Client:

Healthcare Advertising Company - New York, NY, United States

BI tool simplifies data handling (creation, calculations, report generation and export)

• Designed and implemented UI, according to Web Content Accessibility Guidelines.

• Reengineered existing React components for reusability.

• Implemented data validation mechanisms.

• Implemented Role-Based Access Control, improved security and access control.

• Implemented a real-time chat feature based on Socket protocol, enriched user experience.

• Implemented caching mechanism.

• Implemented sorting and filtering functionality, improved data organization and retrieval.

Client:

Marketplace - New York, NY, United States

The platform enables buyers and sellers to connect to exchange goods and services.

• Implemented REST API service, enhanced data access and interactions (Node.js, Express.js).

• Optimized application logic, and reduced client-side workload and HTTP requests.

• Covered over 60% of the system's functionality with unit tests (Jest).

• Optimized data storage and retrieval (PostgreSQL).

• Developed internal JWT-based login service.

• Performed code reviews.

• Rebuilt class components to functional and cleaned up 1/4 of legacy code using best practices (React.js).

Client:

E-Tickets Company - Beverly Hills, California, United States

The platform enables clients to buy and store e-tickets

• Maintained 95% regression test scenario coverage through test case creation, updating, and maintenance

• Attained 100% requirement coverage with tests