
Business Intelligence & Visualization
Power BI (Dashboards, DAX, Power Query), Tableau, Streamlit
Programming & Scripting Languages
SQL, T-SQL, Python (Pandas, NumPy, SQLAlchemy), C#
Data Modeling & Analytics
Star Schema, Snowflake Schema, Fact & Dimension Tables, KPIs, Metrics Development, Trend Analysis
ETL / ELT & Automation
Apache Airflow, AWS Lambda, Python ETL, Incremental Loads, CDC, Data Validation
Databases & Data Warehousing
Microsoft SQL Server, PostgreSQL, MySQL, Snowflake, Amazon Redshift, Google Big Query
Cloud Platforms
AWS (S3, Lambda, Redshift), Databricks, GCP
Version Control & CI/CD
Git, GitHub, GitLab, CI/CD Pipelines
Data Quality & Governance
Data Accuracy Checks, Reconciliation, Error Handling, Data Integrity, Documentation
Reporting & Business Analysis
Month-End & Year-End Reporting, Ad-hoc Analysis, Business Requirements Gathering, Stakeholder Collaboration
Operating Systems & Platforms
Windows, Linux, UNIX
Development & Database Tools
SQL Server Management Studio (SSMS), Power BI Service, pgAdmin, MySQL Workbench
Methodologies
Agile, Scrum