Summary
Overview
Work History
Education
Skills
Timeline
Generic

Sindhuja Nagarajan

Chennai

Summary

Responsive expert experienced in monitoring database performance, troubleshooting issues and optimizing database environment. Possesses strong analytical skills, excellent problem-solving abilities, and deep understanding of database technologies and systems. Can improve automation of any processes to 5x. Equally confident working independently and collaboratively as needed and utilizing excellent communication skills.

Overview

15
15
years of professional experience

Work History

GCP Data Engineer

Mindsprint Digital (India) Private Limited
03.2025 - Current
  • Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
  • Reviewed project requests describing database user needs to estimate time and cost required to accomplish projects.
  • Established and secured enterprise-wide data analytics structures.
  • Developed and delivered business information solutions.
  • Collaborated with system architects, design analysts and others to understand business and industry requirements.

Freelance

Gen-Ai Developer
12.2024 - 03.2025
  • Fine-tuned LLAMA1b model with Customer Care dataset
  • Fine-tuned LLAMA3b model with Diagnosis dataset
  • Built a fully functioning deployable Ai RAG pipeline for processing pdf data inputs for PG Medical students to learn concepts quickly
  • Building MVP for one of the clients as a freelancer
  • Langchain, Langgraph, based framework development
  • n8n, agno, AI Agent workflow optimization

Customer Experience Manager

Everstage
05.2024 - 12.2024
  • Reduced SLA to 5x and stabilized team within a month.
  • Provided Data Engineering pipeline planning in fivetran, Hevo data.
  • Handled 15 members team, helping them achieve efficiency over short period of time. Provided a full function to handle support queries within 8 months of my time with the team.

Backend Developer

Latent view Analytics
02.2024 - 05.2024
  • Designed and implemented scalable ETL pipelines using Azure Data factory, transforming complex datasets for analytics and reporting.
  • Low level design pipeline for AWS glue, AWS EC2 Developed and maintained comprehensive C-DV data models, ensuring alignment with business and operational requirements.
  • Integrated automated code quality checks into CI/CD pipelines using tools like SonarQube, ESLint, and Pylint.

Lead - Data Migration & Engineering

Chargebee Technologies
11.2021 - 02.2023
  • Developed a data pipeline that enabled ~2000 merchants to be absorbed by Chargebee in a short period of time.
  • Performed data migration for Chargebee's customer legacy data (from databases like Snowflake, Big Query, Oracle or SaaS tools like Stripe, Quick books, Recurly) into Chargebee application in MySQL with high accuracy and integrity.
  • Developed the ETL Modules in Python and Unit Testing module that mimics the API behavior to test the errors in large datasets.
  • Created Proof of Concept to achieve a 10x quicker way of migrating data using AWS EC2, Redshift, S3, lambda Talend based data pipelines.
  • Built a Python app to perform mapping of legacy and Chargebee schema using Flask, pyarrow and panda's module.

Senior Software Engineer

BNP Paribas
02.2018 - 11.2021
  • Developed a Python tool to improve batch processing steps to improve the speed 20x times and to provide 100% accuracy also eliminating all the manual steps.
  • Developed Azure Dev-Ops pipeline from Server Creation to Application deployment using Jenkins/Ansible. Which can put together environments on cloud quickly and perform validation of vendor products 10x faster identifying synchronization issues in multi-cluster application setup.
  • Automated Python, SQL (for Oracle DB) and Unix Scripts to onboard and vendor application 'Xelerate' to BNP infrastructure.

Senior Security Analyst

Standard Chartered Bank Global Business Services
01.2016 - 01.2018
  • Performed Identity Governance and worked on Developed internal tool for Privileged Identity Management in Python.
  • Built internal tool for Dormant Account Review in Oracle APEX tool and Oracle Database as backend.
  • Built VBS automations to improve the speed of retrieval data from legacy excel output and improved speed by 50x and 100% reduction in manual errors.

Lead Engineer

HCL Tech
01.2015 - 12.2015
  • As an SME performed Historical data loading for go-live single-handedly end to end. Using Python based Transform Modules and Loading using SQL Loader on Oracle Database.
  • Built a data flow across Unix and Windows platform building Unix and batch scripts to handshake using Oracle event tables for Lloyds Banking Group.
  • Extended an ongoing data flow architecture introducing XLS and XLSX format inbound files. Performed go-live overnight with 0 seconds downtime.

Project Manager

Wipro Technology
10.2010 - 01.2015
  • Built automations to create employees of Wipro using OIM tool. Maintained DevTest and Prod Infrastructures of OIM App / DB.
  • Performed internal audits and maintained 3 cross locations, teams covering multiple technologies for CITI Groups.
  • Worked with CISO and CISM to maintain Infrastructure Identity Management and Governance for CITI Groups.

Education

B.E -

Anna University
Chennai

Skills

  • Machine learning
  • Data governance
  • Data curating
  • Performance tuning
  • Data pipeline control
  • ETL development
  • Data integration
  • Data security
  • Data modeling
  • API development
  • Scripting languages
  • Data warehousing
  • SQL and databases
  • Advanced analytics

Timeline

GCP Data Engineer

Mindsprint Digital (India) Private Limited
03.2025 - Current

Freelance

Gen-Ai Developer
12.2024 - 03.2025

Customer Experience Manager

Everstage
05.2024 - 12.2024

Backend Developer

Latent view Analytics
02.2024 - 05.2024

Lead - Data Migration & Engineering

Chargebee Technologies
11.2021 - 02.2023

Senior Software Engineer

BNP Paribas
02.2018 - 11.2021

Senior Security Analyst

Standard Chartered Bank Global Business Services
01.2016 - 01.2018

Lead Engineer

HCL Tech
01.2015 - 12.2015

Project Manager

Wipro Technology
10.2010 - 01.2015

B.E -

Anna University
Sindhuja Nagarajan