MAJY
Data Management ETL Testing
Skills
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Work experience
Data Management
CPM Express • Full-time
Apr 2024 - Present • 2 yrs 3 mos
Follow up on IT initiatives. Analyzing and understanding the requirements. Generating, collecting, and importing data from internal and external sources. Processing raw data using ETL inside INFORMATICA POWER CENTER. Strategic planning in order to comply related activities on time. Developing mappings according with the business rules, sessions and workflows. Creating and configuring the corresponding workflows to load the data to the DWH. Working under Scrum Framework. Good analytical skills in order to filter, to prioritize and to validate data from multiple sources. Creating different reports and manuals (SOPs) of the different processes. Providing reports according with each request required by user / customer. Monitors workflows status. Resolving issues inside ETLs processes. Designing and implementing SQL queries for data verification. Performing data validation (counts, schema, transformation rules). Execute test cases to validate the ETL process. Creating and designing reports using SQL Server Reporting Services (SSRS). Propose initiatives in order to improve the processes, environment and manages. Support and mentor to my team. Elaborate documentation for certification in order to apply the changes in Production environment. Interact with different areas: Business Analyst, QA, Customers. Good communication and detail attention. Learning continuous and adaptability skills.
Data Engineer
Freelancer.com • Full-time
Nov 2022 - Oct 2023 • 11 mos
Formulating dashboards and reporting systems based on a business’s requirements. Developing, testing, and maintaining dashboards and interfaces. Translating data into business terms that users can understand. Creating data visualizations, such as graphs and charts, for easy presentation. Working with other members of the BI team and clients. Writing and optimizing SQL queries and DAX to extract data and enhance performance. Combine and transform data from different sources using Power Query. Creating data models, defining relationships, and using ETL processes to clean and prepare data for reporting. Gathering raw data from diverse sources such as relational databases, CRM, ERP and flat files. Removing inconsistencies, missing values, and duplicates using transformations in Informatica Power Center. Reformatting, filtering, aggregating, and joining data to fit business requirements. Creating and updating mappings, sessions and workflows in IPC. Assigning task to my team and mentoring them. Designing and implementing SQL queries for data verification. Performing data validation (counts, schema, transformation rules). Log, track, and re-test defects. Prepare and plan for testing by developing strategy, a test plan, and test cases for the process together Test Lead. Execute test cases to validate the ETL process.
Technology Architecture
Infosys • Full-time
Aug 2021 - Oct 2022 • 1 yr 2 mos
Formulating dashboards and reporting systems based on a business’s requirements. Developing, testing, and maintaining dashboards and interfaces. Translating data into business terms that users can understand. Creating data visualizations, such as graphs and charts, for easy presentation. Working with other members of the BI team and clients. Writing and optimizing SQL queries and DAX to extract data and enhance performance. Combine and transform data from different sources using Power Query. Creating data models, defining relationships, and using ETL processes to clean and prepare data for reporting. Experience with Scrum Framework. Good Communication Skill. Verifying that calculated measures and columns produce accurate results (Testing). Checking for null values, inconsistencies, and data type integrity (Data Quality). Comparing data displayed in Power BI visuals against SQL database queries or source files (Data Accuracy). Confirming charts and tables render data correctly, including conditional formatting. Verifying consistent fonts, colors, and layouts across all report pages. Validating that reports move correctly from development, test and production. Delegate activities to my three co-workers.