Arunkumar Rajan Email & Phone Number

New York, Ny, Us

Us

- Leading and coordinating a cross-functional tech team and overseeing the integration of various technologies including Go, Kafka, C/C++, SOAP services, Rest API, gRPC, Perl Scripts, Oracle and Sybase databases, Unix, and Perl scripting.- Set up Kafka and Go to connect systems in real-time.- Merged older tech like C/C++ with newer approaches.- Created smooth communication using SOAP, Rest API, and gRPC.

Teaneck, New Jersey, Us

• Work with customers and product managers to understand requirements. Design, develop, and deploy systems.• Develop web applications and microservices to migrate the legacy applications build for retail store selling and service platforms. • Build and deploy Rest API’s developed using Spring MVC to enable the front-end and cloud applications to access the legacy processes and data.• Build and deploy microservices using Spring boot to process customer orders, hand debit/credit card transactions, and share the data to host using MQ.• Create web APIs and develop subsystems using Java, Spring core annotations, Spring MVC, Maven, Gradle for the large distributed banking teller application to perform foreign currency transactions.• Build web applications with React to enable store associates to capture and checkout store orders• Modify and Enhance the banking teller application. The application uses QT libraries for the user interface. The backend is developed using the C++ MVP pattern.• Write components and libraries in C/C++ for the legacy system to communicate with third-party applications via HTTP APIs, MQ (Message Queues), and Kafka.• Create POC for the present-day working model with Java spring boot and React.js implementation.

Teaneck, New Jersey, Us

• Worked part of large multi-year project to integrate the legacy system written in C/C++ with sterling e-commerce. This project is developed and deployed in multiple stages.• Developed a standalone application to process the store sales transaction created in POS, Sterling and other front-end tools. • This application monitors and processes huge volume of flatfiles created from various means. This includes extracting the data, applying business logics over it and then updating various DB2 records.• Wrote demon processes to send the hourly sales records to mainframe system via MQ. • Wrote distributed application to send and receive data from IBM Message Queue Interface.• Assisted in implementing Test driven architecture for existing C++ client application by integrating cxxtest.• Wrote automation scripts to monitor the logs and compare the execution time between each version.Used Valgrind tools to profiling the C/C++ applications and fixed issues to increase the application performance and stability.

Bangalore, Karnataka, In

I started my career with Infosys as a Trainee. Since this was the first year of my career, I spent most of the time in learning and practicing software development and testing tools and processes.- Analyze and understand requirement documents- Create and Execute Test scenarios, Cases and Scripts.

Master Of Computer Applications - Mca ( Distance ), Computer Application

Bachelor'S Degree, Computer Application