Digital currency payment settlement project• Skillfully worked with the lead developer to analyze the project high level requirements in first two monthsof joining and independently delivered the project from detailed architecture design to deployment in aself-resilient, secure, and scalable way. (Spring boot state machine, Aop, Batch job, mutual TLS, Jenkins)• Effectively implemented TLS authentication on the client side for interacting with internal and externalsystems. Receiving recognition from tech lead, QA lead, and manager.Enterprise reconciliation project• Collaborated closely with developers, QA engineers, and client teams on continuous development of theenterprise reconciliation system to reconcile transactions between Visa and clients over external paymentnetworks.• Designed and developed new recon functionalities by analyzing requirements, collaborating with diverseteams, and writing efficient and sustainable code. Functionalities included network level transactionvisualization, transaction split/matching, and transaction file upload.• Designed and implemented CICD Jenkins pipelines and deployment bash scripts for all ERS projects.

Implemented an automated mechanism to fulfill customer requests to raise EBS volume limit on GameLiftfleet instances with AWS SWF and Dynamo.• Developed a janitor to remove orphaned route53 DNS records for GameLift TLS fleets with Spring, Route53,and Step Function.• Resolved repetitive reports of real time script update event issue in AWS GameLift RTS with Java and S3.• Designed and implemented a mechanism to generate and use customer impersonating credentials ininternal service clients with Java, Dynamo, Step Function and Lambda.• Synthesized and debugged production service pipelines before launch with Ruby and CloudFormation.

• Java developer on the Titan team.• Java developer on the Electronic Trading Technology team.• Developed and integrated Fix based tag in trading orders transported through Client Connectivity platform with Java 8. • Configured and replayed trading order messages from client/market sessions to Client Connectivity to ensure backwards compatibility of incoming code releases.• Operated on multiple Linux machines to configure app instances in different environments and performed thread dump to investigate the blocking issue in the session level threads.• Attached debugger to remote JVM on Linux machines to investigate potential bugs in the log replay process.

• Configured database connection pooling with Jdbc3 in Jersey based backend service and reduced API latency by 50ms.• Composed a desktop application which significantly cut teams’ efforts at capturing mocking data and converting queries, using Spring Boot and Java Swing.• Upgraded system context diagrams for FILI distributed software architecture.• Decomposed and modernized legacy web services to microservices with Jersey, Spring, and Oauth2.• Boosted team development velocity and reduced maven build overhead by creating Jenkins pipeline jobs and deploying applications to Fidelity Cloud.• Developed an internal web-based workflow and access management application resulting in reduction up to 50% of user stories in the client team’s backlog.• Spearheaded in client-side application interface and architecture development with Angular 4, Flex layout, Typescript, HTML, and CSS.• Prototyped and optimized restful web services for generic database editor and admin dashboard with NodeJS, Express, MongoDB for maximum speed and scalability.

• Built an internal API registry application adopted across the company to manage internal microservice dependencies.• Designed and developed responsive front end using Typescript, Angular 4, Angular Material, HTML, and CSS.• Prototyped and implemented restful web service with Spring Boot and MyBatis.• Designed resusable PLSQL packages and stored procedures for CRUD operations on API dependency information.• Created automated test suites with utPLSQL on PLSQL stored procedures which significantly reduced code review time and maintenance costs.