Rizwan Ali Khan

About Rizwan Ali Khan

Senior Full Stack Java Developer with a strong backend development focus and about nine years of experience, mostly building scalable microservices with Java (Spring Boot, J2EE) and AWS 2.0. I\'ve gotten my hands dirty in finance and healthcare, and have a real knack for making systems run faster. My main goal is to lead teams in building applications that don\'t just work, but work really well under pressure. I enjoy the challenge of MuleSoft integration for API-led connectivity• Extensive experience with Java EE: Java 21, Java 17, Java 11, Java 8, JSP, AI/ML, Servlets, JMS, MQ, JDBC and Java design patterns: MVC, Singleton, Session Facade, Service Locator, Visitor, Observer, Decorator, Front Controller, and Data Access Object• Containerization and Orchestration: Experienced in using Docker, Kubernetes, OpenShift, and AKS for deploying and managing containerized applications • Developed applications using latest technologies like Spring Boot, Spring DATA JPA, Spring Integration, Spring Security, Spring 3.x/4.x, Hibernate, and REST-based Web services (Axis2.0, JAX WS 2.0, JAX RS), Rule Engines (Drools4.1, ILOG), and JBPM tools• Cloud Platforms: Proficient in deploying and managing applications on AWS, Microsoft Azure, and Google Cloud Platform. Successfully migrated over 50 legacy applications to AWS• Implemented Microservices & SOA architecture with Web Services using JAX-WS, AXIS, SOAP, WSDL, REST API\'s, UDDI, Kafka and XML• Proficient in working with XML, XSL, XSLT, XSD and VXML. Expert-level skills on JQuery, JavaScript, AJAX, JSON, HTML5, DHTML, CSS, Tiles, and Tag Libraries.• Proficient in using Amazon Web Services AWS and AWS S3. Extensive experience focusing on services like EC2, VPC, Cloud Watch, Cloud Front, Cloud Formation, IAM, S3, Amazon RDS, Elastic cache, SNS, SQS• Used Core java Concepts based on Multithreading, concurrency, and concepts for updating the inventory using the I/O concepts including TDD/BDD practices.• Experience in developing J2EE applications using tools such as RAD, IntelliJ, Eclipse and NetBeans. and using Application servers WAS9, JBOSS and Apache Tomcat.• Experienced with databases such as Oracle 12c, Oracle 19c, DB2, and MySQL• Testing Frameworks: Proficient in JUnit, Jest, Selenium & Mockito ensuring comprehensive unit testing.• Experience on Web Technologies using AngularJS, NodeJS, ReactJS, VueJS• Implementation of the Business logic layer for MongoDB Services and Developing Hibernate Configuration files for HealthCare, Finance, e-commerce and banking systems.

Experience

1. Senior Fullstack Java Developer Tata Consultancy Services (Tcs)

   Mutual of Omaha

   Jul 2024 — Present

   Designed and developed high-performance, resilient RESTful APIs using Spring Boot, supporting both synchronous and asynchronous communication patterns to ensure optimal system integration and scalability.• Architected end-to-end API solutions with fault tolerance (Hystrix/Circuit Breaker), rate limiting, and caching (Redis) to enhance reliability and performance in high-traffic financial environments.• Redesigned and transitioned a legacy Microsoft Access-based Death Master Usage Tracker (DMUT) System into a modern, single-page application using Vue.js and a serverless backend built with AWS CDK (TypeScript) and Lambda. This modernization enhanced platform reliability, maintaining 99.98% availability and improving policy lookup performance by 40%. • Eliminated critical technical debt by implementing a robust SCIM integration between Okta and the internal Death Master Usage Tracker (DMUT) system. Designed and deployed a MuleSoft Process API to bridge Okta’s SCIM-based user provisioning with AWS Lambda-based user management, enabling dynamic, event-driven updates to DMUT’s user data stored in DynamoDB.• Designed and implemented scalable data models in DynamoDB, leveraging AWS CDK to deploy and manage infrastructure as code, resulting in a 30% reduction in data storage costs.• Developed and deployed AWS TypeScript Lambdas to connect to Snowflake via AWS PrivateLink VPC endpoint, enabling secure and efficient data retrieval and processing, with a 25% increase in data processing speed for Death Master Usage Moo application.• Created and integrated Vue.js (Vue 3) frontend applications with AWS CDK projects, deploying static apps to AWS S3 buckets and ensuring seamless user experiences, with a 20% increase in application adoption.• Integrated Okta, CloudFront, and API Gateway to create secure and scalable API endpoints, enabling seamless authentication and authorization, with a 30% reduction in security vulnerabilities.

Education

• Silicon Valley University

  Master of Science - MS, Computer Science

  2015 — 2016

• Campbellsville University

  Second Master of Science - MS, Information Technology

  2018 — 2020

• Jawaharlal Nehru Technological University

  Bachelor of Technology - BTech

• Campbellsville University

  Master of Business Administration - MBA

  2020 — 2022