- Developed non-blocking RESTful API using Open API 3 spec and SpringWebFlux/Reactor.- Enhanced observability with Prometheus, Actuator metrics, distributed tracing SpringSleuth, added Grafana dashboard and alerts.- Developed Kafka/AWS SQS Message Queue functionalities to hook system into biggerdata pipelines involving other internal systems- Setup Jenkins pipeline to build, perform tests, security scan, deploy- Implemented React UI for admin portal

- Designed architect and defined GraphQL BE-FE microservices interfaces.- Proposed and implemented automation pipeline to generate, version schema andtype/input/interface generation for BE/FE/App. This improves the workflow efficiencyand eliminate 30% manual works in changes/refactoring and leverage high level ofabstraction.- Implemented integration and developed integration test for 3rd systems and cloudservices: S3, DynamoDB, Cognito, PingIdentity.- Developed React… Show more - Designed architect and defined GraphQL BE-FE microservices interfaces.- Proposed and implemented automation pipeline to generate, version schema andtype/input/interface generation for BE/FE/App. This improves the workflow efficiencyand eliminate 30% manual works in changes/refactoring and leverage high level ofabstraction.- Implemented integration and developed integration test for 3rd systems and cloudservices: S3, DynamoDB, Cognito, PingIdentity.- Developed React web portal with Styled Component, Apollo GraphQL client and testsuite.- Developed NodeJS/Golang Serverless lambda- Set up GitHub Actions pipeline for build/test/integration test/Jacoco coverage +badges + maven package release/publish. Show less

- Defined GraphQL interface between BE/FE/Mobile.- Developed, planned test plan, and implemented test suite for integrating 3rd systemsand cloud services: ForgeRock, PostgreSQL, Redis Cache, Azure Storage.- Implemented React web portal with Styled Component, Apollo GraphQL client and testset with Enzyme.- Set up Jenkins pipeline for build/test and Production Blue/Green deployment.

- Implemented microservices using Java, Spring Framework and KAFKA for business/systemmonitoring and send to NewRelic for BI/incident alert purposes. System has recognised 3big incidents of malfunctioned 3rd vendors that makes company unable to match fewmillions hundred thousand worth of asset trades.- Built BDD Cucumber Test Automation Framework that allows QA/Tester could effectivelywrite test feature file against their Backend WebSocket/3rd party APIs by simple… Show more - Implemented microservices using Java, Spring Framework and KAFKA for business/systemmonitoring and send to NewRelic for BI/incident alert purposes. System has recognised 3big incidents of malfunctioned 3rd vendors that makes company unable to match fewmillions hundred thousand worth of asset trades.- Built BDD Cucumber Test Automation Framework that allows QA/Tester could effectivelywrite test feature file against their Backend WebSocket/3rd party APIs by simple businesssyntax phrases.- Set up build/test/deployment pipelines and integrate with Jira, Confluence, Codacy forposting results, and code coverage.- Helped Client’s test team improve their Appium test automation project to performbetter test performance against App with customer Bamboo build agent simulator & onAWS device farm. Show less

- Consulted and built containerized Java Spring Boot RESTful API that use Jasper BI reports library to generates Audit, Statement reports with data from PostgreSQL database.

- Involve in Risk Management systems development based on a mix of: Perl, C#, C++, Ruby, SOAP Webservice, XML, JSON, MS SQL...- Develop Financial data consumer from mass amount of Financial data providers.- Implement Web Services providing SACCR, SA-Cva, SIMM for Risk Engine, written in C# and C++.- Write Numerix's product templates parser to integrate Numerix's Product and Pricing library with Vector Risk's Risk Management Engine.- Write Perl script to port core functionalities… Show more - Involve in Risk Management systems development based on a mix of: Perl, C#, C++, Ruby, SOAP Webservice, XML, JSON, MS SQL...- Develop Financial data consumer from mass amount of Financial data providers.- Implement Web Services providing SACCR, SA-Cva, SIMM for Risk Engine, written in C# and C++.- Write Numerix's product templates parser to integrate Numerix's Product and Pricing library with Vector Risk's Risk Management Engine.- Write Perl script to port core functionalities of Risk Management engine as XLL add-ins for Excel. Show less

- Working on system providing Financial Advise using ASP.NET MVC, Web API, Angular JS, Boostrap 3, jQuery, Microsoft SQL Server- Responsible for both Frontend and Backend tasks

- Develop e-commerce website in Japan which supports multi-shops (similar to Amazon or Ebay) based on ASP.NET MVC3 and MS SQL (for important data) and MongoDB (for logging data, customized template)- Automatically import data from various place into sites- Optimize existing code to increase performance and compatibility for vast amount of devices from various carriers- Scum