Preethy Sivanesan

Professional Summary

*+ years of Professional Experience in the IT Industry having a wide range of skill sets such as development and enhancement in development of java application using SpringBoot Framework, RESTful API & ORACLE.

2+ years of experience in migrating Java application to AWS infrastructure.

2+ years of experience in developing reactive API and Data JPA using spring webflux on Mongo DB.

3+ Months of Handles on Experience in Mongo DB Database with Jpa Implementation, Kafka Producer – Consumer application

Designed efficient database workloads to reduce latency and optimize throughput using read replicas and cache.

Expertise in building a microservice apps using springboot and RestAPI and deployment in Private cloud.

8+ years of Professional experience in IT Industry having business knowledge align to financial services with good expertise in swift messages of ISO15022 and 20022 messages.

8 years of experience in providing specification to clients by analyzing the Swift message(MT ISO15O22) and (MX ISO20O22) release change.

3 years of experience in application development and implementation in Corporate Actions module in post-trading services using Core Java, Spring Framework & Restful API.

2+ years of experience in Business Knowledge of CDF(Commercial Distribution Finance) Domain.

2 years of Experience in JAXB (Jakarta XML Binding) marshal Java objects into XML and Unmarshal XML into objects for handling ISO20022 messages in Mutual funds and General Meeting Events implementation.

2 years of Experience in development of java application using RESTAPI to process JSON data.

4 years of Experience in developing Java bundle projects that uses CICS services and run under CICS control.

Worked in Scrum based Agile methodology and able to drive the application through phases, development to deployment communicating with different technical teams.

Strong working experience in creating & accessing Spring Rest API’s and inter connecting different component in system which includes Security, encrypting and database modeling.

Extensive knowledge in using Maven, GIT and Bitbucket.

Knowledge of multithreading and concurrency in Java.

Excellent communication and interpersonal skills, experienced in presenting IT business presentations showcasing application features to new clients.

Experienced in designing and deploying processes across groups and work with Quality Assurance and customer support.

Experience in using Jenkins for CI/CD Pipeline.

Certificates:

AWS Certified Developer – Associate, Validation Number - HC67N1B51Q41HGK.

Technical Skills:

Language: Java 8, SpringBoot Framework, Rest API, XML, JSON,AWS services.

Database skills: DB2, Oracle, Mongo DB.

Tools : Control-M, Eclipse, SQL Developer, Maven, Git,Jira, Confluence,splunk,

Testing Tools : Selenium

Education:

Bachelor of Engineering – Computer Science and Engineering, 2013 Anna University, Chennai, India.

Professional Experience

Client: Wellsfargo, Hoffman Estate, IL .(HCL America) March’23 – Dec’23

Project Name: AIMS

Role: Java AWS Developer

Responsibilities:

Involved in analyzing the legacy services & infrastructure and mapping the equivalent services within AWS to review the pros & cons and bridging the gap to achieve a seamless migration to AWS.

Successfully migrated multiple microservices in to Amazon ECS Fargate for Container Management.

Implemented Application with Integrate with AWS S3 Context and Developed Application which Produce and Consumes Data in and Out of S3 Bucket using AWS SDK.

Developed API for using AWS Lambda to manage the servers and run the code in the AWS.

Conducted various POC & acceptance testing to adapt existing database in to AWS RDS to serve the validation on performance, availability and stability.

Managed and monitored mission critical systems for optimal performance and high level off availability.

Implemented event driven automation for quick respond and incident remediation using Amazon CloudWatch.

Created reactive API which uses spring webflux which takes dealer Id from kafka Queue and call the API to perform the validation to notify the client.

Environment: Java 8,Spring Boot, REST API, Microservices, AWS Services, Spring Webflux,Kafka.

Professional Experience

Client: Wellsfargo, Hoffman Estate, IL .(HCL America) July’22 – Jan’23

Project Name: AIMS

Role: Senior Developer

Responsibilities:

AIMS:(Account Information Management System) is the system of record that provides inventory financing and portfolio management capabilities for the Commercial Distribution Finance business. A CICS web service layer provides API’s for various application within CDF eco-system.

Experience in building a microservice apps using springboot and RestAPI for Modernization project which involves transformation of CICS screen to Java application and deploying in private cloud.

Implemented a Microservice which integrates to multiple data source and performed complex business rules and publishes the data to drive the business.

Implemented Application to archive files in to AWS S3 Glaciers and deployed in ECS fargate.

Implemented Fault tolerant with Circuit breaker Resilience 4J.

Performing program design, coding and development - Performing unit and integration testing

Significant hands-on experience in solution design, architectural analysis and development of financial system (trading) leveraging advanced Java 1.8 or above features like Multi-Threading, Serialization.

Worked with Devops teams to streamline Kubernetes Deployment.

Participated in Agile ceremonies like sprint planning, daily stand-ups and retrospectives.

Environment: Java 8,Spring Boot, REST API, Microservices, Spring Data JPA,Kubernetes.

Client: SIX Securities Group AG, Switzerland. (Tata Consultancy Services) Sep ’19 – Oct’21

Project Name: SECOM

Module : Corporate Action

Role: Senior Developer

Responsibilities:

Mutual funds development and Implementation using JAXB (Jakarta XML Binding) marshal Java objects into XML and Unmarshal XML into objects for handling ISO20022 messages, deploying Java bundle projects that uses CICS services and run under CICS control, developing and processing the fixed Length structure.

Involved in development of java application using RESTAPI to process JSON data.

Worked on Decomposing monolith in to Microservices.

Go-Live support provided to Sub-Custodian for several Markets for Mutual Funds Implementation.

General Meeting Events Development and implementation using JAXB (Jakarta XML Binding) marshal Java objects into XML and Unmarshal XML into objects for handling ISO20022 messages, deploying Java bundle projects that uses CICS services and run under CICS control, developing and processing the fixed Length structure.

Developed a microservices application that uses Data RestAPI, which is consumed by UX for Data Manipulation using CRUD operations.

Analysis and resolving of Client high priority ticket.

Involved in Pickett handling, Bug fixing and monitoring and release coordination.

Performed impact analysis to resolve user queries.

Post production delta support for application.

Performed Root cause analysis to identify the cause of issues in the Test/Production environment by the team during UAT & implementation.

Performed Unit Testing by developing and applying test cases in Junit.

Received Client appreciation mail for good performance.

Coordinating of releases and major requests across various modules and deploying the application in GIT.

Worked with JIRA filters, reporting, dashboards, workflows and fields.

Environment: Java 6, SpringBootFramework,RestAPI,Maven, GIT,Junit, Jira.

Client: SIX Securities Group AG, Chennai,India.(Tata Consultancy Services) Aug’18 – Sep’19

Project Name: SECOM

Module : Corporate Action

Role: Senior Developer

Responsibilities:

Involved in designing and Migrating data using SQL query from table to files and vice versa.

Perform analysis to ensure compliance of detailed specifications to business requirements.

Actively participated with the team to discuss technical or design ideas during project development process.

Created Test Documents containing test case procedure, data sources, results, and screen captures highlighting input and output data, indicators, and system display statements.

Involved in Automation testing using Selenium Automation Testing Suite.

Involved in code review for code developed by both onsite and offshore team.

Involved in new POC initiative to Automate Regression testing using selenium scripts.

Worked on Agile based scrum methodology, used to update Epic & User stories promptly and provide status to daily scrum call.

Environment: Java6, SpringBoot Framework, RestAPI, Oracle 11g.

Client: SIX Securities Group AG, Switzerland. (Tata Consultancy Services) Aug‘17 –Aug’18 Project Name: SECOM

Module : X-Clear

Role: Developer

Responsibilities:

Performed Root cause analysis to identify the cause of issues in the Test/Production environment by the team during SIT, UAT.

User Acceptance and functional testing for X-clear services for Spanish market equities.

Part of T2S(Target 2 Securities) Implementation and support for Future TPA.T2S is a European securities settlement engine which aims to offer centralized settlement in central bank funds across all European securities markets.

Involved in implementation and support of X-clear services for Spanish market equities.

Worked on Agile based scrum methodology for past 1+ year, used to update Epic & User stories promptly and provide status to daily scrum call.

Environment: Java, Spring, Oracle 10G.

Client: SIX Securities Group AG, Chennai,India.( Tata Consultancy Services) Oct‘13 –Aug’17

Project Name: SECOM

Module : Clearing and Settlement

Role: Developer

Responsibilities:

Have been part of design, analysis, development, testing of several change requests and production fixes in the Clearing and Settlement.

Involved in the development, Testing and Implementation & support for T2S (Target 2 Securities). T2S is a European securities settlement engine which aims to offer centralized settlement in central bank funds across all European securities markets.

Involved in internal acceptance testing, parallel testing and regression testing for T2S Go-Live.

Imparted training to the new trainees in the project and conducted project level technical KSS.

Environment: Java, Spring, Oracle 10G,DB2.

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