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yalamarthi_99

Sai Y

@yalamarthi_99

Data and AI engineer

India
English
About me
I am a Data Engineer with 4+ years of experience building data pipelines and dimensional models for UK enterprises. I specialize in Python, SQL, and Azure, with expertise in GenAI-enabled RAG pipelines and automated data quality governance to produce trusted, analytics-ready datasets for global stakeholders.... Read more

Skills

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yalamarthi_99
Sai Y
Offline • 

See my services

Data Engineering Consulting
I will build etl data pipelines using python sql azure gcp and dbt
From$25 / projectMore details

Work experience

Asda

Data Engineer / BI Analyst

Asda • Full-time

Jan 2023 - May 2025 • 2 yrs 4 mos

Developed and maintained data pipelines on Azure SQL cloud infrastructure for retail transaction records. Designed dimensional data models (Star Schema, SCD Type 2) which improved data efficiency and cut refresh times by 20%. Authored automated data quality checks using Advanced SQL and T-SQL, reducing discrepancy incidents by 35%. Managed Power BI semantic layers and access governance (RLS).