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Rafia Ibrar

@rafiaibrar

Data Engineer at SIEMENS building Azure and Databricks pipelines, with experience delivering governed Lakehouse platforms across enterprise domains.

Portugal

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At SIEMENS, I design and optimize data pipelines for enterprise planning data on Azure and Databricks. I build SQL and dbt models across staging, transformation, and reporting layers, and work with Snowflake to support governed analytics.

At PANDORA, I built and maintained Databricks and PySpark pipelines for analytics and reporting. I also optimized Delta Lake operations and supported production reliability, CI/CD releases, and curated Power BI datasets.

At SYMUFOLK, I migrated legacy workflows to Azure, improving pipeline performance by 40%, and automated data quality checks that reduced manual QA effort by 70%. I also integrated LLM workflows with LangChain and deployed Azure Logic Apps workflows that reduced manual intervention by 50%.

Earlier, at IBM BALTICS, I developed Python, Scala, and Spark pipelines across Azure services. In freelance consulting, I delivered data engineering solutions for clients in e-commerce, healthcare, and SaaS, using cloud platforms and tools including Snowflake, dbt, and Apache Airflow.

Experience

Work history, roles, and key accomplishments

Current

Data Engineer

Current

Siemens

Jan 2026 - Present (9 months)

Designed and optimized scalable data pipelines for enterprise planning data, developed robust data models using advanced SQL, and resolved data quality issues. Collaborated with cross-functional stakeholders to deliver reliable data solutions.

SQL DBT Snowflake Azure Databricks Jira Confluence Data Modeling Data Quality ETL

Data Engineer

Pandora

Jun 2025 - Jan 2026 (7 months)

Built and maintained scalable ETL/ELT pipelines using Databricks and PySpark, designed data warehouse models in Snowflake, and ensured data quality and reliability. Managed CI/CD pipelines and resolved production issues.

Databricks PySpark Snowflake Azure Synapse Azure DevOps Delta Lake Unity Catalog Power BI Jira Confluence ETL ELT Data Warehouse CI CD

Data Engineer

SymuFolk

Sep 2023 - Jul 2025 (1 year 10 months)

Designed and maintained scalable ETL pipelines using Databricks and PySpark, migrated legacy workflows to Azure, and implemented DBT models. Integrated Unity Catalog and LLMs into data workflows.

Databricks PySpark Azure Data Factory Azure Synapse Blob Storage DBT Snowflake Unity Catalog Lang Chain LLM Python SQL Power BI Terraform Azure Logic Apps Minio Cassandra Elasticsearch Docker

Data Engineer

IBM Baltics

Mar 2022 - Aug 2023 (1 year 5 months)

Developed scripts using Python, Scala, and Spark to process data from Azure Data Lake Storage, designed workflows with Azure Data Factory, and integrated Azure Event Hubs for streaming data. Implemented event-driven architecture and optimized data pipelines.

Python Scala Spark Azure Data Lake Storage Azure Synapse Azure Data Factory Azure Event Hubs Databricks Azure Blob Storage DevOps

Freelance Data Engineer

Upwork & Independent Consulting

Jan 2021 - Mar 2022 (1 year 2 months)

Delivered end-to-end data engineering solutions for international clients, designed ETL/ELT pipelines, and built cloud-native data platforms on Azure and AWS. Implemented data models and automated workflows.

Python SQL Apache Spark Azure Data Factory Snowflake DBT Airflow Power BI Git CI CD Agile

Junior Data Engineer

Databridge Analytics

Jun 2021 - Feb 2022 (8 months)

Designed ETL pipelines using Apache Spark and SQL, integrated MongoDB, Kafka, and Snowflake, and supported LLM-based summarization features. Automated deployment pipelines using GitHub Actions and Azure DevOps.