• Involved in all phases of SDLC in Analysis, designed applications using Agile methodologies.• Implemented Microservice architecture using Spring Boot 2.1 and Spring Cloud.• Implemented payment gateway with AWS API Gateway and Braintree Payment API.• Used AWS Lambda to develop transactions processing REST API for credit card and checking accounts.• Integrated Elasticsearch with Spring Data Elasticsearch to improve product searching performance.• Built Single Sign-On (SSO)… Show more • Involved in all phases of SDLC in Analysis, designed applications using Agile methodologies.• Implemented Microservice architecture using Spring Boot 2.1 and Spring Cloud.• Implemented payment gateway with AWS API Gateway and Braintree Payment API.• Used AWS Lambda to develop transactions processing REST API for credit card and checking accounts.• Integrated Elasticsearch with Spring Data Elasticsearch to improve product searching performance.• Built Single Sign-On (SSO) authentication using OAuth 2.0.• Enabled service discovery and registry with Eureka and Hystrix for fault tolerance.• Used RabbitMQ as an Event-Driven backbone for asynchronous communication between microservices.• Implemented asynchronous messaging using Apache Kafka 2.0.• Applied AWS ElastiCache as cache to decrease access latency and ease the database load.• Used Spring Security 5 and AWS Cognito for user authentication and authorization.• Worked with Node.js, React and Redux for developing Single Page Applications (SPA). • Used JUnit 5 testing for Test Driven Development and tested the endpoint of web services using Postman.• Configure AWS CloudWatch agent to monitor service and application metrics. • Used Tableau for dynamic sales data visualization on the Admin Dashboard.• Involved in configuration and deployment of application with Tomcat Application Server. • Implemented CI/CD using Git, Jenkins, Maven and Docker and also used AWS services like ElasticBeanStalk.• Use Jira for bug tracking. Show less

· Developed a web application based on Spring MVC design pattern.· Registered services with Eureka, added Load Balancer with Ribbon, provided API Gateway with Zuul, attached fall back method with Hystrix, implemented Spring Cloud Stream with RabbitMQ.· Designed and implemented its persistence interfaces and implemented with Spring Data JPA/Hibernate.· Performed CRUD operations, forms related to payment processing and store procedure in MySQL.· Implemented Spring Security using… Show more · Developed a web application based on Spring MVC design pattern.· Registered services with Eureka, added Load Balancer with Ribbon, provided API Gateway with Zuul, attached fall back method with Hystrix, implemented Spring Cloud Stream with RabbitMQ.· Designed and implemented its persistence interfaces and implemented with Spring Data JPA/Hibernate.· Performed CRUD operations, forms related to payment processing and store procedure in MySQL.· Implemented Spring Security using OAuth 2.0 framework for authentication and authorization.· Implemented a messaging system to communicate between users using Apache Kafka.· Involved in building single page using HTML 5, CSS3, and ReactJS 15 framework.· Developed test cases and performed unit test using JUnit. Used Maven for dependency management and used Jenkins for continuous integration and end-to-end build and deployment automation of web applications and Microservices.· Used Git for version control and JIRA for bug reporting. Show less

· Designed and developed the Smart Home system using a combination of technologies such as MQTT, Node-RED, and AWS IoT Core.· Implemented a scalable and robust gateway device that is responsible for collecting data from all the constrained devices and communicating with the cloud.· Developed the mobile app and web interface using React Native and React, respectively, to enable homeowners to interact with the Smart Home system.· Implemented automation rules using Node-RED to allow… Show more · Designed and developed the Smart Home system using a combination of technologies such as MQTT, Node-RED, and AWS IoT Core.· Implemented a scalable and robust gateway device that is responsible for collecting data from all the constrained devices and communicating with the cloud.· Developed the mobile app and web interface using React Native and React, respectively, to enable homeowners to interact with the Smart Home system.· Implemented automation rules using Node-RED to allow the Smart Home system to respond to different events, such as turning on/off the lights when someone enters a room.· Implemented security monitoring features, such as motion detection and door/window sensors, to detect and alert homeowners of any unusual activity.· Implemented energy management features, such as scheduling and power monitoring, to optimize energy usage and reduce electricity bills.· Configured AWS services such as AWS Lambda, AWS API Gateway, and AWS DynamoDB to support the Smart Home system's cloud infrastructure.· Used JUnit 4 testing for Test Driven Development and tested the endpoint of web services using Postman.· Used Git for version control and Jenkins for continuous integration and deployment. Show less

· Designed and built test bench for the Connected Gateway (CGW). · Developed automation test scripts for several features of CGW using TestNG framework, including HV preheating, EVM(Electrical Vehicle Data Collection Message), E-call, and auto-sunroof, which covered over 1000 test cases. · Increased the automation rate of the test of CGW to 85%. · Implemented a messaging system to communicate between CGW and Cloud Service using Apache Kafka.· Responsible for the EVM feature’s… Show more · Designed and built test bench for the Connected Gateway (CGW). · Developed automation test scripts for several features of CGW using TestNG framework, including HV preheating, EVM(Electrical Vehicle Data Collection Message), E-call, and auto-sunroof, which covered over 1000 test cases. · Increased the automation rate of the test of CGW to 85%. · Implemented a messaging system to communicate between CGW and Cloud Service using Apache Kafka.· Responsible for the EVM feature’s test and successfully passed the test of SINOAUTO FEDERATION. · Responsible for device setting up of road tests to improve CGW’s 4G performance. · Used Gitlab for version control and Jenkins for continuous integration and deployment.· Used JIRA for bug reporting. Show less

· Designed and developed a web-based application using the Spring MVC framework and MySQL database.· Developed user authentication and authorization features using Spring Security.· Implemented CRUD operations for managing student and teacher information using Hibernate and Spring Data JPA.· Developed class scheduling features using the Quartz scheduler and implemented the ability to send schedule notifications to parents and teachers via email by SMTP protocol.· Implemented… Show more · Designed and developed a web-based application using the Spring MVC framework and MySQL database.· Developed user authentication and authorization features using Spring Security.· Implemented CRUD operations for managing student and teacher information using Hibernate and Spring Data JPA.· Developed class scheduling features using the Quartz scheduler and implemented the ability to send schedule notifications to parents and teachers via email by SMTP protocol.· Implemented vaccine management features, including tracking vaccine due dates and sending notifications to parents when their child is due for a vaccination.· Implemented billing features, including generating invoices and tracking payments.· Implemented payment gateway with AWS API Gateway and Braintree Payment API.· Used AWS Lambda to develop transactions processing REST API for credit card and checking accounts.· Developed a parent communication portal to allow parents to view their child's schedule, update their contact information, and communicate with teachers.· Implemented test-driven development using JUnit 5 and Mockito. Show less

• Developed a Java web application using Java Servlets.• Used HTML5, JavaScript, and CSS3 for front-end web designs with AJAX to implement dynamic web pages and share data between the server side and client side.• Implemented Session Management to authenticate and validate the client’s identity and invalidate each session after a timeout or client’s logout. • Applied Hibernate 5.1 to map data objects to relational tables in MySQL Database. • Implemented Data Access Object (DAO)… Show more • Developed a Java web application using Java Servlets.• Used HTML5, JavaScript, and CSS3 for front-end web designs with AJAX to implement dynamic web pages and share data between the server side and client side.• Implemented Session Management to authenticate and validate the client’s identity and invalidate each session after a timeout or client’s logout. • Applied Hibernate 5.1 to map data objects to relational tables in MySQL Database. • Implemented Data Access Object (DAO) layer to retrieve data from Database. • Designed and implemented unit testing before development using JUnit 4.• Used Git for version control and Postman for web service testing. Show less