Open to opportunities

Debanu Saha

@utpalnandy

Sr Data Engineer with 10+ yrs experience in designing and operating large-scale data platforms, CI/CD pipelines, data lakehouse,Azure &AWS echo system

Germany

Message

What I'm looking for

I seek roles that leverage cloud architecture, automation, and data engineering to solve complex problems, foster collaboration, and deliver measurable business outcomes in a growth-oriented, cross-functional team.

Deep hands-on expertise in Apache Spark (PySpark), Airflow, Kafka, Delta Lake, and Kubernetes, with proven ability to build end-to-end batch and streaming pipelines processing hundreds of millions of records daily. Strong background in data modeling, schema evolution, data quality engineering, and pipeline optimization. Experienced in building metadata-driven ingestion frameworks, medallion-architecture data lakes, and ML-ready feature stores. Skilled at bridging data engineering with backend development and DevOps to deliver production-grade, fault-tolerant data systems.

Experience

Work history, roles, and key accomplishments

Current

Backend /Data / Automation Engineer

Current

Tata Consultancy Services

Sep 2024 - Present (1 year 10 months)

Designed and automated end-to-end AWS provisioning with Terraform and GoCloud, reducing provisioning time by 40% and improving infrastructure reliability by 25%; defined GitHub Actions CI/CD for testing and deployment, cutting manual efforts by 50%.

Python Terraform AWS GitHub Actions Robot Framework Selenium IAM API Design

Sr Data Engineer/Python Developer

Tata Consultancy Services,germany

Apr 2021 - Aug 2024 (3 years 4 months)

Led data architecture and CRM integration for predictive analytics on Azure, implementing Databricks and Data Factory to cut data processing time by 30% and improve forecast accuracy to 90%.

Databricks Azure Data Factory Python Predictive Analytics Power BI ETL CRM DevOps

Sr Data Engineer/Analytics Engineer

TeamLease Services Ltd/Tata Consultancy Sevices

Mar 2018 - Mar 2021 (3 years)

Architected a modular Azure data lake and CI/CD pipelines using Terraform and Azure DevOps to centralize aviation data, reducing manual processing by 50% and improving scalability for analytics.

Data Lake Azure DevOps Terraform Python Docker Kubernetes APIs ETL

Python Developer

Accenture

Oct 2014 - Feb 2018 (3 years 4 months)

Developed Flask-based Python backend applications and REST APIs for enterprise clients, reducing application load time by 15% and improving data retrieval performance by 25% via SQL/PostgreSQL optimizations. Implemented automated testing with PyTest to reduce production defects by 20%, and delivered Agile improvements and automation that saved ~45 hours/week while modernizing legacy services.

Python Flask REST APIs SQL PostgreSQL Pytest Unit Testing Performance Optimization Agile Delivery

Education

Degrees, certifications, and relevant coursework

West Bengal University of Technology

Bachelor of Technology, Electronics & Communication Engineering

Grade: 7.6 GPA

Completed a Bachelor of Technology in Electronics & Communication Engineering with a 7.6 GPA, covering core topics in electronics, communication systems, and engineering fundamentals.