Bhaskara Vaka

Client: Federal Home Loan Bank of Atlanta (FHLB), Atlanta, USA

• Consuming FHLB Atlanta provided REST APIs and developed the Business logic based on the response using a Jersey client, Spring boot and Jackson Data Bind.
• Developed Business, Service and Repository Components using Spring boot and hibernate.
• Played a significant role in the migration of Spring Boot application from version 2.6.9 to 3.1.4. During this migration, I focused on implementing Web Security Configuration Classes using the SecurityFilterChain.
• Successfully conducted Proof of Concept (POC) involving Docker and Amazon Web Services (AWS) services such as Amazon S3, Amazon Elastic Container Registry (ECR), Amazon Elastic Container Service (ECS), and Amazon Relational Database Service (RDS). During this POC, I containerized the application and deployed it in the cloud.
• Developed Business Logic using Core Java like Collections and used Java 8 features like Streams, Lambda Expressions, Method Reference.
• Developed REST APIs for various scheduler jobs using Spring boot, Jersey, and Jackson Data bind.
• Developed Business Logic using AWS SDK to Store, Retrieve and update the documents in Amazon S3.
• Extensively Worked on the Interfaces between the LAPSPlus Application and other third-party applications like CRM, ECRM by using the webservices.
• Developed the persistence layer using Hibernate Framework by configuring the various mappings in Hibernate files and created DAO layer.
• Designed and integrated the full-scale Hibernate persistence solution with the application architecture and SQL Server database.
• Involved in design and development of the Hibernate Domain Model for the service.
• Secured the API's by implementing basic authentication and JWT token using Spring Security.
• Create and configure the continuous delivery pipelines for deploying Services by using Jenkins.
• Done the Sybase to SQL Migration using the IBM Data stage Tool. Involved in code reviews and ensured code quality across the project.
• Worked on the RSA OAEP encryption of the request and response data sent/receive to/from the APIs.
• Worked on the Azure Document Intelligence POC to extract data from documents and analyze the data as part of the documents processing improvements.
• Environment: Java 17, J2ee, Spring 6.2.3, Spring Boot 3.4.3, Hibernate 5.6.9, SQL Server 2014, Angular 14, JBOSS EAP 8.0, SVN,STS,ActiveMQ,JMS,Jenkins,Jira,CRM,ECRM,Jasper Report, IBM Data Stage, AWS

Client: 1st Global Capital, LLC. FL, USA May-2018 - April 2019

Client: Merchant Capital Access / Reliant funding. NY, USA June 2017 - April 2018

• Core developer in Collection & Accounting module development.
• Developed new applications and added functionality to existing applications using Java/J2EE, Spring and Hibernate technologies.
• Developed Controller for request, response paradigm for Spring Controllers using Spring-MVC.
• Developed Hibernate in Data Access Layer to access and update information in the database.
• Expert in the development of project back-end logic layer by using most of the core java features such as Collection Framework, Interfaces and Exception Handling programming.
• Used Spring annotations as well as xml configuration for dependency injection.
• Used Hibernate annotations as well as xml configurations.
• Created RESTful APIs for increased scalability of the application.
• Created Rest-based controllers to handle the incoming request and output the response.
• Developed JSP for UI and Java classes for business logic.
• Production support includes analyzing and fixing defects.
• Created model layer using Hibernate and extensively used its API to perform CRUD operations.
• Re-Write the SQL Procedures as part of Performance Tuning.
• Performed Integration Testing on Test Servers.
• Worked closely with clients to establish problem specifications and system designs.
• Managed and analyzed log files to find information and facilitate problem resolution.
• Involved in code reviews and ensured code quality across the project.
• Environment: Java 1.6, J2ee, Spring 4.3.11, Spring Boot 1.5.7, Hibernate 5.0, SQL Server 2016, Eclipse, SVN, JBOSS 5.1, SOAP & RESTful.

Client: Federal Home Loan Bank of Atlanta (FHLB), Atlanta, USA

• Analyzed and fixed the Security issues related to AHP.
• AHP application 2017 round changes are done.
• Identified all the JSPs which need to be fixed from the AHP Portal application.
• Modified the existing tag Libraries code to fix the scripting issues.
• Problem determination and support during testing phase.
• Collected and documented all the queries that need to be modified throughout the AHP application.
• Validated the data using JavaScript.
• SQL injection is done for all queries.
• Involved in Unit, Performance, Regression testing of security issues and SQL injection.
• Involved in the production support team to fix the production issues.
• Migrated data from Sybase to SQL using SSMA tool.
• Documentation done for the Migration Process.
• Environment: Java, J2ee, EJB, Servlet, Portlet, WebLogic 10, Sybase, SQL Server 2014, SSMA, Java Script.

Client: Sustainable Agro-commercial Finance Ltd. (SAFL)

• Involved in Development of Accounting module.
• Involved In Development of Receipts module.
• Involved in Data Migration Process.
• Visited client places and developed according to client requirements.
• Extract the reports after migration from the system and submit them to the client for verification.
• Involved in Development of Different types of Payment modules.
• Extensively used DAO patterns, including mapping DAO objects, configuring files and classes to interact with databases.

Client: Karnataka Bank Ltd. India

• Involved in Risk Rating development for Retail, Agriculture and Corporate Modules.
• Developed User Interface using HTML, JSP.
• Involved in SOAP Web Service integration in LAPS for Risk Rating.
• Involved in Various modules development in LAPS.
• Visited Client place and developed according to the client requirement.
• Involved in Performance, Regression Testing done by client.
• Trained the users using the software.
• Technologies & Tools: Java 1.5, J2EE, EJB, Servlet, JSP, JDBC 2.0, IBM DB2, JavaScript, JBOSS, SVN, Eclipse 3.4, FTP API.

LAPS (Lending Automation Processing System) is a web application which has been developed in a j2ee environment using a MVC framework. LAPS is the most powerful and comprehensive lending solution available in the market covering the entire lending cycle through stages of processing, decision making, monitoring, and management control. LAPS automate the process of Loan Origination, Loan Processing, Loan Appraisal and Post Disbursement Activities. LAPS has been designed to meet the needs of Indian, Middle East and US clients in the section of loan processing by providing solutions separately for Retail dept, SME & Corporate dept, NPA.

• Major Contributions:
• Involved in System Integration.
• Involved in installing the Product in client place and for GAP analysis.
• Worked as a Key Developer for Retail Module Development.
• Client Management, Initiating demo on various enhancement of application.
• Involved in JBOSS server migration for LAPS.
• Involved in Agriculture Module development and Gold Loan Module development.
• Technologies & Tools: Java 1.5, J2EE, EJB, Servlet, JSP, JDBC 2.0, IBM DB2, JavaScript, JBOSS, SVN, Eclipse 3.4, FTP API.

Society Information System is a web-based application, developed for a Dairy Cooperative Society, to keep track of milk producers as well as consumers and to store detailed information about the cooperative society and its activities. Through this application, information regarding a society can be stored, retrieved, and modified with an enterprising aptitude.

• Major Contributions:
• Worked as a key Developer for Consumers Module Development.
• Implemented the Consumer Module Pages using java, Jsp,Servlet, jdbc.
• Implemented different types of reports involved in the Consumer module.
• Production Support team member.
• Technologies & Tools: Java, J2EE, Servlet, JSP, JDBC, SQL Server 2005, JavaScript, Eclipse.