Divya Shivananda Chavan
**********@*****.***
https://www.linkedin.com/in/divya-chavan-976b8b31/
#**** *** **** ** **** 102 Jacksonville, Florida -32256
PROFESSIONAL SUMMARY:-
•7 years of IT experience in analysis, design and development of multi-tier and distributed web applications using Java/J2ee Technologies.
•4 years of experience in development and maintenance financial services applications applications,3 years of experience in developing e-commerce platform.
•ITIL foundation certification.
•IBM Certified SOA Associate.
•Hands-on experience in developing SOAP and RESTful Web Services using JAX-RS and JAX- WS.
•Good knowledge and experience in Unix shell commands and writing shell scripts.
•Hands on experience in Configuring & Maintaining Tomcat Web Server.
•Good knowledge in RDBMS concepts and extensively worked with Oracle and MYSQL.
•Good knowledge and experience in Middleware systems like Oracle SOA.
•Experience in integrating with various backend systems like SAP, UNISON.
•Experience in using Agile and Waterfall Methodologies.
•Responsible for coordinating with the clients.
•Experience in production support activities like monitoring and troubleshooting logs using Splunk.
•Good knowledge in HP service manger to resolve problem and incident tickets.
•Worked on HP sitescope to monitor the application availability.
•In depth knowledge and experience in Java, HTML, DHTML, Java Script, J2EE (JDBC, Servlets, JSP, JNDI).
•Good knowledge and experience in implementing and maintaining distributed caching technology like Redis.
•Hands On experience in Migrating application from monolith to microservice architecture.
•Good knowledge in using Spring3 Core, Spring boot, WEB-MVC and Dependency Injection.
•Hands-on experience in using XML
•Good understanding of UML modeling.
•Hands-on experience in using Java/J2ee Design Patterns like Factory and Singleton.
TECHNOLOGIES
J2EE Frameworks
Springs, JPA, JMS and JDBC
J2EE Frameworks
Servlets 3.1, JSP 2.1, XML and Web Services
Middleware Technology
JMS, MQ Messaging
Application/Web Server
Web Logic, Jboss 5.x, WebSphere, Tomcat and Glass Fish Server
Databases
Oracle,SQL Server,MySQL
Languages
JDK 1.6,1.7,1.8, SQL, PL/SQL
Methodologies
Unified Modeling Language (UML), SDLC, Agile
Caching Technology
Redis
Build Tools
Ant and Maven
Source Control
SVN, CVS and GIT
Defect Tracking Tools
JIRA
Operating Systems
Windows 7/2000/NT/XP/98
Professional Experience:
Blackbuck Insights, Bangalore, India Sep 2022 to Mar 2023
Client: Trans Union
Role: Senior Consultant
Project Description:
XGBoost Model is a Machine Learning algorithm used in TransUnion to boost the performance and predict the credit score once data is received from multiple upstream systems.
XGBoost operational process requires a robust hand off procedure to ensure the models generate accurate and consistent outputs. DSA (Data Science and Analytics ) develops an XGBoost model develops an XGBoost model using a standardized methodology, which includes data preprocessing, feature engineering and model evaluation.
Responsibilities:
Design and develop multi-tier application using Java/J2EE methodologies with Springboot as application backend.
Implement EH Cache to accomplish business functionality.
Develop Restful web services to upload file to bit bucket repository to be consumed by downstream systems.
Develop encryption/decryption algorithms by leveraging features of Springboot framework like Jasypt.
Develop robust database objects like stored procedures, functions using Postgres and write efficient data base queries to achieve the business requirements.
Enhance configuration of different application environments using spring profiling to maintain the configuration parameters across different environments.
Migrate the application from monolith to microservice architecture.
Implement distributed caching technology using Redis to accomplish business requirements.
Containerize the application using Docker and Openshift.
Tata Consultancy Services, Bangalore, India Oct 2012 to Feb 2019
Client: Ameriprise financial firm
Role: Software Engineer
Project Description:
Project is to provide and maintain Access (identity) to users and maintain. To implement seamless navigation (Login once and access multiple applications without using multiple passwords).
Responsibilities:
To implement the changes to the application as new requirement with alignment from client.
Worked as BAU to make changes in lower environments like QA and Staging based on change tickets.
CA SiteMinder to create and maintain rules and regulation(policies)
IBM Tivoli identity Manager to manage users and credentials.
LDAP Database
CA Federation Manager to integrate third party application to SSO
Worked on HP sitescope to monitor the application to have high availability of the application.
Worked on integrating applications with Multifactor Authentication (MFA).
Worked on concepts of ITIM (Identity and Access Manager).
Experience in on troubleshooting of applications integrated with Siteminder.
Worked on Service Now to track Incidents, Problem and Query tickets.
Client : TCS Thomson Reuters
Role : Software Engineer
Project Description : MISSOA is a custom middleware that is responsible for delivering software solutions. The middleware was responsible for integration between various systems to handle ecommerce requirements for Thomson Reuters. It is an entitlement and Subscription application that maintains the trial and paid subscription content for Thomson Reuters users.
Responsibilities:
Development of REST API’s using Spring Framework to accomplish client requirements.
Development of UI component using JSP, Servlets and Java Script libraries.
Migrating the application into AWS EC2.
Implementing AWS S3 as storage solution for documents and images.
Implementing design patterns like Singleton, Proxy and Factory design patterns to achieve optimum efficiency and accuracy for the business functionality.
Enhancing security features for the developed APIs using encryption and hashing algorithms.
Writing efficient SQL scripts to perform Database operations.
Optimizing the services to improve performance which involves tuning SQL queries and database partitioning to maintain the user data on an oracle database.
Responsible for migrating the API’s from custom Middleware to Oracle SOA framework.
Developing JUNIT test suite to test JAVA web services.
Automated build process using Maven.
Client: Commonwealth Bank of Australia
Role : IT consultant
Location : Worked at client location Sydney,Australia(Onsite)
Project Description: Integration Operations manage the integration layer between the operating system and applications for most of the channels in Bank. Working on the Integration layer, we handle highly critical and complex backend integrations of the bank which are served on different platforms including IFW, EP, Micro Processor APIs. The bank user experience is highly reliable on the uninterrupted service of the Integration layer and is built on huge clusters.
Responsibilities:
Administration and troubleshooting of large scale enterprise tier one applications such as IFW Public, IFW Payment, MP, EP, CommFX, Biztalk and HIS.
Successfully handled EP migration project to uplift the EP servers. I was the main point of contact from L2 and drove it without any issues. In depth experience using F5 load balancer.
Put forward performance, capacity assessment and deployment risks to projects using key performance indicator attributes i.e. capacity, performance, scalability, availability, reliability, fault tolerance.
Set up a project delivery team with the right mix of skill sets and healthy hierarchies.
Achieved more stability in the environment with increased automation in monitoring, alerting, repetitive task management and creating detailed performance monitoring dashboards.
Server maintenance, quality checks and versioning.
Project planning, monitoring and status reporting.
Problem life cycle management using MyService.
Transition management & Performance recommendations.
Client liaison, onsite & offshore project co-ordination.
Managing Risks and Issues.
Participate in production assurance review.
Estimating effort for changes to be implemented.
Creating a plan for implementation of changes and coordinating with the team to attain the change in-time.
Pre/Post implementation support during major minor releases.
Trainings Undergone:
ILP Training on Java and JSP Servlets.
TCS Business Domain Academy:
Foundation Certificate in Banking.
ITIL foundation certification.
Web based training (WBT) in TCS on java.
SOA Fundamental certificate.
Education qualification:
June 2012(Year of Passing) B.V.B College of Engineering technology, India
Bachelorof Engineering inInstrumentation Technology from VisveswarayaTechnological University