Arjun Kumar

• Client: DBS Bank Singapore
• Project: Payment Screening As Service (PSAS) [Payments Domain]
• Technologies: Java17, Spring Boot 3.x, Microservices, RESTful, AWS, PCF, Openshift, Spring Config Server, CI/CD.
• Description: PSAS provide services for ISO MX/MT messages structure screening. It works with EWSS to screen predefined elements in ISO payloads. EWSS screen against watchlist and create, update alert.
• Roles & Responsibilities:
• Development of high performance Microservices for Actimize/Embargo/Response/Alert/Notify processors for screening.
• Collaborate with cross-functional teams to design and develop robust software applications using Java technologies.
• Consuming SWIFT messages (ISO20022 Standards) to communicate internationally.
• Creation of Spring Config server and CI/CD scripts to be managed separately.
• Managing MariaDB for all the services. Manage different environments DEV/SIT/UAT/PERF/PROD for PSAS/PSPI (Parallel).

Client: Autodesk Asia PTE LTD.

• Project: Wallet/Helium (Payments Domain)
• Technologies: Java17/21, Spring Boot 3.x/Quarkus, gRPC, Microservices, RESTful, AWS, CI/CD, Cucumber Testing.
• Description: Wallet manages consumption of all virtual currencies purchased through Autodesk.
• Roles & Responsibilities:
• Development of high performance Microservices for Accounts, pricing, Auth/Validate/Report features for Payments.
• Contribute to architectural design and technology selection as proposed Quarkus in the project.
• Following TDD approach so writing Cucumber test case before implementation for each feature.
• Consumer facing API & systems for Business, markets need constant monitoring with low latency and higher throughput.

• Client: VISA Worldwide PTE LTD.
• Project: VISA Installment Services [VIS]
• Technologies: Java11, Spring Boot 3.x, Microservices, RESTful, AWS, CI/CD, Kubernetes, Docker, Cucumber Testing.
• Description: VISA Installment Services is a service sits in business zone. Services can be used by merchants to inquire the VISA funded Installments plans for cards. The transaction flows through few components which do necessary validations. Merchant calls VILS [Plan Eligibility] and VILS calls VIEN/VIEB/VITS/VINS and then these microservices make call to DCP i.e., for validation of Enrollment profiles.
• Roles & Responsibilities:
• Development of high performance Microservices for Enrollments/UnEnrollments for enrolling/Unenrolling profiles.
• Creation of Microservices using Spring boot for VISA Auth/VISA Clearings.

• Client: Cargill
• Project: 3PL Partners (CPS Supplier)
• Technologies: Java18, Spring Boot 2.5, Microservices, RESTful, Redis, AWS, Multithreading, Docker, Apache Kafka.
• Description: The scope of the project is to create services which will help partners (Customers) to see Cargill’s document and videos related to agricultural commodities using Spring boot and Microservices.
• Roles & Responsibilities:
• Microservices for category, download, upload and delete the documents/videos, new users, updating, deactivating users.
• Implemented Redis Cache which is in-memory database. Code reviews and ensure adherence to coding standards.

• Client: Experian
• Project: Paas Migration (NetConnect & BizConnect) (Financial Domain)
• Technologies: Java18, Spring Boot 2.5, Microservices, React.js, VueJS, OpenShift, Jenkins CI/CD, Docker, Spark, Kafka.
• Description: The scope of the project is to migrate the legacy EJB 1.3 based application deployed in WebLogic, into Spring boot based application and deploy the same into the OpenShift environment.
• Roles & Responsibilities: Refactor existing application into Spring Boot and removed WebLogic dependency.
• Proactively identified areas for process improvement, implementing changes that led to significant time savings for the team.

• Project: HPE and DXC Tax Applications (T²)
• Technologies: Java8, Spring Boot 2.x, Hibernate, RESTful Web Services, MapStruct, Angular.js, jQuery & Bootstrap.
• Description: This project provides one-stop TAX solution for HPE and DXC. It provides streamlined and compliant transaction tax processes using one global IT solution to meet regulatory needs and to enable HPE/DXC business development.
• Roles & Responsibilities: Web services for communicating with upstream systems, source to target (OneSource).
• Enhanced software functionality by identifying and resolving complex technical issues.

• Project: Volvo Cars Corporation (eCommerce)
• Technologies: Java 1.7, J2EE, Spring MVC, Spring Core, Hibernate, Web Services, PostgreSQL, Servlets, JSP.
• Description: Volvo Registration System (VRS) - The application is used for selling online cars in different countries on the basis on government rules of respective country. The application allows to hand over the vehicle by passing through systematic process from manufacturing to delivering via manufacturer, dealer, and customer.
• Roles & Responsibilities:
• Designing registration process for Finland market for registration of vehicle and delivering to customer after registration.

• Project: VINIMAYA (An e-Procurement System) an eCommerce Web Product.
• Technologies: Java 1.6, Core Java, J2EE, Servlets, JSP, Struts (MVC), Hibernate, Multithreading, SQL Server 2008.
• Description: The Vinimaya Smart Marketplace Technology (vMarketPlaceTM) is B2B/B2C application integrated with EProc systems like Ariba Buyer, Oracle, Peoplesoft, JDE and SAP.
• Roles & Responsibilities: Creating functionalities like search, next page, compare, detail page, quick order etc.
• Developed scalable and maintainable code, ensuring long-term stability of the software.