• Decreased costs by 65% - 95% for each query call by developing the approximation algorithms standard using Apache Data Sketches, reducing computations and resources.• Engineered a Scala library to manipulate and analyze Big Data from AWS S3, facilitating efficient data sharing between all teams using approximation algorithms.• Conducted all Scala unit tests and manual Spark tests, ensuring less than 1% approximation error.

• Migrated insurance tracking app from legacy Thymeleaf to Angular, enhancing scalability by reducing future development time by 20% and streamlining feature updates.• Developed 10+ Angular pages with respective REST APIs, fixed bugs, and wrote migration documentation with detailed instructions.• Resolved over 15 security vulnerabilities on the legacy web application.

• Engineered Out-of-Wallet API as an independent micro-service handling 100+ calls per day by extracting from legacy service.• Redesigned API with new architecture, Java code, and workflow diagrams.• Wrote a comprehensive unit test suite, manual QA test procedure of over 20 tests and deployed to AWS EC2 QA environment with Jenkins.

• Collaborated with multiple developers as a team with Docker and GitLab to create web pages for clients that would allow them to keep track of the inventories of their respective company• Increased website functionality by adding features: save and delete information by sending and receiving requests using REST APIs, implement a translation function that allows the user to switch between languages by utilizing Vue.js.• Technical requirements: Vue, Javascript, Docker, Git