About

Senior Software Engineer

I am a Senior Software Engineer at SJ Innovation. I build production web applications with React, Next.js, TypeScript, Node.js, and Python. I own frontend architecture and work on APIs, auth, and integrations.

Work includes healthcare and SaaS platforms and CI/CD with GitHub Actions. Secondary: a published IEEE paper on comment-based attacks against LLMs, for AI security and research-track readers. 7+ years of corporate experience since 2019.

Experience

  • Module Lead (Frontend)

    SJ Innovation LLC. May 2019 - Present.

    • Designed and delivered scalable web applications, owning frontend architecture while collaborating on end-to-end system design.
    • Built and maintained production systems using React, Next.js, TypeScript, and modern frontend tooling.
    • Worked with backend teams on API design, data contracts, authentication, and feature integration.
    • Contributed to backend services and integrations using Node.js and Python where required.
    • Worked on CI/CD pipelines using GitHub Actions to automate build, test, and deployment workflows.
    • Led technical discovery, estimation, and architectural discussions across frontend and full-stack features.
    • Mentored engineers through code reviews and sprint execution; participated in technical interviews.
    • Improved application performance and reliability, achieving ~30% load-time reduction on production systems.

  • Software Developer (Freelance / Contract)

    Freelance. 2015 – 2018.

    • Built and delivered client-facing web applications for international clients.
    • Worked across frontend development, backend integrations, and production deployments.

Stack

React, Next.js, TypeScript, Node.js, Python, FastAPI. AWS, Docker, and CI/CD.

Location

Based in Sylhet, Bangladesh. Open to Germany, Netherlands, and Canada.

CV