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Debanu SahaDS
Open to opportunities

Debanu Saha

@utpalnandy

Seasoned Solution Architect and Data Engineer specializing in cloud automation.

Hungary
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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.

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

TS
Current

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%.

TS
Current

Python Backend Engineer

Sep 2024 - Present (1 year 9 months)

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%.

TS

Senior Data Engineer

Apr 2021 - Aug 2024 (3 years 4 months)

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.

TL

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.

TL

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.

AC

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.

Accenture logoAC

Python Developer

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.

Education

Degrees, certifications, and relevant coursework

West Bengal University of Technology logoWT

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.

WT

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.

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