VamsiKumar G.
AI & Cloud Engineer | Python & Data Pipeline | RAG Systems
I build intelligent AI systems that turn messy data into business decisions. What I Deliver: - RAG Systems: Built RAG systems processing enterprise document volumes with sub-second response times - Cloud Infrastructure: Architected AWS infrastructure with Terraform for cost-effective, scalable deployments - Data/ETL Pipelines: Built automated pipelines with Python, PySpark, Delta lake, Data lake and Airflow processing high-volume production workloads Recent Work: ✓ Built intelligent document chat with inline citations using AWS Bedrock and vector search ✓ AWS infrastructure automation with Terraform enabling reproducible deployments across environments ✓ Customer analytics platform processing real-time event streams with PySpark for behavioral insights ✓ Migrated legacy supply chain ETL workflows to Apache Airflow improving pipeline reliability ✓ Containerized ML models with Docker for consistent development-to-production workflows Tech Stack: - AI/ML: AWS Bedrock, RAG systems, NLP, intelligent document processing - Cloud: AWS (Lambda, S3, DynamoDB, Glue, Bedrock, Opensearch), Azure AI, Terraform - Data: Python, PySpark, Apache Airflow, ETL pipelines - DevOps: Docker, CI/CD, zero-downtime deployments I focus on practical solutions that work in production, not just demos. Whether you need to automate document processing, build intelligent search, or optimize cloud costs, I deliver scalable systems with clear communication. Available for projects starting at 10-20 hours/week. Let's discuss your needs, I typically respond within 2-4 hours.
Earnings and projects
Last 6 months ÷ 5.6 months active (since May 2026)
Last 6 months: $21k
Billed in all: $24,992$25k
$21k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 4% in PySpark
Ranked by MRR among everyone on Upwork with the skill.
- #15Amazon Bedrock204 freelancers · 🇮🇳 #5Top 7%🇮🇳#5 of 70
- #17PySpark460 freelancers · 🇮🇳 #3Top 4%🇮🇳#3 of 140
- #29Apache Airflow491 freelancers · 🇮🇳 #6Top 6%🇮🇳#6 of 88
- #31Big Data559 freelancers · 🇮🇳 #4Top 6%🇮🇳#4 of 98
- #65Vector Database1,142 freelancers · 🇮🇳 #21Top 6%🇮🇳#21 of 287
- #93Data Engineering1,602 freelancers · 🇮🇳 #13Top 6%🇮🇳#13 of 245
- #107Terraform2,052 freelancers · 🇮🇳 #14Top 5%🇮🇳#14 of 409
- #152CI/CD3,691 freelancers · 🇮🇳 #32Top 4%🇮🇳#32 of 737