Contributed to the open-source library for generating UML diagrams based on Rails Active Record Associations using Ruby.

Implemented Sidekiq (Redis) to reduce performance incidents by 90%, eliminating timeouts for InvoiceGroup endpoints.

Developed an auto-generation system for subscription documents, reducing the average time by 2 hours per configuration file.

Investigated and planned the removal of the Parse ORM in favor of Prisma for MongoDB.

Reduced testing time by 20% by refactoring over 100 long function/Restful APIs and rewriting related unit tests using Rspec, and Jest.

Utilized Docker and other containerization technologies to simplify the configuration.

Implemented rules on Datadog for analytic events and reduce unnecessary logging that require actions by 12%.

Worked in an Agile environment, participating in daily Scrum meetings to deliver high-quality software.

Built models to calculate the cost of construction, saving the internal sales team over an hour for each project cost estimate.

Implemented a Tableau dashboard to visualize the data model and enhance decision-making capabilities.

Architected RESTful APIs to retrieve and render historical notifications with Python Django.

Implemented notification storage with Django ORM supporting efficient query of database.

Utilized object-oriented programming (OOP) principles to create modular components, such as a module for sending HTTP requests

Developed ecommerce web applications using Spring, Java, React, Redux, JavaScript, CSS, and HTML from zero to one.

Designed and implemented improvements to the company’s custom React UI library.

Integrated Stripe payment gateway API using Java.

Enhanced system resilience & tolerance using bulkhead, circuit breaker, rate limiter, retry pattern.

Boosted notification retrieves performance with Redis cache, resulting in 0.4s latency deduction.

Designed and implemented notification service to generate and deliver notifications for more than 50 QPS with Spring Cloud.

Built event-driven services for decoupled services with Spring Cloud Stream and Kafka.

Configured routes using React Router, updated controllers and handled JSON responses.

Set up unit testing using Jest and React-test-render to finish End-to-end test (E2E).

Debugged applications using browser tools such as Chrome Developer and React browser tools.

Improved code reusability using React High-Order-Components.