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Khan Washim

@khanwashim

Full-Stack Developer at Unicorn Software and Solutions building MERN applications, including the 15 Minute Exam BCS portal.

Bangladesh

Message

At Unicorn Software and Solutions, I architect, develop, and deploy production-grade MERN applications. I migrated legacy frontend configurations to Vite, reducing hot-reload times by 60%, and integrated i18next localization and Stripe and SSLCommerz payments.

I built 15 Minute Exam, a BCS preparation portal with a real-time countdown, automated question seeding, and instant performance analytics. I also developed BashaBari, a localized rental platform with location-based search and dynamic filtering.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Unicorn Software and Solutions

Apr 2023 - Present (3 years 6 months)

Architected, developed, and deployed 5+ production-grade MERN stack applications using Render and Vercel. Optimized frontend build performance with Vite, implemented i18next for localization, and integrated Stripe and SSLCommerz payment gateways.

MERN Stack React NodeJS MongoDB Vite I18next Stripe SSLCommerz Render Vercel

Full-Stack Developer

Mid-Level Experience

Jan 2021 - Mar 2023 (2 years 2 months)

Developed responsive administrative dashboards with modern Glassmorphic and Soft UI aesthetics, increasing user engagement by 25%. Integrated JWT-based authentication and Role-Based Access Control (RBAC) across multi-tenant platforms.

React JWT RBAC Figma UI UX Dashboard Design