Adrian Birta

Enhanced usability and performance of a SaaS platform, focusing on invoice lifecycle, API integrations, and user experience. • Refactored invoice lifecycle with React.js, React Query, improving billing transparency by 25%. • Designed multi-contact UI with Material-UI, enabling flexible role management for 500+ users. • Optimized API performance with React Query caching and sync, boosting perceived performance by 40%. • Built real-time activity log with, reducing invoice status inquiries by 15%.

Developed mapping solutions for a geospatial analytics platform, enhancing user engagement and data handling: • Built dynamic mapping features using React, TypeScript, and Mapbox GL JS, increasing engagement by 20%. • Improved UI responsiveness by 15% with Redux Toolkit, Turf.js, and ArcGIS API for 10,000+ records. • Optimized geocoding and navigation with Mapbox SDKs and WebGL, reducing load times by 10%. • Collaborated on REST API integration, ensuring robust data sync for distributed systems.

Architected a modular web portal UI, improving accessibility and performance for enterprise clients. - Developed modular React/TypeScript UI with Material-UI and Tailwind CSS, boosting efficiency by 20%. - Enhanced accessibility with WCAG-compliant HTML/CSS, improving usability for 10% more users. - Achieved 90% test coverage with Jest, reducing deployment errors by 25%.

Modernized a healthcare platform, optimizing performance and data visualization for therapy services. • Upgraded React stack with TypeScript and Redux, reducing technical debt by 25%. • Improved load times by 15% with code-splitting, lazy loading, and React.memo. • Built responsive dashboards with Chart.js and D3.js, enhancing therapy tracking for 1,000+ users.

Led migration of a legacy e-commerce frontend to React, optimizing performance and scalability. • Architected modular React/TypeScript components, cutting page load times by 15%. • Streamlined checkout with optimized Laravel API integration for 2,000+ users. • Achieved 85% test coverage with Jest, reducing bugs by 20%.