Summary
Overview
Work History
Education
Skills
Technical Skills & Domain Experience"
Certification
Websites
Timeline
Generic

JEGATHEESWARAN SUNDARAVADIVEL

Bangalore

Summary

Dynamic Senior Technical Lead with extensive experience in Python and Data Engineering at HCL Technologies. Skilled in designing and managing PySpark pipelines, optimizing data workflows, and enhancing system performance. Experienced in handling password secrets (encryption & decryption) and managing CI/CD processes. Adept at collaborating with cross-functional teams to deliver efficient, scalable, and secure solutions. Strong analytical skills drive impactful business outcomes.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Senior Technical Lead

HCL technologies
Bangalore
04.2021 - Current

Client: UBS Bank, Credit Suisse Investment Bank.

  • I work as a Data Engineer at UBS Wealth Management Investment Bank.
  • Designed and implemented data processing pipelines using Python, PySpark, Pandas, and Matplotlib for statistical analysis and data visualization in the Azure environment.
  • Developed and optimized data extraction workflows for equity and mutual fund (MF) forms, ensuring efficient data transfer to target servers.
  • Migrated and optimized legacy Shell and C++ scripts to Python, improving performance and maintainability.
  • Collaborated with Linux and AIX server teams for TLS upgrades, and optimized Python monitoring scripts for system health checks.
  • Developed a User Access Portal using Django, PostgreSQL, Gunicorn, and Nginx, streamlining access management.
  • Managed job scheduling and workflow automation using Control-M, creating and modifying job configurations via XML.
  • Built and deployed multiple PySpark pipelines using Apache Airflow, enhancing data processing for the Saudi region.
  • Engineered a Python-based data pipeline for seamless database migration from SQL to PostgreSQL.
  • Led the migration of Python and Shell scripts to new Red Hat servers, ensuring compatibility and performance optimization.
  • Automated file transfers between jump servers and IBM On-Demand (OD) for PE, SCR, and SIR files, using Shell scripting.
  • Provided production support, troubleshooting Python, PySpark, and Pandas scripts to resolve system issues.
  • Managed CI/CD pipelines with Bitbucket and Jenkins, ensuring smooth deployments across DEV, SIT, and UAT environments.
  • Documented development progress on Confluence, updated Jira Scrum Boards, and prepared detailed deployment instructions.
  • Maintained HP ALM Quality Center (QC) for project tracking and defect management.
  • Worked with Azure and Odyssey cloud environments for scalable, efficient, cloud-based solutions.

Technologies: Python, PySpark, Pandas, Tkinter, Django, PostgreSQL, Git, Control-M, Apache Airflow, Azure Blob Storage, AWS S3, Odyssey, FTPS.

Senior Associate

Cognizant
Bangalore
03.2019 - 04.2021

Client : Société Générale (SG) Bank,

  • Worked for Société Générale (SG) is a global investment bank, in this project i am working as Python Senior Associate
  • Developed and maintained the IPACFEF application, managing user access rights for secure server logins.
  • Designed and implemented a FastAPI-based privilege access system, streamlining server access for authorized users.
  • Built PySpark and Pandas-based data pipelines, optimizing data processing workflows.
  • Automated job scheduling and workflow management using AutoSys, ensuring efficient data processing.
  • Generated and deployed RSA keys to user machines for enhanced security.
  • Automated the Impulse ticket generation process in IPACREF for managing server access requests.
  • Refactored and optimized cron batch scripts, improving system efficiency and reducing execution time.
  • Configured Virtual Hosting and set up UAT application servers for testing and deployment.
  • Led the Linux (Red Hat) TLS upgrade, enhancing system security and compliance.
  • Migrated legacy databases to IPACREF, ensuring seamless data transition.
  • Developed and maintained the IPACRFF Active Directory (AD) sync process, improving authentication workflows.

Technologies: Python, PHP, PySpark, Pandas, FastAPI, PostgreSQL, Git, AutoSys, and Symfony.

Senior Consultant

Capgemini
Bangalore
03.2015 - 03.2019

Client: Schneider Electric.

Project: DigiQ (Presales and Order Booking Tool)

  • Developed and maintained DigiQ, a digitized quotation and order booking tool, streamlining pre-sales and procurement processes.
  • Integrated with SAP systems to fetch master data configurations via RFC connections, and automated CRON jobs.
  • Implemented workflow matrices for multi-level approval processes based on discount structures and user roles.
  • Ensured global application compatibility, adapting integration processes to various country-specific SAP systems.
  • Automated order registration in SAP via RFC, generating Purchase Server Order Numbers, and storing them in DigiQ.
  • Managed delivery scheduling based on order timelines to optimize the logistics workflow.
  • Utilized Git for version control and deployment across multiple environments.

Project: Columbus (Travel Expense & Claims Management)

  • Developed and maintained a travel expense and claims management system, enabling users to submit and track reimbursement requests.
  • Integrated with SAP systems for seamless expense tracking and approval workflows.
  • Implemented LDAP authentication for secure user access.
  • Automated data fetching from AMEX servers using CRON jobs improves processing efficiency.
  • Managed workflow matrices for claim approvals, ensuring compliance with company policies.
  • Used Git for source code management and deployment across servers.

Technologies: Python, Pandas, PyAutoGUI, PHP, CakePHP, Oracle, Git, Cron Jobs, BMC Remedy, Linux.

Web Developer

Indivar Software Solutions
Banglore / Punjab
11.2013 - 01.2015

Project: EduBold (School Education Management System)

  • EduBold is a cloud-based SaaS application designed to streamline school and college administration by automating key operations.
  • Developed and enhanced modules for student registration, admissions, fee collection, examinations, student portals, transport, library management, payroll, accounts, and inventory.
  • Implemented workflow automation to optimize various school processes and sub-processes, reducing manual workload, and improving efficiency.
  • Developed a parent portal to provide real-time access to student performance, attendance, and academic progress, enhancing communication between schools and parents.
  • Designed a management portal with comprehensive MIS reporting, enabling administrators to track institutional performance, and generate critical insights.
  • Configured and optimized the LAMP stack for application deployment and integrated MongoDB for handling unstructured data.
  • Implemented Git-based version control for source code management and automated deployments to ensure seamless application updates.
  • Ensured scalability and performance optimization, allowing the system to support multiple schools and colleges across different regions.

Technologies: PHP, Python, LAMP Stack, MongoDB, Git, Linux, SaaS, Cloud Deployment

Software Engineer

KGFSL (KG Financial Software Pvt Limited)
Coimbatore
08.2011 - 10.2013

Project : E-Campus (Comprehensive Education Institute Management)

  • E-Campus is a 100% web-based, integrated education ERP designed to streamline institutional administration and academic operations.
  • Developed modular functionalities for admissions, examinations, promotions, fee management, financial accounting, timetabling, staff payroll, library management, and inventory tracking.
  • Implemented automated workflows that integrate student and staff administration modules, ensuring seamless data flow across all departments.
  • Designed and maintained student individual portals to provide real-time access to exam results, attendance, fee payments, and course progress.
  • Developed a semester exam publishing module, enabling students to access their results efficiently.
  • Integrated hostel management features, including room allotment, transfers, and vacate requests, with an automated email notification system for administrative tracking.
  • We Implemented face detection technology using .NET for student entry-exit tracking, capturing attendance via biometric authentication.
  • Automated daily consolidated hostel reports are sent via email notifications to management for better oversight.
  • Used SVN for version control, and managed server-side deployments efficiently.

Technologies: PHP, CakePHP, PostgreSQL, SVN, HTML, CSS, jQuery, Ajax).

Education

MCA - Master of Computer Applications

KGiSL IIM
Coimbatore
01.2011

Bsc - Computer Science

Chikkanna Govt arts and science college
Tirupur
01.2008

Skills

  • Programming: Python, PySpark, Spark SQL, Pandas, Django, Flask, PHP, Perl/Shell Scripting
  • Pipeline: ETL & ELT Pipelines
  • Data & Cloud: PostgreSQL, MySQL, Oracle, MongoDB, Azure Blob Storage, AWS S3
  • Reporting & Data Visualization: Matplotlib, Seaborn, Power BI
  • Automation & Schedulers: Apache Airflow, Control-M, AutoSys, CRON Jobs
  • Web & UI: HTML, CSS, JavaScript, jQuery, Ajax, Tkinter
  • Version Control & CI/CD: Git, Bitbucket, Jenkins, SVN
  • Monitoring & Debugging: Firebug, Developer Tools, HP ALM, Jira, Confluence
  • Other Tools & Technologies: FTPS, LDAP, Red Hat Virtual Hosting

Technical Skills & Domain Experience"

  • Domain Expertise:
    Industries:
    Education, Banking, Finance, ERP
    Technologies: Python, PySpark, Pandas, Numpy, OpenCV, Apache Airflow, Control-M, Azure
  • Technical Skills & Tools:
    Programming & Frameworks:
    PHP, Django, Flask, Symfony2
    Operating Systems: Linux, Windows, Ubuntu
    Databases: MySQL, Oracle, PostgreSQL, MongoDB
    IDEs & Editors: PyCharm, VSCode, Atom, NetBeans IDE, Dreamweaver
    Version Control & CI/CD: SVN, Git, SourceTree, Bitbucket
    Schedulers & Automation: Control-M, Autosys, Cron Jobs
    Project Management & Collaboration: Jira, HP ALM, Odyssey Confluence Page

Certification

  • Data Analysis Using Pyspark : https://coursera.org/verify/8ZB4TNDY7JU0
  • PySpark Process Analysis, Summarize : https://coursera.org/verify/LLFZ6OVPR01A

Timeline

Senior Technical Lead

HCL technologies
04.2021 - Current

Senior Associate

Cognizant
03.2019 - 04.2021

Senior Consultant

Capgemini
03.2015 - 03.2019

Web Developer

Indivar Software Solutions
11.2013 - 01.2015

Software Engineer

KGFSL (KG Financial Software Pvt Limited)
08.2011 - 10.2013

MCA - Master of Computer Applications

KGiSL IIM

Bsc - Computer Science

Chikkanna Govt arts and science college
JEGATHEESWARAN SUNDARAVADIVEL