Karima Touati

• Applying data cleaning and data transformation techniques to improve data quality, reliability, and integrity, while also monitoring and ensuring adherence data governance practices and taking corrective actions to optimize data flow performance.
• Assisting other departments in monitoring and analyzing relevant data to drive decision-making:
o Led the development of an automated process to generate a dynamic dashboard that presents key insights into card activity, such as the number of transactions, transaction amount, card types used by channel and transaction type, and more.
o Responsibilities included: Project scoping, Datamart design, ETL flows development, Data valida tion/testing, Data Visualization development (Power BI, DAX, Power Query, Qliksense), Workflow auto mation, Monitoring/observation and deployment.
• Implementing and maintaining data integration solutions, including ETL processes via Talend Open Studio and Talend Management Console.
• Designing and executing data extraction, aggregation and analysis from multiple data sources.
• Automating and scheduling scripts to facilitate continuous monitoring via Python, Talend, and Qlik NPrinting.
• Assisting the business units in defining their reporting needs and drafting functional specifications.
• Conducting training sessions and creating user documentation to promote self-service analytics.
• Supervising and mentoring interns, providing guidance and support to help them develop their skills and suc cessfully complete their projects.

STAR Assurances (Tunisian subsidiary of the French group GROUPAMA) - Tunis, Tunisia.
• Monitoring the automobile portfolio: analysing and identifying the abnormal risks of the portfolio and determining the means allowing the restatement of the results by establishing an appropriate action plan.
• Handling the Motor pricing using Generalized Linear Model (GLM) and machine learning algorithms to model and analyse the severity and the frequency of vehicles claims.
• Supplying the data and contributing to the implementation of IFRS 17 in close collaboration with Groupama Group and EY Tunisia.
• Analysing portfolio trends, projecting its change, tracking its performance and identifying reasons behind change.
• Generate ad-hoc SQL queries using joins, database connections and transformation rules to retrieve data from database systems using SAS Enterprise Guide, PostgreSQL, R, sqldf (R package).
• Create an internal database tracking the history of inventories in terms of claims or premiums to be used in actuarial calculations and periodic reporting.
• Performing data preprocessing for both structured and unstructured data, data analysis and data visualization of business problems (several ppt presentations were made).

• Taught and supervised students on a regular basis to help them improve their knowledge on multivariate analysis and R programming using statistical methods : PCA, MCA.
• Prepared teaching materials and different types of academic activities

• Taught and supervised students on a regular basis to help them improve their knowledge on Risk Management and R/VBA programming for the calculation of a portfolios Value at Risk (VaR).
• Assisted undergraduate students with modelling data and preparing graphical representations using RStudio and VBA.

• Help in the calculation of life & non-life reserves, determination of premium rates, and the development of new products and features.
• Perform actuarial research and review of all models and assumptions used in actuarial calculations and analysis.

• Development of non-life insurance claims reserving libraries (Chain Ladder, Mack, Bootstrap).
• Creation of an Rshiny application for reserving and data visualization.

• Forecasting Consumption for Petroleum Products in Tunisia using Time Series Models (SARIMA) with R.

• Creating a real time dashboard for HR department using advanced-level calculations on the data set by making DAX queries in Power BI desktop.
• Connecting data sources, importing data, and transforming data for Business Intelligence.