# Khalid Saifullah Fuad

> Full-Stack Shopify App Developer with 2+ years of experience building applications using Node.js, React.js, and Shopify Admin API.

Khalid is a software developer specializing in Shopify app development. He creates full-stack applications including custom admin interfaces and API integrations between Shopify stores and third-party services. His expertise spans JavaScript, TypeScript, React.js, Node.js, Express.js, GraphQL, MongoDB, and PostgreSQL.

## Contact

- [Email](mailto:khalidsaifullahfuad@gmail.com): Primary contact for opportunities and collaborations
- [GitHub](https://github.com/KhalidSaifullahFuad): Open source projects and code repositories
- [LinkedIn](https://linkedin.com/in/khalidsaifullahfuad): Professional profile and work history
- [X (Twitter)](https://x.com/khalidsaiffuad): Social updates and tech discussions
- [WhatsApp](https://wa.me/+8801757026989): Direct messaging

## Experience

- [Hastech IT Limited](https://khalidfuad.com/#experience): Current employer - Shopify App Developer (March 2024 – Present)
- [graph-ai](https://khalidfuad.com/#experience): Former employer - Java Programmer (February 2022 – March 2023)

## Projects

- [Social Medium](https://github.com/khalidsaifullahfuad): Social media application built with Spring MVC, Hibernate, Spring Security, JSP, and Docker
- [E-Wallet](https://github.com/khalidsaifullahfuad): Multi-module blockchain-like wallet application using Spring Boot, Angular, and Microservices
- [More Projects on GitHub](https://github.com/khalidsaifullahfuad): Explore additional repositories and contributions

## Skills

Core technologies: JavaScript, TypeScript, Java, React.js, Next.js, Express.js, Node.js, GraphQL, RESTful APIs, MongoDB, PostgreSQL, Docker, Shopify Liquid, Shopify Admin API, Shopify Polaris UI, Git, GitHub Actions, Firebase, JWT, OAuth.

## Education

- Southeast University: BSc in Computer Science and Engineering (2021 – Present)
- Dhaka Polytechnic Institute: Diploma in Computer Engineering (2016 – 2021)

## Optional

- [Website](https://khalidfuad.com): Full portfolio with detailed experience and project information