PROJECTThe Home Depot ➤ American multinational home improvement retail corporationHIGHLIGHT#RemoteWork | #InternationalProject | #GlobalTeam | #Refactoring | #AgileVALUABLE ACCOMPLISHMENTS ● Refactored the legacy code of an entire service to make it more generic for expansion according to new requirements ➤ BY analyzing the code, the behavior of APIs and making specific rules configurable instead of hardcoded ➤ LEADING to improved reusability and maintainability to better accommodate these new requirementsTECH STACK● #Java17 ➤ Gradle● #Spring ➤ MVC | Boot● #Microservices | #APIs ➤ Sync Messages (REST APIs)● #GCP

PROJECTTMRW Life Sciences ➤ Automated platform for the safe management | care of the frozen eggs | embryos used in IVFHIGHLIGHT#RemoteWork | #InternationalProject | #GlobalTeam | #SystemDesign | #Refactoring | #TechnicalDocumentation | #Agile | #ProblemSolving | #ContinuousImprovementVALUABLE ACCOMPLISHMENTS● Improved debugging for async communication issues ➤ BY implementing metrics, configuring Grafana and creating dashboards for monitoring messages ➤ LEADING to improved observability in publishers and subscribers● Solved async communication issues ➤ BY using a NoSQL database (Redis) to handle:○ Duplicate messages ➤ LEADING to improved performance in the subscriber○ Out-of-order messages ➤ LEADING to improved data consistency in the subscriber● Refactored a message retry implementation ➤ BY reusing the Pub/Sub out of the box feature instead of handling it by code ➤ LEADING to improved maintainability in the subscriber● Redesigned an event-driven implementation (Pub/Sub) where a topic had two subscriptions (s1 and s2) and s2 was overloaded processing many messages intended only to s1 ➤ BY creating a specific topic for s2 ➤ LEADING to improved performance and cohesion in the subscriber of s2● Refactored the backend design and code ➤ BY moving from the Layered style to the Hexagonal Architecture style ➤ LEADING to improved maintainability in the applicationTECH STACK● #Java11 | #Java17 ➤ JUnit | Mockito | Maven | Gradle● #Spring ➤ MVC | Boot | Data JPA | Cloud● #Microservices | #APIs | #Messaging ➤ Sync Messages (REST APIs) | Event-Driven Async Messages (Pub/Sub)● #SQL | #NoSQL ➤ MySQL | Redis● #ApplicationMonitoring ➤ ELK Stack | Prometheus | Grafana● #GCP● #DevOps ➤ Docker | Kubernetes | GitLab CI/CD● More ➤ Git | GitLab | OpenSpecimen

PROJECTAdtalem Global Education ➤ Innovative education platformHIGHLIGHT#SystemDesign | #Agile | #ProblemSolvingVALUABLE ACCOMPLISHMENTS ● Decreased the need for machine resources ➤ BY refactoring sync REST APIs from blocking to non-blocking ➤ LEADING to improved vertical scalability in the application● Decreased the quantity of messages published ➤ BY rearranging publisher and subscriber responsibilities ➤ LEADING to improved performance in the subscriber● Segregated read and write operations between SQL and NoSQL databases ➤ BY implementing the CQRS pattern ➤ LEADING to improved horizontal scalability in the applicationTECH STACK● #Java8 ➤ JUnit | Mockito | Maven● #Spring ➤ MVC | Boot | Data JDBC | Data DynamoDB | Cloud | Reactor● #Microservices | #APIs | #Messaging ➤ Non-Blocking Sync Messages (REST APIs) | Event-Driven Async Messages (SQS)● #SQL | #NoSQL ➤ PostgreSQL | DynamoDB | Elasticsearch | Redis● #AWS● #HTML | #CSS | #JS | #AngularJS● More ➤ Git | Bitbucket | SASS | Bootstrap---PROJECTHyatt Hotels Corporation ➤ Hotel management platformHIGHLIGHT#Refactoring | #AgileVALUABLE ACCOMPLISHMENTS ● Increased SQL database availability ➤ BY adjusting transaction handling ➤ LEADING to improved performance in the application● Refactored the frontend design and code ➤ BY moving from AngularJS to React ➤ LEADING to improved maintainability in the applicationTECH STACK● #Java7 ➤ Hibernate | JUnit | Mockito | Maven● #Spring ➤ MVC | Data JPA● #Monolith | #APIs ➤ Sync Messages (REST APIs)● #SQL | #NoSQL ➤ PostgreSQL | Hazelcast● #HTML | #CSS | #JS | #AngularJS● #React ➤ Redux | React Hooks | Jest | Enzyme● More ➤ Git | SASS

PROJECTHSBC ➤ HSBC Bank's IFRS (International Financial Reporting Standards) projectHIGHLIGHT#Microservices | #Refactoring | #TechnicalDocumentation | #Agile | #Leadership | #ContinuousImprovementVALUABLE ACCOMPLISHMENTS● Analyzed requirements and designed solutions ➤ BY communicating directly with the Product Owner ➤ LEADING to successful deliveries● Refactored the backend design and code ➤ BY implementing OO patterns ➤ LEADING to improved maintainability in the application● Created technical documentation ➤ BY using UML diagrams ➤ LEADING to improved maintainability in the application● Decreased the need of I/O operations for both database and web services ➤ BY adding cache management ➤ LEADING to decreased processing time of a huge calculation use caseTECH STACK● #Java5 ➤ Ant● #Microservices | #APIs | #Messaging ➤ Sync Messages (RPC) | Event-Driven Async Messages (ActiveMQ)● #SQL ➤ Sybase● More ➤ MKS Integrity | Calypso Technology | Enterprise Architect

PROJECTe-Jovem ➤ Web development course for low-income students from public schoolsHIGHLIGHT#Leadership | #Programming | #Teamwork | #Mentoring | #ContinuousImprovementVALUABLE ACCOMPLISHMENTS● Taught the basics of how to develop a web application● Managed an entire web development course for 15+ school studentsTECH STACK#Python | #HTML | #CSS | #PHP | #SQL | #Java5

PROJECTe-Jovem ➤ Web development course for low-income students from public schoolsHIGHLIGHT#Leadership | #Programming | #Teamwork | #Mentoring | #ContinuousImprovementVALUABLE ACCOMPLISHMENTS● Taught the basics of how to develop a web application● Managed an entire web development course for 15+ school studentsTECH STACK#Python | #HTML | #CSS | #PHP | #SQL | #Java5