Built microservices (Java, Node.js), integrated AI with FastAPI/Flask, led Ionic mobile app with Spring Boot backend, admin portal in Angular, sustainability website, and improved web performance and scalability.

Designed and developed scalable microservices and AWS Lambdas using Java and Node.js, integrated AI models, led mobile and web projects with Angular and Spring Boot, and optimized application performance.

Designed frontend/backend, database, payments, built REST APIs, role-based access, integrated Stripe, optimized queries, managed deployment and product decisions.

Led end-to-end development of a marketplace for influencers, implemented full-stack architecture, REST APIs, Stripe integration, and ensured scalability and operational stability.

Built backend with NestJS, implemented authentication and REST APIs for a monolithic architecture, contributed to frontend with React.

Developed backend for a PWA digitizing menus and orders for restaurants, using NestJS and multiple REST APIs.