Olayinka Williams-Ojo
Oshawa,Canada
Summary
Highly accomplished Data Analyst with about a decade of experience in leveraging advanced analytical techniques and cutting-edge technologies to drive data-driven decision-making and enhance organizational efficiency. Proficient in all stages of the data analytics lifecycle, from data collection and cleansing to modeling and visualization, adept at transforming complex datasets into actionable insights that fuel strategic initiatives and business growth. Demonstrated expertise in developing and implementing innovative analytics solutions tailored to meet diverse business needs across various industries. Skilled communicator and team collaborator, capable of translating technical findings into non-technical terms to facilitate informed decision-making at all levels of the organization. Proven track record of successfully leading cross-functional teams and delivering high-impact projects on time and within budget constraints. Seeking to leverage my extensive experience and passion for data analytics to drive continuous improvement and innovation in a dynamic and forward-thinking organization.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Tableau developer/Data analyst
TD Bank
Toronto, ON
04.2022 - Current
- Enhanced data analysis processes, leading to an increase in efficiency and a reduction in errors
- Implemented automated reporting solutions, reducing report generation time and increasing data accuracy
- Created interactive dashboards in Power BI and Tableau, resulting in an improvement in data visualization effectiveness
- Optimized Tableau Server performance, reducing downtime and improving accessibility for stakeholders
- Utilized AWS components to optimize data storage and retrieval processes, reducing data access time
- Successfully implemented data pipelines for ETL processes, resulting in a reduction in data processing time
- Streamlined data extraction, transformation, and loading procedures, leading to an increase in data accuracy for analysis and reporting.
Power BI developer
Bank Of Montreal
Toronto, ON
07.2020 - 03.2022
- Optimized data visualization and analysis capabilities in Power BI by designing and implementing data models and relationships, resulting in an increase in actionable insights
- Automated data preparation tasks using Alteryx, reducing manual effort and boosting team productivity
- Drove cross-functional collaboration to gather and analyze requirements, ensuring alignment with business objectives and KPIs, leading to an improvement in project efficiency
- Leverage DAX to develop calculated columns, measures, and tables, resulting in an improvement in data analysis accuracy and visualization effectiveness
- Implemented robust row-level security and role-based access control in Power BI, ensuring data confidentiality and compliance with privacy regulations, reducing data breach risks
- Spearheaded the implementation of innovative data governance strategies that increased data accuracy, leading to more informed decision-making processes and improved operational efficiency.
BI Developer
Hackensack Meridian Health
Edison, NJ
11.2019 - 06.2020
- Spearheaded compliance efforts with GDPR and HIPAA regulations, ensuring data governance adherence and security standards within the healthcare setting
- Developed and managed Tableau dashboards to visualize clinical data, resulting in a measurable increase in patient outcomes and operational efficiencies
- Streamlined data entry process by integrating electronic health record (EHR) data with financial and operational data, leading to a significant reduction in data entry time and improved data accuracy
- Leveraged Hive for querying and analyzing data stored in Hadoop Distributed File System (HDFS), facilitating ad-hoc analysis and data exploration to drive data-driven decision-making processes
- Delivered customized data solutions tailored to organizational objectives, resulting in enhanced data-driven insights and operational efficiency improvement.
Data Analyst/BI Developer
Suncoast Credit
Tampa, FL
10.2016 - 10.2019
- Implemented data-driven strategies using SQL to optimize a nationwide retention program, resulting in 8% increase in profitability
- Saved approximately 80 hours of monthly labor by developing and managing reporting for the retention program using Python, SQL, and Excel
- Enhanced reporting efficiency by automating dashboards with SQL, Excel, Power BI, and Tableau, leading to improved report creation times and frequency
- Collaborated closely with stakeholders to gather and address reporting requirements, enabling data-driven decision-making processes.
IT Support Specialist
Baudspace Networks
Lagos, NG
07.2013 - 07.2016
- Led and coordinated task assignments for junior staff, providing orientation training to foster a collaborative work environment and enhance team productivity
- Ensured minimal downtime and business continuity by delivering timely resolutions to IT queries and technical issues
- Conducted comprehensive orientation training programs for new team members, promoting a supportive and efficient work culture within the IT department.
Education
Bachelor of Science - Mathematics
Lagos State University
Skills
Proficient with the use of Tableau, SharePoint, SQL, Fivetran, SAP, Power BI, Jira, Azure DevOps, Box, ERP, ETL, GCP, Oracle, BigQuery, Excel, VBA, SSIS, SSAS, SSPS, Python, R, SQL Server, SAS, Excel VBA
Area of Expertise
Process Improvement | Data Analysis | Problem-Solving Skills | Business Intelligence | Data Modeling | Human Relations Management | Data Visualization | Effective Communication | Dashboard Development | Organizational Skills | Data Quality Assurance | Quantitative Analysis | Interpretation Skills | Data Interpretation | Analytical and Strategic Planning | SDLC Processes
Key Selected Achievements
- Conducted data analysis at TD Bank, resulting in an increase in revenue due to the identification of key market trends and opportunities.
- Led the implementation of data-driven methodologies at BMO, resulting in an improvement in operational efficiency through the optimization of Tableau dashboards with PySpark for ETL processes.
- Successfully integrated data models at Hackensack Meridian Health, leading to an improvement in data accuracy and compliance with GDPR and HIPAA regulations.
- Developed automated dashboards at SunCoast Credit using SQL, Excel, and Tableau, resulting in a reduction in reporting time and improved data visualization for stakeholders.
- Enhanced data transformation process at SunCoast Credit, resulting in an increase in data processing efficiency and accuracy after implementing ETL processes for Snowflake data integration.
Certification
Tableau Desktop Specialist
Timeline
Tableau developer/Data analyst
TD Bank
04.2022 - Current
Power BI developer
Bank Of Montreal
07.2020 - 03.2022
BI Developer
Hackensack Meridian Health
11.2019 - 06.2020
Data Analyst/BI Developer
Suncoast Credit
10.2016 - 10.2019
IT Support Specialist
Baudspace Networks
07.2013 - 07.2016
Bachelor of Science - Mathematics
Lagos State University
Similar Profiles
Samiul ShaownSamiul Shaown
Product Operations Lead at TD Insurance, TD BANK GROUPProduct Operations Lead at TD Insurance, TD BANK GROUP
Abhilash NyatiAbhilash Nyati
Personal Banker at TD Bank Group - TD Canada TrustPersonal Banker at TD Bank Group - TD Canada Trust
Ashley WidermanAshley Widerman
Team Manager II at TD Auto Finance, TD Bank NATeam Manager II at TD Auto Finance, TD Bank NA
Vedansh VyasVedansh Vyas
Personal Banking Associate at TD Canada Trust (TD Bank)Personal Banking Associate at TD Canada Trust (TD Bank)
Kapeesh Vinay BhattKapeesh Vinay Bhatt
Customer Service Representative at BarBurritoCustomer Service Representative at BarBurrito