GURUMANI SUBRAMANIAN KALYANASUNDARAM
Coimbatore
Summary
To keep learning, improving, innovating. Contribute towards the growth of the organization you work for, the team you work with and society you live with through your best efforts today, tomorrow and each day after that.
I am a Software professional with 13+ years of experience in the field of software development specializing in Java based application development. I have rich experience in software development processes. Having dealt with high pressure delivery environment and narrow deadlines.
Overview
15
15
years of professional experience
1
1
Language
Work History
Senior Consultant
Infosys Limited
10.2024 - 08.2025
- Migration of Microservices from oracle to Aurora MYSQL
- Using AWS SDK
- Technical Architecture spring boot microservices with oracle spring JPA integration using AWS SDK.
- Project Role (Enhancement/Support) Migration support for data/schemas from oracle to spring
- Research on AWS SDK plugins supporting aurora MYSQL
- Tech stacks and tools Spring boot Spring JPA Oracle AWS SDK
- Order management system- DOW Jones
Technical Lead
Cognizant Technology Solutions
12.2023 - 06.2024
- We have developed a component which is part of order management system. That component extract queues the requests and pushes the order in the appropriate queue.
- Technical Architecture A spring boot automated app which reads from Apache Kafka ma and pushes data to IBM Queue.
- Project Role (Enhancement/Support) Discuss functional requirements with client
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Tech stacks and tools Spring boot Quartz scheduler Apache Kafka IBM MQ JSON, XML
- Quality Value Convincence (QVC)- Order Management System
Senior Software Engineer
Bahwan Cybertek Private Limited
04.2019 - 07.2023
- Products are designed to provide banks with alerts on its customers based on the RBI guidelines and provide reports on customers with Customer relations management (CRM).
- Technical Architecture Web based application hosted in client environment using tomcat. Spring MVC with JSP, HTML, CSS.
- Project Role (Enhancement/Support) Discuss functional requirements with functional team- Agile approach
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Tech stacks and tools Java Webservices (REST) Spring MVC Pentaho Hibernate JSON, XML
- Its web-based application designed to automate complex metrics calculated by banks on loans provided to its customers.
- Technical Architecture Web based application hosted in client environment using tomcat. Spring MVC with JSP,html,css.
- Project Role (Enhancement/Support) Discuss functional requirements with functional team- Agile approach
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Performance enhancement of job tuning from 24 hrs to 3 hrs by creating proper oracle indices
- Tech stacks and tools Java Webservices (REST) Spring MVC Pentaho Hibernate JSON, XMLV
- Local Banks (BFSI) - Early Warning System
- Local Banks (BFSI) - Estimation Validation Calibration
Senior Software Engineer
Cognizant Technology Solutions
04.2017 - 04.2019
- Please refer the Dun & Bradstreet section, worked on same project since we got rebadged.
Senior Software Engineer
Dun & Bradstreet India Private Limited
07.2015 - 03.2017
- Web Application which supplies interface to surf the company data and its related assets
- Project Role (Enhancement/Support) Discuss functional requirements with functional team- Agile approach
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Tech stacks and tools Java Webservices (REST) Spring MVC Hibernate JSON, XML Apache Velocity
- As the name suggests, family tree is a web application that arranges / supplies the company information in Tree(parent-child) model. This is useful when the user wants to find a relation between two companies.
- Project Role (Enhancement/Support) Discuss functional requirements with functional team- Agile approach
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Tech stacks and tools Java Webservices (REST) Spring MVC Hibernate JSON, XML Apache Velocity
- It's a Java-based batch application which periodically supplies the company and its assets information through files to configured set of customers. Customers are configured from web applications developed using Angular JS framework.
- Project Role (Enhancement/Support) Discuss functional requirements with functional team- Agile approach
- Study and propose technical feasibility and solution based on functional requirement
- Develop, Implement, and host the solution
- Customer Technical Support.
- Tech stacks and tools Java web services (Soap & REST) Spring MVC Apache velocity Angular JS jQuery Mongo DB iBatis Hibernate JSON, XML
- Dun & Bradstreet Technologies & Data Services Private Limited is a company based out of 9TH FLOOR, PRINCE INFOCITY, 286/1, OLD MAHABALIPURAM ROAD, KANDANCHAVADI, CHENNAI, Tamil Nadu, India.
- Dun & Bradstreet (Retail) - Hoovers Online
- Dun & Bradstreet (Retail) - Family Tree
- Dun & Bradstreet (Retail) - Data subs
Software Enginner
Syntel India Private Limited
02.2015 - 07.2015
- A Java Based web application which can track the current shipments and their status.
- Project Role (Enhancement/Support) Enhanced the old web services with user requirements for
- Tech stacks and tools Java J2EE, Spring MVC JSP Web logic
- FedEx Internationals - Shipment Management
Trainee Technology, Associate Technology, Engineer Technology
Virtusa India Private Limited
10.2010 - 02.2015
- A Java Based web service which can expose/search addresses based upon search criteria (set address elements) present in the database
- Project Role (Enhancement/Support) Enhanced the old web services with user requirements and Performance tuning.
- Developed User Interface using web components like jQuery
- Using trillium as search engine for UK addresses
- Integrated google API for validating non-uk addresses
- Tech stacks and tools Java J2EE, Apache axis2, Trillium, Web logic, ibatis, jQuery JSP
- A UI rich Desktop application using Java through which Products can be modeled and loaded to PMF (Product Master Files). Product Master Files is a repository to store and retrieve data developed using PIM (Product Information Management)
- Project Role (Enhancement/Support) Developed Export functionality for PMT XML to spreadsheet format.
- Written JUnit for developer unit testing.
- Application deployment on all environments such as CIT, E2E, PRE-Live.
- Involved in all phases of this project from design phase (LLD), development, testing, defect fixing & deployments
- Oracle BPEL webservices and transforming data from PMT to oracle BPEL using XSLT.
- Performance enhancement of importing data into PMT tool from XML, reduced time from 70 minutes to 7 seconds.
- Tech stacks and tools Java, GMF Framework XML SOAP Oracle BPEL XSLT
- British Telecom (BT) - Name and Address Database (NAD) - (OR)
- British Telecom (BT) - Product Modeling Tool
Education
B.E - Computer Science
Govt. College of Engineering, Tirunelveli
Tirunelveli01.2010
Higher Secondary - undefined
Sri Sankar Vidyalaya MHSS
01.2006
Senior Secondary - undefined
Kendriya Vidyalaya No 1, AFS Tambaram
Tambaram01.2004
Skills
Spring framework expertise including MVC and Boot
Performance benchmarking
Software implementation
System diagnostics
Data-driven decision making
Problem-solving
Decision-making
Interests
Music, Cricket, Movies
Timeline
Senior Consultant
Infosys Limited
10.2024 - 08.2025
Technical Lead
Cognizant Technology Solutions
12.2023 - 06.2024
Senior Software Engineer
Bahwan Cybertek Private Limited
04.2019 - 07.2023
Senior Software Engineer
Cognizant Technology Solutions
04.2017 - 04.2019
Senior Software Engineer
Dun & Bradstreet India Private Limited
07.2015 - 03.2017
Software Enginner
Syntel India Private Limited
02.2015 - 07.2015
Trainee Technology, Associate Technology, Engineer Technology
Virtusa India Private Limited
10.2010 - 02.2015
Higher Secondary - undefined
Sri Sankar Vidyalaya MHSS
Senior Secondary - undefined
Kendriya Vidyalaya No 1, AFS Tambaram
B.E - Computer Science
Govt. College of Engineering, Tirunelveli