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Muhammad Hamza J.

Muhammad Hamza J.

Principal Data Engineer | PySpark, SQL, Airflow, Databricks, Snowflake

⭐️⭐️⭐️⭐️⭐️ “Hamza transformed our scattered data into a clean, scalable, and analytics-ready system. His command over modern data pipelines, orchestration, and cloud platforms made our transition seamless from day one.” – CTO, US-based Startup Are you looking for a Data Engineer who can design, build, and optimize end-to-end data ecosystems... from ingestion and transformation to analytics and machine learning readiness? I help startups and teams turn raw, messy, and siloed data into reliable, insight-driven systems — enabling everything from BI dashboards to AI model pipelines. 🧠 Core Data Engineering Expertise ✅ Data Pipeline Development – Batch & streaming pipelines using Airflow, Prefect, or Dagster ✅ ETL / ELT Workflows – Building robust data transformation layers with dbt and Python ✅ Data Warehousing – Designing scalable warehouses in Snowflake, BigQuery, or Redshift ✅ Data Lake Architecture – Implementing lakehouses on AWS S3, GCP, or Azure Data Lake ✅ Real-Time Data Processing – Kafka, Spark Streaming, or Flink for event-driven systems ✅ Data Modeling & Quality – Star/snowflake schema design, validation, and observability ✅ APIs & Automation – Building FastAPI / Flask APIs to integrate or expose data services ⚙️ Tools & Tech Stack Languages: Python, SQL, Bash Frameworks: Airflow, dbt, Spark, Pandas, PySpark Databases: Snowflake, BigQuery, Redshift, PostgreSQL, MongoDB Cloud & Storage: AWS (S3, Glue, Lambda), GCP (Dataflow, BigQuery), Azure Orchestration: Airflow, Prefect, Dagster DevOps & Deployment: Docker, Terraform, GitHub Actions, CI/CD Monitoring: Great Expectations, DataDog, Prometheus 🔍 What I Deliver End-to-end ETL/ELT pipelines optimized for reliability and scalability Data warehouses and lakehouses are ready for BI and ML workloads Real-time data streaming and ingestion from multiple sources Automated data validation and observability to ensure accuracy Secure, cloud-native infrastructure that grows with your business 💬 Why Clients Choose Me I don’t just move data... I build data systems that deliver trust, speed, and insight. Every project includes structured documentation, reproducible pipelines, and deployment automation, so your team can scale with confidence. If you need a Data Engineer who can transform fragmented data into a high-performance, analytics-ready ecosystem; Let’s connect.

🇵🇰Lahore, Pakistan$30/hr100% JSS4.99 (15)Since Aug 2015
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Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#192,430 / 412k
🇵🇰Country#20,502 / 52.9k
Revenue, last 30 days
$0
Total earnings
$11k

Billed in all: $11k

World#192,430 / 412k
🇵🇰Country#20,502 / 52.9k
Per project
$553
Projects, last 6 months
0
World#209,850 / 412k
🇵🇰Country#32,103 / 52.9k
Projects in all
19

Across 21 contracts

76% fixed24% hourly
World#138,388 / 412k
🇵🇰Country#22,977 / 52.9k

Earnings, last 30 days

$10.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$10.2k$10.4k$10.6k$10.8kOct 8Oct 23Nov 7

Skills