Data Analyst (SQL/Tableau)
Resume:
Timothy Balkissoon
️ *****************@*****.***
LinkedIn Profile
Tableau Portfolio
Queens, NY 11435
SUMMARY
Data Analyst with 5+ years of experience delivering business intelligence solutions, ad-hoc analysis, and scalable reporting across financial services and healthcare. Advanced in SQL and Tableau, with experience building ETL pipelines, developing self-service dashboards, and partnering with cross-functional teams to drive data-informed decision-making. Experienced in Python-based automation and modern analytics workflows.
TECHNICAL SKILLS
●Languages & Databases: SQL (CTEs, window functions, joins), Python, R, Snowflake, Teradata
●Visualization & BI: Tableau, Power BI (experience transferable to Looker/Hex)
●Data Engineering & ETL: Alteryx, SSIS, Azure, Google BigQuery
●Tools & Platforms: Salesforce, SAP BusinessObjects, SharePoint, Jira, Visio
●Other: Excel (Advanced), Power Automate
●Emerging Tools: AI-assisted analytics (e.g., Copilot-style tools for automation & querying)
EXPERIENCE
Senior Business Data Analyst – Cenlar FSB
Apr 2022 – Present
●Developed business intelligence dashboards in Tableau to monitor loan performance, portfolio health, and operational KPIs
●Performed ad-hoc analysis and deep dives using SQL to investigate trends, anomalies, and business questions from finance and risk teams
●Built and maintained ETL pipelines using SQL (SSMS) and Alteryx to support scalable reporting and analytics
●Designed self-service dashboards enabling stakeholders to independently track performance metrics and operational health
●Collaborated with data engineers and cross-functional teams to source data and support analytical data models
●Implemented data validation and reconciliation checks across servicing systems and investor reports to ensure data integrity
●Automated recurring reporting workflows using Alteryx and Python-based scripting approaches
●Partnered with Finance, Risk, and Operations teams to deliver tailored reporting and analytical insights via Tableau,SSMS,Alteryx and Salesforce
●Translated business requirements into scalable reporting solutions and supported UAT processes using Jira
Environment: Tableau, SQL (SSMS), Alteryx, Salesforce, Cenbase, Azure, Jira, SharePoint
Senior Data Analyst – Cigna
Dec 2021 – Apr 2022
●Analyzed healthcare datasets (claims, pharmacy, patient data) using SQL and Tableau to support operational and financial reporting
●Built dashboards and reporting solutions to track KPIs and performance metrics for business stakeholders and internal teams
●Performed ad-hoc analysis to investigate cost drivers, utilization trends, and operational performance via Tableau and SAP Business Objects
●Supported development of ETL processes for data cleansing, transformation, and staging
●Collaborated with cross-functional teams including operations and business stakeholders to define data requirements
●Conducted root cause analysis to identify trends and improvement opportunities
●Contributed to automation of reporting workflows and migration of legacy reporting into centralized systems
●Utilized Excel for data validation, reconciliation, and reporting support
Environment: Tableau, SQL (Teradata), SAP BusinessObjects, Excel, Azure, SharePoint, Visio
Data Analyst – NYC Department of Buildings
Aug 2020 – Dec 2021
●Developed real-time dashboards and reporting solutions using Power BI to support COVID-19 response efforts
●Performed deep-dive analyses on public health and operational datasets to inform policy and decision-making
●Built geospatial dashboards to track school reopening metrics and resource allocation
●Collaborated with stakeholders across operations and government teams to deliver actionable insights
●Supported ETL workflows using Alteryx and Google Cloud Platform(Big Querry)
●Ensured data quality through validation checks and data consistency reviews
●Conducted field support by assisting with ETL and ELT processes with respect to Microsoft Dynamics 365 and Googles Cloud Platform.
Environment: Power BI, Alteryx, SQL, R, Dynamics 365,Google Cloud Platform
Business Intelligence Analyst – Goldman Sachs Consulting
Aug 2019 – Apr 2020
●Developed SQL queries and Tableau dashboards to support business intelligence and reporting needs
●Built analytical models and reporting tools to support financial and operational analysis
●Partnered with stakeholders to translate business requirements into data solutions
●Supported ETL workflows and data validation processes
Environment: SQL, Tableau, SAP BusinessObjects, Excel, Salesforce
EDUCATION
B.S. Computer Science – Queens College
B.S Computer Science - University of London
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