Project: Electric Vehicle Charging Cloud Solution • Built and maintained a SaaS platform for site and station management using TypeScript, Node.js, and MongoDB. • Provided RESTful/GraphQL APIs for the console website, enabling efficient site management for administrators and operators. • Refactored outdated code, resolving legacy issues and improving overall system performance. • Integrated third-party APIs for Azure Entra and AD B2C SSO, streamlining user authentication processes. • Collaborated with the DevOps team to deploy and scale the application on AWS. • Conducted code reviews and mentored junior developers, focusing on TypeScript best practices. • Supported customer service by addressing reported issues and developing tools to enhance support workflows. Noodoe EV Cloud API server development, DB schema design. Using skills: - Node.js/TypeScript - MongoDB/mongoose/typegoose - Apollo GraphQL - Apache Kafka

A full-stack role contributing to two impactful projects: 1. A B2B e-commerce platform that enhanced the user experience for businesses. 2. An AR communication application designed to address communication challenges in factories. In both projects, I played a key role in designing, developing, and maintaining robust systems, ensuring optimal performance and a smooth user experience from backend operations to client-facing interfaces. Using skills: - PHP laravel framework - Node.js express API server with MySQL database - Vue.js client web page - WebRTC

Developed a communication software at a small company, featuring text and audio chating, location sharing and rewards systems. Responsible for web and API server development, database design, and cloud server setup and management. Using skills: - C#.Net Web API - HTML/Javascript/jQuery/CSS - Google Cloud Platform - Microsoft SQL Database - Flutter

A project-based company where I handled diverse development tasks across various technologies. I contributed to designing, building, and maintaining scalable and efficient systems for clients across multiple industries, with a particular focus on e-commerce platforms and third-party payment integration. Using skills: C# .Net Web API HTML/Javascript/jQuery/CSS React Native PHP/CodeIgniter