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(Experience · 02)

Core Devs Ltd

Role
Junior Developer → Software Developer
Period
Mar 2024 — Jun 2026
Location
Dhaka, Bangladesh

(Overview)

At Core Devs Ltd. I architected and delivered production features across multiple simultaneous client projects, taking full ownership of frontend architecture and integrating complex third-party systems into production-grade applications.

I owned frontend architecture and component systems across projects, integrated real-time WebSocket connections and blockchain (BSC/TRON) payment flows, mentored junior developers through code reviews and pairing, and led sprint planning and technical estimation in a cross-functional agile team.

(Roles · promoted)

  1. Software Developer

    Promoted

    Aug 2025 — Jun 2026

    • 01Architected and shipped 20+ production features across 5+ simultaneous client projects serving 300+ active users, with React.js, Next.js and React Native
    • 02Took full ownership of frontend architecture — code standards, component systems and design consistency with Tailwind CSS and Shadcn UI across all projects
    • 03Integrated complex third-party systems — real-time WebSocket connections, blockchain payment flows on BSC and TRON, and REST APIs — into production apps
    • 04Mentored 2–3 junior developers through structured code reviews and pair programming, lifting team code quality and delivery speed
    • 05Led sprint planning and technical estimation in a 6-person cross-functional agile team, meeting deadlines across concurrent client projects
  2. Junior Developer

    Mar 2024 — Jul 2025

    • 01Developed and delivered 10+ client-facing web applications with React.js and Next.js, owning the frontend from UI implementation to production deployment
    • 02Designed and built a reusable Tailwind CSS component library that cut UI development time by ~30% and kept concurrent projects visually consistent
    • 03Integrated payment gateways, OAuth providers and REST APIs into production systems for a wide range of client needs
    • 04Took part in agile ceremonies — code reviews, sprint retrospectives and cross-team feature development — in a fast-paced service company

(Work from this role)

(Related services)

(Skills used)

  • Frontend architecture
  • React.js, Next.js, React Native
  • Blockchain payment integration (BSC/TRON)
  • Real-time systems (WebSockets)
  • Mentorship & sprint leadership
  • React.js & Next.js
  • Reusable component systems
  • REST API integration
  • Agile delivery

Built with React · Next.js · React Native · TypeScript · Tailwind CSS · MongoDB · Redux

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