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Data Analyst with experience delivering analytical and data-driven solutions across government and private-sector projects. My work spans data extraction, transformation, and analysis using Python, SQL, and big data technologies (Spark, Hadoop, AWS), as well as statistical analysis and machine learning for real-world decision-making. I have hands-on experience developing and maintaining Power BI dashboards to communicate insights effectively, alongside building automated pipelines and scalable data workflows. I’m comfortable working independently, adapting quickly to new projects, and delivering accurate, high-quality results under tight timelines.…Data Analyst with experience delivering analytical and data-driven solutions across government and private-sector projects. My work spans data extraction, transformation, and analysis using Python, SQL, and big data technologies (Spark, Hadoop, AWS), as well as statistical analysis and machine learning for real-world decision-making. I have hands-on experience developing and maintaining Power BI dashboards to communicate insights effectively, alongside building automated pipelines and scalable data workflows. I’m comfortable working independently, adapting quickly to new projects, and delivering accurate, high-quality results under tight timelines.

Sara Zeidan

Data Analyst, Data Scientist, Full Stack Developer, +2

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Data Analyst with experience delivering analytical and data-driven solutions across government and private-sector projects. My work spans data extraction, transformation, and analysis using Python, SQL, and big data technologies (Spark, Hadoop, AWS), as well as statistical analysis and machine learning for real-world decision-making. I have hands-on experience developing and maintaining Power BI dashboards to communicate insights effectively, alongside building automated pipelines and scalable data workflows. I’m comfortable working independently, adapting quickly to new projects, and delivering accurate, high-quality results under tight timelines.…Data Analyst with experience delivering analytical and data-driven solutions across government and private-sector projects. My work spans data extraction, transformation, and analysis using Python, SQL, and big data technologies (Spark, Hadoop, AWS), as well as statistical analysis and machine learning for real-world decision-making. I have hands-on experience developing and maintaining Power BI dashboards to communicate insights effectively, alongside building automated pipelines and scalable data workflows. I’m comfortable working independently, adapting quickly to new projects, and delivering accurate, high-quality results under tight timelines.

Available to hire

Data Analyst with experience delivering analytical and data-driven solutions across government and private-sector projects. My work spans data extraction, transformation, and analysis using Python, SQL, and big data technologies (Spark, Hadoop, AWS), as well as statistical analysis and machine learning for real-world decision-making. I have hands-on experience developing and maintaining Power BI dashboards to communicate insights effectively, alongside building automated pipelines and scalable data workflows. I’m comfortable working independently, adapting quickly to new projects, and delivering accurate, high-quality results under tight timelines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

French

Beginner

Work Experience

Data Analyst at Chief Data Officer Branch, Employment and Social Development Canada

October 1, 2025 - Present

Designed and developed interactive Power BI dashboards for the Flexible Work Model initiative, building optimized data models, DAX measures, KPIs, slicers, and drill-through pages to visualize onsite presence, compliance rates, and workforce trends for 35,000+ employees. Maintained and optimized Power BI solutions through scheduled weekly dataset refreshes, performance tuning, and data validation, ensuring data integrity, efficient query execution, and alignment with evolving business requirements. Supported the maintenance and coordination of a Power BI seminar series, helping educate analysts and business users on Power BI fundamentals, dashboard best practices, and data storytelling concepts. Analyzed and processed large-scale datasets (millions of rows) stored in Hadoop environments using Python (Pandas, PySpark) to support enterprise-wide data initiatives. Composed automated pipelines and workflows using Power Automate to streamline departmental processes, including the end-to-end

Scientific Evaluator at Pest Management Regulatory Agency, Health Canada

October 1, 2023 - September 30, 2025

Engineered Python pipelines to streamline the collection, cleaning, and analysis of big data pertaining to water quality risk assessments associated with pesticide active ingredients using pandas, and distributed findings using IMAP automations to more than 20 subscribed business units. Conducted in-depth analysis of scientific data concerning the environmental impact of pesticides, through evaluations of scientific literature and employed advanced statistical techniques for the interpretation of findings identifying data discrepancies in research. Produced detailed and concise scientific reports for executives and employees, adeptly conveying complex scientific information to both technical and non-technical audiences for more than 200 readers.

Data Science Consultant at Beam Data

January 1, 2024 - March 31, 2024

Leveraged Textract API to extract structured data from over 20 unstructured documentation types, including driver's licenses, driver’s abstracts, and C.V.O.R. records, using Python to streamline data processing and analysis with a 95% document conversion accuracy rate. Developed a fraud detection system using Scikit-Learn and Keras by analyzing Ontario Government Driver Licence reports, including driver's abstract and C.V.O.R. infractions on a database of more than 1000 Ontario licenses. Implemented the fraud detection system in AWS cloud using Docker and AWS Lambda to create an API inference point for performance and scalability handling verification requests in under 10 seconds for users. Collaborated with internal and external stakeholders to deploy the AWS infrastructure adhering to service level agreements to help ensure that the projects came in under budget and met project objectives.

Data Analyst (Student) at WeCloud Data

May 1, 2023 - December 31, 2023

Collected over 3,500 store listings from Yelp.com for hair salons in Toronto using Selenium and Beautiful Soup for georeferencing and geocoding salon addresses with Google Maps API to map locations and create dynamic visualizations using Plotly. Analyzed more than 40,000 cases of diabetes from the national diabetes database to identify befitting machine learning algorithms (e.g., XGBoost, Decision Trees, Logistic Regression) that could successfully classify diabetics with a 96% accuracy based on gender, age, and demographics. Executed data processing on AWS, leveraging EC2 to perform ETL of tweets populating a Postgres DB on RDS, and implemented Spark ML on Databricks to train sentiment classification models using QuickSight to present findings.

Radiation Specialist at Radiation Protection Bureau, Health Canada

October 1, 2021 - October 31, 2023

Developed an analysis of environmental samples from the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), a global network that monitors the atmosphere for radioactive particles and gases from nuclear explosions to determine predictors of nuclear explosion. Analyzed over two decades of environmental filter data from the Canadian Radiological Monitoring Network (CRMN), using Python for exploratory data analysis to identify trends in radiological phenomena. Developed analysis pipelines to display visualizations and accuracy of analysis using Seaborn and Matplotlib for distribution within the Radiation Protection Bureau on a monthly basis in townhall committees of more than 150 attendees. Provided expert scientific recommendations and statistical analyses on dietary radiation dose exposure for Canadians and assisted in writing the upcoming Environmental Radioactivity in Canada (ERIC) report.

Technologist at Environment and Climate Change Canada

January 1, 2018 - August 31, 2018

Conducted extensive literature review on Chromium species’ physical properties and environmental behaviors, and gathered and synthesized key scientific information in a comprehensive final work term report. Assisted in the development of a scientific test method for measuring chromium species in atmospheric particulate matter.