Debanu Saha
@utpalnandy
Seasoned Solution Architect and Data Engineer specializing in cloud automation.
What I'm looking for
Experienced Python Backend & Data Engineer with 10+ years of expertise building cloud-native backend services, data pipelines, and automation frameworks at enterprise scale. Skilled in Python-based API development, distributed data processing, and event-driven architectures, with hands-on experience across AWS, Azure, and multi-cloud ecosystems. Strong practitioner of Infrastructure as Code (Terraform, CloudFormation), API design, CI/CD pipelines / data pipeline optimization, and DevOps practicess, enabling reliable and repeatable production deployments. Proven ability to bridge backend engineering with data engineering to deliver reliable, high-impact business solutions.
Experience
Work history, roles, and key accomplishments
Senior Python Developer
Tata Consultancy Services
Sep 2024 - Present (1 year 9 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%.
Designed Python backend automation for GoCloud provisioning workflows on AWS (EC2, VPC, IAM), reducing end-to-end provisioning time by 40%. Built REST APIs and CI/CD pipelines (GitHub Actions) with Terraform Cloud/IaC and automated Robot/Selenium testing, improving monitoring/verification efficiency by 30% and overall provisioning performance by 25%.
Senior Data Analyst
Tata Consultancy Services
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%.
Architected an Azure Data Lake platform for flight and engine telemetry analytics, using Azure Data Factory to ingest multi-provider data and reduce downstream query latency by 30%. Built Python ETL and data workflow CI/CD, implemented data quality and monitoring (reducing manual ops by 50%), and developed engine-health REST APIs and authorization services adopted by 12+ internal teams.
Senior Data Engineer
TeamLease Services Ltd.
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.
Senior Data Analyst
TeamLease Services Ltd.
Mar 2018 - Mar 2021 (3 years)
Developed ML and statistical forecasting models in Python to predict customer churn and forecast monthly sales/demand, improving customer retention by 36% and achieving ~90% forecast accuracy. Built KPI dashboards in Power BI/Tableau and streamlined Databricks ETL to reduce data prep time by 30% and increase conversion rates by 25% via A/B testing and experimentation analytics.
Senior Software Developer
Accenture
Oct 2014 - Feb 2018 (3 years 4 months)
Developed Flask-based web applications and payment integrations, improved query performance and test coverage, reducing load times by 15% and bugs by 20%, and saved 45 weekly manual hours through automation.
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.
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.
West Bengal University of Technology
Bachelor of Technology (B.Tech), Electronics & Communication Engineering
Grade: 7.6 GPA
Earned a B.Tech in Electronics & Communication Engineering from West Bengal University of Technology. Graduated with a 7.6 GPA.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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