R

Rafia Ibrar

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Data Engineer | Databricks | Azure | Snowflake | DBT | PySpark | SQL | Unity Catalog | LLMs | LangChain | Scalable Data Pipelines & AI Integration
Maia, Porto District, Portugal

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Résumé


Jobs verified_user 0% verified
  • Multivision Consulting
    Data Engineer
    Multivision Consulting
    Jan 2026 - Current (10 months)
    - Designed, built, and optimized scalable data pipelines for ingesting enterprise planning data into a cloud-based analytics platform - Developed and maintained robust data models using advanced SQL across staging, transformation, and reporting layers following best practices - Processed and transformed high-volume datasets from multiple heterogeneous source systems, ensuring data integrity and performance optimization - Implemented enhancements by adding new fields, dimensions, and attributes to existing pipelines to support evolving business requirements - Identified and resolved schema inconsistencies, improving data reliability and reducing pipeline failures Diagnosed and remediated data quality issues using validation checks, improving
  • Pandora
    Data Engineer
    Pandora
    Jun 2025 - Jan 2026 (8 months)
    -Built and optimized large-scale ETL pipelines using Databricks (PySpark, SQL, Delta Lake, Unity Catalog) for global analytics workloads. -Configured, monitored, and troubleshot Azure Synapse Link for near–real-time data movement, resolving sync failures and schema drift issues. -Improved platform performance by fine-tuning PySpark workloads, implementing reusable transformation logic, and optimizing Delta Lake operations. -Managed CI/CD pipelines in Azure DevOps, driving code reviews, branching strategies, and controlled release deployments. -Diagnosed and resolved high-priority production issues (failed jobs, data inaccuracies, performance bottlenecks) using Jira. -Ensured SLA compliance through daily monitoring, proactive debugging, and
  • Symufolk
    Data Engineer
    Symufolk
    Sep 2023 - May 2025 (1 year 9 months)
    -Designed and maintained scalable ETL pipelines using Databricks and PySpark, processing multi-terabyte datasets daily. -Migrated legacy data workflows to the Azure ecosystem (ADF, Synapse, Blob Storage), improving pipeline performance by 40%. -Implemented DBT models for modular, version-controlled transformations in Snowflake, improving code reuse and testing. -Integrated Unity Catalog for data governance and lineage across multiple teams and environments. -Spearheaded integration of LLMs into data workflows using LangChain, enabling auto-documentation, natural language queries, and advanced summarization. -Automated data quality checks and anomaly detection using Python and SQL, reducing manual QA effort by 70%.
  • IBM
    Data Engineer
    IBM
    Mar 2022 - Aug 2023 (1 year 6 months)
    Developed scripts using Python, Scala, and Spark to read CSV, JSON, and Parquet files from Azure Data Lake Storage. - Loaded and processed data into Azure Data Lake Storage and Microsoft Azure Synapse Analytics for advanced analytics and reporting. - Designed and managed workflows with Azure Data Factory for scheduling and orchestrating Spark jobs. - Utilized Azure Event Hubs to ingest high-volume streaming data from multiple external sources. - Implemented event-driven architecture to enable efficient, real-time data ingestion pipelines. - Integrated Apache Spark (PySpark and Scala) within Azure Databricks for distributed, scalable data processing. - Leveraged Python to develop and optimize data pipelines, achieving a 20% increase in proce
  • D
    Junior Data Engineer
    DataBridge Analytics
    Jun 2021 - Feb 2022 (9 months)
    helped me get this job
Education verified_user 0% verified
  • P
    bachelor, Bachelor of Science - BS, Data Science
    PUCIT - FCIT
    Jan 2017 - Jan 2021 (4 years 1 month)
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