Arun Kumar

Experience

1. Full Stack Java Developer

   JPMorganChase

   Jul 2024 — Present · Dallas, TX, US

   Leveraged Java 21, Spring Boot, and Reactive Programming principles to design and deploy responsive microservices architectures, ensuring robust and efficient application performance.• Engineered serverless and distributed architectures on AWS, utilizing services like S3, Lambda, Elastic Cache, SQS, DynamoDB, and CloudWatch for real-time processing, secure storage, and seamless data flow between systems.• Developed intuitive and responsive user interfaces using React 17, Vanilla UI Material Framework, and Salt DS Framework, boosting user engagement and satisfaction.• Automated build, test, and deployment pipelines with Maven 3, Docker, Terraform, and Bitbucket, enhancing release efficiency by 30% and ensuring high-quality software delivery.• Ensured application reliability and performance using Datadog and Splunk, implementing proactive logging strategies and achieving a 95% defect-free rate in production.• Spearheaded the development of a Pay-by-Bank (PBB) solution using open banking APIs, enabling merchants to process direct ACH payments as a cost-effective alternative to traditional methods.• Conducted rigorous unit and integration testing with JUnit 4.13.2 and Mockito, ensuring seamless functionality and reducing defects in production.• Automated data flow and message handling between systems using AWS SQS, Elastic MQ, and DynamoDB.• Collaborated with UI/UX teams to implement modern and intuitive designs, driving enhanced user engagement.• Delivered real-time bank account validations and ACH payment processing through open banking APIs.

Education

• JNTUH College of Engineering Hyderabad

  Bachelor's degree

• Indiana Institute of Technology

  Master's degree