Md. Shirajus Salekin ShafiFull Stack Developer
Profile

Software Engineer with over 2 years of expertise in JavaScript. Skilled in developing production-ready features using React, Next.js, Node.js and TypeScript.

Technical Skills
Languages: — Proficient - JavaScript (2 yrs),  | Intermediate - Python (1 yrs)
Frontend Technologies: — Next.js, React.js, Redux-toolkit, Tailwind CSS, TypeScript
Backend Technologies: — Node.js, Express.js, MongoDB (Mongoose, Prisma), PostgreSQL
Developer Tools: — AWS, Docker, Firebase, Git, Figma, Jira, BitBucket
Work Experience
Freelance Full Stack Developer - Upwork
2025 – present | Remote
  • •Built animated landing page from Figma designs using Next.js and Framer Motion. Integrated REST APIs, fixed client-reported bugs, added i18next for multilingual support, and developed AI chat app for Onsio.ai
    • Graduate Software Engineer - Kounsel
    Jun 2024 – Feb 2025 | CA, USA, Remote
  • •Collaborated in an Agile Scrum team with UI/UX designers to develop production-ready features for over 1,000 users using Angular 17, TypeScript, Firebase, and BitBucket.
  • •Led end-to-end development of a React Formily-based form system, architecting JSON schema patterns and real-time API integrations, Migrated React Formily codebase to a micro-frontend architecture.
  • •Increased Angular 17 application speed by 33% through advanced techniques like route-based code-splitting, server-side rendering, and optimizing third-party library usage, reducing page load time to under 2 seconds.
    • Software Engineering Fellowship - Headstarter AI
    Jul 2024 – Sep 2024 | NY, USA, Remote
  • •Built and deployed 5 AI projects using Next.js, OpenAI, AWS, including a custom RAG chatbot with Pinecone.
    • Projects
    Dev-Forum
  • •Built a Q&A community platform with Next.js, TypeScript, and MongoDB, incorporating Clerk Authentication, Q&A, views, voting, bookmarking, and easy navigation through filters and pagination.
    • NextEvent Manager
  • •Developed an event management platform using Next.js, TypeScript, and MongoDB, implementing advanced CRUD operations, dynamic filters, and server-side pagination, Integrated Stripe payments with webhook.
    • Education
    Bachelor of Science in Computer Science and Engineering, Ahsanullah University of Science & Technology
    Jun 2019 – Nov 2023 | Dhaka, Bangladesh