About

Arul N is a self-driven software engineer with over 12 years of experience in creating customer-centric products. He is currently working as a Software Engineer III at PayPal, where he has designed and implemented Topups and Payout payments for merchants and settlement returns processing from vendor banks. Arul's key capabilities include developing enterprise-level E-Commerce and core Payment processing systems using Java microservices, Spring boot, hibernate, Kafka, batches, and GCP cloud. He has implemented end-to-end optimized order purchase flows in e-commerce websites and rate limiting using Redis Cache to reduce page load latency. Arul has strong knowledge of Data Structures, Algorithms, and System design. He has a good understanding of JVM internals, architectural design patterns, load balancing, sharding, replication, scaling microservices, and designing and implementing scalable and robust APIs in fault-tolerant systems. Arul has worked on Data Pipelines with Spark streaming, MongoDB & Terradata for analytics and implemented Java Multi-threading, concurrency, and synchronization techniques, increasing business sales by 10% on his own initiative identifying opportunities. He is hands-on with Python, Javascript, ReactJS in building internal tools for teams and worked with REST, SOAP & Protobuf services for internal systems integrations. Arul has experience in tech lead roles and coordinating with cross-functional teams. He has integrated payments software using various schemes like Nacha, EdiFact, ISO20022, etc., by working with various banking vendors. His experience in handling SSL encryption-based connections and PCI & PII data is commendable. Arul has delivered products considering all the payment compliance/regulatory policies. He has developed software for e-commerce & Telecom websites handling millions of orders and handled data in oracle, postgre SQL, and MongoDB. Arul has experience in the CI/CD ecosystem using Jenkins, Git, GCP cloud deployments, Kubernetes cluster, building docker images, and automated test suites for deployments in large-scale data centers. Arul has a Bachelor's degree in Information Technology from SRM University and a Master's in Business Administration - MBA General from Pondicherry University. He is proficient in Software Engineering, Java, AWS, Spring, Spring Boot, Microservices, Spark, Python, SQL, GCP, MongoDB, Redis, Web, Kubernetes, Jenkins, CI/CD, Docker, Backend, and QA.