative thinking. TECHNICAL SKILLS

Languages: Python (Pandas, NumPy, Scikit-learn, AutoViz, H20, Tensorflow, Keras), SQL, SAS, Teradata, R Machine Learning: Linear/Logistic Regression, Decision Tree, Random Forest, K-NN, Deep Learning, Neural Network models, PCA, K-means Clustering, and NLP, Snowflake, Snowpark, Streamlit, Azure, Github, DataRobot. Data Science Methods: Hypothesis Testing, A/B Testing, Time Series, Evaluation metric selection and interpretation, feature importance, data wrangling, data visualization. PROFESSIONAL EXPERIENCE

Wells Fargo - Senior Lead Analytics Consultant (Contract) Jan 2023 – Present

• Perform and test complex data analytics for customer remediations.

• Create structured and consistent design analysis documentation for various stakeholders, including reviewers, partners, and regulatory agents to showcase completed research and analysis projects.

• Ensure data integrity from multiple sources and select the most reliable "source of truth" for analysis.

• Use creative and innovative thinking to solve operational and data-related issues, leveraging existing technology solutions where possible and identifying suitable design and technology strategies. Federal Home Loan of Dallas - Business Intelligence Consultant Oct 2022 – Dec 2022

• Extract, transform, and load data from 5 sources for internal reporting under Banking Operations and Accounting departments.

• Created new reports and maintained over 40 reports and 4 SQL Server databases.

• Supported four departments with implementing new accounting database by reconciling prior and new sources, troubleshoot data outages, and presented daily and weekly progress to senior executives.

• Guided BI interns and stakeholders from various other departments with daily data reconciliation and reporting. Resolve Tech Solutions - Data Analyst (Contract) Sep 2021 – Aug 2022

• Analyzed and migrated 100k+ records of employee & vendor data to Workday, defined data quality metrics & validated data migration efficacy between different sources using SQL & Excel.

• Designed & built ~15 data visualization reports using SQL queries & Excel VBA, inferred key insights & communicated them intuitively to technical and non-technical audiences.

• Investigated data quality issues, identified anomalies & missing data, proposed data quality remediation strategies, led data quality improvement initiatives & gained ~10% improvement in data quality.

• Presented complex Financial & HR reports with intuitive Excel dashboards to business and executive stakeholders. Haynes And Boone, LLP - Sr Financial Systems Analyst June 2018 – March 2020

• Built 10+ monthly & quarterly financial reports using SSRS and performed statistical analysis on Work done, Billing & Collection data from SQL Database.

• Implemented accurate & timely revenue forecasting and expense reporting vs budgets using Elite3E enterprise system for

• business leadership, managers, IT department, and external partners at the law firm.

• Mined & analyzed data from Elite3E enterprise system with ad-hoc reports on client, case matter, and timekeeper performance levels using Excel.

• Developed, tested, validated, and shared 50+ complex reports using SQL, SSRS & Workday tools based on requirements.

• Liaised between IT & Finance departments and partnered with senior executives to manage the Firm’s financial systems.

Fresenius Medical Care - Revenue Analyst March 2017 – May 2018

• Customized overall forecast, strategic plan, and operating plans using Bex Analyzer, explored patterns in the data & provided insights into key business drivers. identified risk & opportunities across business units and regions.

• Collaborated closely with 18 division business units (hospitals) to gather & assess issues impacting finance metrics

& business operations within the division.

• Extracted & processed relevant financial data from general ledger & sub-ledgers (balance sheet and income statements) using SQL Server Database & Bex Analyzer, discovered data-driven insights & showcased them with intuitive Excel graphs.

• Validated budget tracking data & accurately updated accounting systems with actual forecasts and budgets.

• Automated 16+ reporting processes using SQL server scripts & stored procedure, promoted transition of reporting to SQL server and saved 100+ reporting man-hours on a weekly basis. Tribune Publishing - Financial Analyst (Contract Position) Aug 2016 - March 2017

• Ensured timely execution of 30+ data interfaces & data load processes, validated 6 monthly & daily reports for sales, human resources & marketing business units, automated data ETL from SQL server & reduced manual intervention by 75%.

• Performed weekly sales analysis, computed metric like sales agent performance & unit/regional sales performance,

• showcased trends in the data using an interactive Excel dashboard, validated payroll processing data for 3 business units.

• Performed statistical & descriptive on cost and financial transaction data using R, extracted data from SQL Server Database and Xactly Sales Enterprise systems, summarized findings & recommendations in executive reports.

• Facilitated 3 company-wide application implementation projects, communicated cross-functionally to ensure timely deployments, performed UAT tests to ensure accurate financial data is loaded in the Xactly Sales Enterprise system. MeritCard Solutions - Financial Data Analyst (Contract Position) Feb 2015- Jun 2016

• Designed & built a scorecard dashboard for reporting 20+ key performance indicators in Tableau, enabled sales managers, merchants, and internal departments evaluate productivity, improve operations, and sales more effectively.

• Spearheaded 5 projects related to report automation, process improvement, and data discrepancy identification & remediation for internal reporting.

• Liaised between finance and risk departments for brainstorming & creation of 8 risk-finance reports and 2 analysis.

• dashboards in Tableau for company’s merchant transactions and general ledger accounting.

• Analyzed merchant-customer dispute cases (chargebacks) on an ad hoc-basis using SQL & Excel, provided data- driven resolutions to operations department, reduced charge-back losses by 7.2%. EDUCATION, AWARD AND CERTIFCATION

Southern Methodist University, Spring 2020 – July 2022 Master of Science in Data Science with concentration in Business Analytics and Machine Learning University of Arkansas, Fall 2009 – May 2011

Bachelor of Business Administration with concentrations in Investments/Financial Management, Mathematics (minor)

• Bank of Carbondale Scholarship for Undergraduate program.

• Honors College Full Tuition Scholarship. University of Central Arkansas. Conway AR.

• Alpha Kappa Psi, Professional Business Organization – Member (2010- 2011)

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