Nouman M.

Top Rated Data Engineer and Visualisation Expert

I'm a Data Engineer specializing in building reliable data pipelines, ETL/ELT workflows, API integrations, data warehouses, and automated data infrastructure. I help businesses turn raw, fragmented data into clean, reliable, and accessible datasets that power analytics, reporting, business intelligence, and operational systems. WHAT I BUILD Data Pipelines & ETL/ELT • End-to-end ETL and ELT data pipelines • Batch and scheduled data processing • Data ingestion from APIs, databases, files, and third-party platforms • Data transformation, cleansing, validation, and normalization • Automated data synchronization between systems • Scalable and maintainable data workflows Data Warehousing & Databases • Data warehouse and data lake solutions • PostgreSQL, MySQL, SQL Server, and other relational databases • BigQuery, Snowflake, and cloud data warehouses • Database design, schema optimization, and data modeling • Fact and dimension tables • Star and snowflake schemas • SQL development and query optimization API & Data Integration • REST API integrations and data extraction • Webhooks and event-based data ingestion • Third-party platform integrations • CRM, ERP, e-commerce, marketing, and operational data integration • Cross-platform data synchronization • Automated API data pipelines and scheduled extraction Data Orchestration & Automation • Apache Airflow and workflow orchestration • Scheduled and dependency-based data pipelines • Error handling, retries, logging, and monitoring • Automated data processing and reporting workflows • Pipeline scheduling and operational automation Data Transformation & Analytics • Advanced SQL transformations • Python-based data processing • Pandas and data manipulation • Data cleaning and validation • Aggregations and business logic • Analytics-ready datasets • BI and reporting data preparation Data Quality & Reliability • Data validation and quality checks • Duplicate detection and data cleansing • Pipeline monitoring and failure handling • Data consistency and integrity checks • Automated testing and validation • Reliable production data workflows WHY CLIENTS HIRE ME • $400,000+ earned on Upwork • 50+ projects successfully delivered • Strong experience building automated data workflows and integrations • Focus on reliable, maintainable, and scalable data solutions • Business-focused approach to solving data problems • Clear communication and dependable delivery TOOLS & TECHNOLOGY Programming: Python | SQL | Pandas | JavaScript Data Engineering: ETL | ELT | Data Pipelines | Data Transformation | Data Modeling | Data Quality Databases: PostgreSQL | MySQL | SQL Server | MongoDB Data Warehousing: BigQuery | Snowflake | Cloud Data Warehouses Orchestration: Apache Airflow | n8n | Workflow Automation Cloud & Infrastructure: AWS | Google Cloud | Azure Integrations: REST APIs | Webhooks | JSON | CSV | Excel | Third-Party APIs Platforms: Salesforce | HubSpot | Shopify | Stripe | Google Workspace | CRM Systems | SaaS Platforms If you're looking for a Data Engineer, ETL Developer, Python Data Engineer, SQL Developer, Data Pipeline Developer, API Integration Developer, or Data Warehouse Engineer, I can help you build reliable data infrastructure that turns your raw data into something your business can actually use. #DataEngineering #DataEngineer #ETL #ELT #DataPipelines #Python #SQL #DataWarehouse #DataIntegration #ApacheAirflow #BigQuery #Snowflake #PostgreSQL #AWS #DataModeling #APIIntegration #DataAutomation #DataMigration #DataAnalytics #BusinessIntelligence