RAY HU

Worked with Connected Vehicle(CV) team to deliver high-quality, reliable and scalable enterprise microservices products on the Amazon Web Service

• Led team of 3 developers to design and develop AWS Native Alarm system based on the CloudWatch Alarm to track 25 application exceptions
• Created best practice restful web service by using Java 11 and Spring Boot 2.4 framework, including version control, custom validation, and appropriate design patterns
• Used Spring JPA to implement optimistic lock to protect against high concurrent data modification
• Used Spring Web Service created SOAP consumers to consume legacy system resources
• Created NodeJS AWS Lambda functions and connected to the AWS API Gateway
• Exposed APIs to the external customer using the Serverless framework
• Experienced infra as code and create 30+ AWS Web service components by using CloudFormation
• Packaged microservice Docker images and used AWS CLI to deploy to AWS ECS
• Experienced worked with AWS CloudWatch Insight and ELK to debug both dev and prod issues
• Created 20 more JMeter script to test up to 100k r/w performance for each micro-service
• Used Postman to create 10 more regression tests to help QA finish their stories
• Created Jenkins Pipeline to trigger remote tasks across different servers and send building result messages to the Slack channel
• Researched and Implemented POC of AWS Event Bridge to handle 100k TPS per day
• Experienced third part security tools, Wiz.io(Cloud Security), Seeker Synopsys(IAST), NexusIQ (open source components scanner) and CloudHeath(Cloud budget report)
• Worked as an AWS Security Champion to provide security guidance for regular application design and implementation
• Collaborated with cross-functional teams to gather and analyze requirements and provide technical recommendations.

Worked as a lead developer in the prepay team to maintain 5 microservice modules to process logic for the new registration customer and existing prepay customer

• Enhanced and added features to handle connecting devices such as car connectivity
• BYOD devices
• Utilized Akka and Play framework to create microservices module and handle a series of multithread services from both internal and downstream payment systems
• Used Redis Cluster to save user browser behavior and crate rate limit feature to block brute request
• Used Kafka to generate order detail messages and consume messages in the scheduled task
• Utilized ELK(Elastic Search, Kibana) to trace bug issues.

Worked with the s2i team at Fidelity Lab to create the Goal Booster, a hybrid savings and investment platform designed to help people meet their short-term savings goals

• Used Angular 4 to create 10 more reusable website components
• Developed and exposed 3 Restful Web Service by using Spring MVC framework
• Created slave node and Jenkins pipeline in Jenkins cluster and set up all CICD environment in Red Hat system
• Reducing building and deploy time from 40 mins to 5 mins
• Added Google Analytics in the TypeScript code for the BA to generate regular user behavior report
• Used Gradle to debug and build Spring application
• Collaborated with cross-functional teams, including UX/UI designers, and QA engineers, to deliver high-quality product.

Worked with the XTRAC Solutions team, an independent company of Fidelity Investments company

• We created and maintained nearly sixteen projects to integrate various requirements from our nearly twenty clients to provide financial document information
• Used Spring4 base application and integrated Apache CXF to consume FI’s inner Soup Service WSDL to get document resources, and exposed Restful endpoint by using JAX-RS
• Used AWS Services designed a cloud solution for Document transform from an on-premises data center to cloud regions
• Created specific AWS IAM role to invoke lambda, S3 cross-region replication, server-side S3 Encryption by AWS KMS
• Solid experience created AWS Lambda functions to handle high volume traffic request from the on-premise data center and used AWS Kinesis to consume and process real-time data
• Experienced with AWS Cloud formation and AWS CLI to create a template for the s3 bucket replica, lambda trigger, kinesis stream etc
• Used Apache POI to convert the spreadsheet to Java Bean and used Apache PDFBox to get all editable fields from PDF File
• Used Junit4 and Mockito to cover the test and used Jacoco to generate the coverage report.

Master Audit System is a microservice architecture project for the healthcare information system for all over US government, hospital and pharmacy

• The system provides friendly interactive GUI interface for the customer who wants to know and verify the validation status of medical institutions
• Updated and Developed container base MAS features by using SpringBoot
• Implemented configuration by using Spring Cloud Config, new feature could help team dynamically change the configuration profile for 5 microservices
• Experienced using Spring Cloud Hystrix to handle customer request and provider circuit breaker functions
• Used MySQL Workbench to operate MySQL database
• Modified simple SQL query from the customer requirement
• Experienced with AWS S3 to store user's report pdf file and generate a download link for the special request customer
• Integrated SonarQube for the test coverage and code quality report, write development document by using Confluence
• Used Enterprise GitHub as a version control tool.