Swapnasubham Das

Data Engineer | Senior Software Engineer | Tech Enthusiast

About Me

Experienced Database Engineer with 9+ years of expertise in database development, performance optimization, and production support for enterprise-scale business applications. Strong background in SQL, Python, cloud data platforms, and DevOps practices, with hands-on experience across multiple database technologies. Proven ability to optimize complex queries, improve system performance, and collaborate effectively across teams.

Technical Skills

Programming & Tools: SQL, Python, Unix, Git
Databases: Oracle, PostgreSQL, SQL Server, Snowflake
Performance Tuning: Query optimization, Indexing, Statistics management, Execution plan analysis
DevOps & Cloud: Docker, Kubernetes
Machine Learning: Supervised learning and Unsupervised learning
Other: Root cause analysis, production support, documentation

Experience

Position	Company	Duration
Senior Software Engineer	Opentext Corporation	Oct 2023 - Present
DevOps Engineer	Impetus Technologies	Sep 2022 - Oct 2023
Programmer Analyst	Cognizant Technology Solutions	Mar 2022 - Sept 2022
IT Analyst	Tata Consultancy Services	Mar 2016 - Mar 2022

Projects

Project 1: Documentum Query Optimization

Leading a query optimization initiative to improve database performance through analysis and tuning of complex SQL queries

Technologies: Oracle, PostgreSQL, SQL Server, Docker, K8s
Timeline: 2 Years 6 Months

Project 2: LeapLogic

Managed source code using Git and automated deployments using Ansible and BMC Change Management

Technologies: Git, Ansible, Jenkins,BMC Change Management
Timeline: 11 Months

Project 3: ING Bank Reports

Improved performance of existing queries and supported Snowflake-based cloud data warehousing solutions

Technologies: Oracle, PL/SQL, Snowflake
Timeline: 6 Months

Project 4: Credit Analysis Tool

Developed stored procedures, packages, and SQL queries to support Java and frontend teams

Technologies: Oracle, PL/SQL, Java, Splunk
Timeline: 5 Years 6 Months

Education

Degree	Institution	Year
Advanced Certification in Applied Data Science, Machine Learning	Electronics & ICT Academy, IIT Guwahati	2025
Bachelor in Computer Science	Academy Of Technology, Adisaptagram	2015

Certification

Oracle Database 12c: SQL Fundamentals – Oracle

Recognition

Star of the Month – Impetus Technologies - Awarded for outstanding performance for three consecutive months

Contacts

Email: swapnasubham.das@gmail.com

Phone: +91-8420839807

Location: Kolkata, West Bengal