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Sabbir Howlader
Assistant IT Manager @ NeXbit Ltd.

Full‑Stack Developer building production‑grade web experiences.

I’m Sabbir. I design and ship modern platforms with Next.js, Node.js, and MongoDB—focused on performance, security, and clean UX. Comfortable with real‑time data transfer and event‑driven features.

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  • Performance‑first delivery

    Clean architecture, indexes & caching, Lighthouse‑friendly UI.

  • Real‑time features

    Socket.IO, typing indicators, file uploads, event‑driven flows.

  • Production reliability

    RBAC, validation, audit trails, secure environments.

Featured Projects

A mix of real‑time systems and e‑commerce platforms with modern UX.

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Real‑Time Chat Platform
Full‑Stack • Socket.IO

Real‑Time Chat Platform

Direct + group messaging, file uploads, read receipts, typing indicators, separate socket server.

Next.jsMongoDBSocket.IOTailwindRedux
Case study
LeatherStore BD
E‑Commerce

LeatherStore BD

Niche store with optimized discovery, variant handling, and fast checkout experience.

Next.jsMongoDBTailwindRedux
Case study
Nur’s Portfolio
Portfolio

Nur’s Portfolio

Designer‑friendly portfolio with tasteful animations and a refined layout.

Next.jsFramer MotionTailwind
Case study
Next.jsTypeScriptReactTailwindFramer MotionNode.jsExpressMongoDBMongooseSocket.IOCloudinaryVercelFly.ioNextAuthJWTJoseGSAPThree.jsAblyStripeNext.jsTypeScriptReactTailwindFramer MotionNode.jsExpressMongoDBMongooseSocket.IOCloudinaryVercelFly.ioNextAuthJWTJoseGSAPThree.jsAblyStripe

Experience

  • Assistant Manager — IT

    — NeXbit Ltd.Aug 2025 — Present
    • Maintaining and overseeing the company’s full IT system and infrastructure.
    • Actively developing core applications and internal tools for daily operations.
    • Ensuring smooth performance, security, and scalability across all platforms.

  • System Admin

    — GlobalTec ITOct 2024 — Jul 2025
    • Oversaw and maintained the entire company system and operations.
    • Managed employee workflows, and daily reporting.
    • Implemented system improvements to ensure efficiency and data security.

  • Higher Secondary Certificate (HSC)

    — Uttara Government College2023 — 2024
    • Specialized in Humanities with emphasis on History, Civics, and Sociology.
    • Developed strong analytical, writing, and critical-thinking skills.
    • Engaged in cultural and group activities that strengthened communication and leadership.

  • Secondary School Certificate (SSC)

    — Hogla Betka Secondary School2021 — 2022
    • Focused on core subjects including Mathematics, Science, and English.
    • Built strong foundations in logical thinking and problem-solving.
    • Actively participated in co-curricular and group learning activities.

Need a reliable full‑stack developer for your next project?

I help teams turn ideas into dependable products—fast. Let’s discuss your requirements.