SMS Gateway Integration: Architected and maintained backend services using Node.js, Terraform, AWS, and GitLab CI/CD. Message Routing and Delivery: Designed and implemented routing algorithms and load balancing techniques, ensuring timely message delivery and handling failures. Contributed to a team of 10 developers. Admin Dashboard: Fullstack development (Vue.js, PHP, Node.js) with a team of 5 developers and 1 QA. Led architectural decisions to ensure scalability and performance. Public Dashboard: Fullstack development (Vue.js, PHP, Node.js) in a team of 15, including 10 developers, 4 QAs, and 1 DevOps. Spearheaded the design of an efficient and maintainable architecture. Database Design: Developed and optimized database schemas to support high-volume data transactions and ensure data integrity across various services. Worked with both SQL and NoSQL databases, implementing best practices for performance tuning and data modeling. Cloud AWS System Design: Designed and deployed new services with cloud infrastructure on AWS using services such as EC2, S3, RDS, and Lambda.

Build Frontend and CI/CD pipeline from scratch using ReactJS, Redux, Terraform, and AWS with a team size of 3 developers and 1 QA. Design and develop backend systems utilizing NodeJs and deploy on AWS EKS through a CI/CD pipeline, collaborating with a team of 2 developers and 1 QA.

Led a team of 8 members including 3 backend developers, 3 frontend developers, 1 QA, and 1 mobile developer. Built What, Why, How kickoff process in conjunction with agile scrum methodology. Established frontend and backend repositories from scratch. Set up CI/CD pipeline for customer's AWS account using NestJs, NextJs, Flutter, and CircleCI.

Asset Preview and Visualization: Developed Vue.js components using libraries like Three.js to create engaging experiences for previewing 2D or 3D assets and panoramic images. Responsive and Mobile-Optimized Design: Managed interfaces to ensure they are both responsive and optimized for mobile devices. Blockchain Integration: Worked with web3-react and web3.js to integrate decentralized applications (dApps) on the Ethereum blockchain for customer-facing pages. Digital Asset Storage: Utilized Solana and Rust for building solutions for digital asset storage.

System Architecture and Design: Participated in designing the overall architecture of the healthcare booking system, considering scalability, security, and performance. Collaborated with team members to identify the best technology stack and frameworks to use. Backend Development: Worked on developing the server-side components of the booking system. This included designing and implementing APIs, integrating with external services such as payment gateways or insurance providers, managing databases, and ensuring data privacy and security. Used ExpressJs and Python in a team of 8 members. Frontend Development: Built the user interface for the booking system, focusing on providing a seamless and user-friendly experience. Developed responsive and accessible web pages using HTML, CSS, and JavaScript frameworks like ReactJs.