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Usman A.
@usmanashraf405
Helping SMEs with Data and AI
Pakistan
English
About me
Welcome to the world of Data and AI! 🚀
I help SMEs go from scattered data to production-ready AI. Google Certified Data Engineer with 7+ years shipping for brands like Nike, Under Armour, and high-growth startups.
Here's what I offer:
✅ RAG pipelines for LLMs and AI agents
✅ Marketing attribution pipelines (Meta, LinkedIn, GA4)
✅ Data warehouses on Snowflake, BigQuery, Redshift
✅ AI integrations (OpenAI, Gemini, Claude)
✅ ETL with Airflow, dbt, Fivetran
Drop me a message, let's turn your data into an unfair advantage.
Skills
Usman A.
Offline •
Average response time: 17 hours
See my services
Data Warehouse
I will migrate your data warehouse to snowflake, bigquery or redshift
Data Warehouse
I will build a complete data warehouse using snowflake or bigquery
Portfolio
Work experience
Senior Data Engineer
Scout • Freelance
Feb 2025 - Feb 2026 • 1 yr
Led a large-scale data migration from PostgreSQL to Snowflake that cut infrastructure costs dramatically while improving performance. - Migrated 250 million records from PostgreSQL to Snowflake using clustering strategies, preserving all table relationships and referential integrity. - Reduced monthly database spend from $4,000 to $40 by moving analytical workloads off PostgreSQL and leveraging Snowflake's columnar architecture. - Cut warehouse processing time from 84 hours to 2 hours through query optimization and proper table clustering. - Implemented Elasticsearch infrastructure to automate search and indexing for a rapidly scaling dataset. - Ensured smooth production operation as the platform's data volume continued to grow.
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-3 out of 3 Reviews
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murphy570
United States
Professional and reliable service for data warehouse migration. Smooth transition, fast delivery, and excellent optimization for Snowflake, BigQuery, and Redshift. Highly recommended!
Helpful?
amali200
Sri Lanka
Had an amazing experience with Usman! He communicated very clearly from the start and understood the requirements completely before jumping to a solution. The integration was completed successfully and the results are looking quite promising. I would highly recommended him for ChatGPT and OpenAI integration needs and will be hiring him again soon!
Up to $50
Price
3 days
Duration
Helpful?
fahadr123
Pakistan
It was an amazing experience with Usman and I would definitely hire him for my other projects. His communication was very clear throughout the project and delivered exactly what we were looking for. In fact, he even resolved some existing issues with our script. Highly recommended guy for ChatGPT Integration and other AI needs!
Up to $50
Price
2 days
Duration
Seller's Response
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