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Full Stack Software Engineer

Building scalable web
& mobile products
with care.

I’m Eshan — a full stack engineer based in Dhaka with ~3 years of experience shipping ERP systems, real-time applications, and e-commerce platforms. I care about system design, performance, and the details.

See my workOr say hello →
Portrait of Eshan Ahamed

Selected work

2023 — Present
  1. Dec 2025 — Present
    Dhaka, Bangladesh

    Software Engineer · Yeamazing Bangladesh Limited

    • Contributed to scaling a B2B cashback e-commerce platform across web and mobile.
    • Led development of the merchant mobile app, owning architecture and feature design with Expo.
    • Engineered a storefront system enabling product-level discovery instead of store-only browsing.
    • Built the mobile purchase flow — browse, cart, payment, cashback — and integrated SSLCommerz.
    • Improved a real-time chat system and shipped a QR-based in-store cashback flow.
    • Next.js
    • React Native
    • Expo
    • PostgreSQL
    • AWS
  2. Aug 2023 — Nov 2025
    Dhaka, Bangladesh

    Software Engineer · Dhaka Apps Limited

    • Built a large-scale ERP covering inventory, procurement, sales, HRM, accounting, and reporting.
    • Architected role-based workflows and permission systems for admins, accountants, and operators.
    • Improved backend performance by ~70% through query optimization, indexing, and caching.
    • Refactored a medical diagnosis platform serving thousands of daily users for stability and accuracy.
    • Shipped biometric patient identification and a WebSocket-based passport scanning auto-fill.
    • React
    • Express.js
    • NestJS
    • MySQL
  3. Jan — Apr 2023
    Hyderabad, India (Remote)

    Software Engineer Intern · City Tech Innovation Pvt. Ltd.

    • Contributed to multi-platform e-commerce apps across web and mobile.
    • Implemented UI features, PayPal payment integration, and location-based services.
    • Assisted backend API development to improve performance and data handling.
    • React
    • React Native
    • Express.js
    • MongoDB
    • AWS

Projects

Case studies
  1. Flagship·Contributor
    2025 — Present
    Read case study →

    Yeamazing — B2B & B2C Commerce Platform

    A cashback commerce platform that started as a B2B-only storefront and grew into a full B2C marketplace with partner tools, POS, and native mobile apps.

    • Next.js
    • React Native
    • Expo
    • PostgreSQL
    • AWS
    • SSLCommerz
  2. Large·Solo build
    2023 — 2025
    Read case study →

    ERP System — Purchase, Sales, Projects, Service & Accounting

    An end-to-end ERP where purchase, sales, project, and service modules feed a connected accounting engine that produces an accurate income statement and balance sheet.

    • React
    • NestJS
    • Express.js
    • MySQL
  3. Large·Solo build
    2023 — 2025
    Read case study →

    Hospital Management System

    A full clinical workflow — from patient registration to lab results and auto-generated reports delivered by SMS — used daily by a hospital.

    • React
    • Express.js
    • MySQL
    • WebSocket
  4. Medium·Solo build
    2024
    Read case study →

    E-Relatives — Health Management Platform

    A consumer health platform that brings blood requests, doctor appointments, medicine, and emergency services into one place.

    • React
    • Node.js
    • Express.js
    • MongoDB

About

I focus on backend systems with Node.js and enjoy the whole loop — from database schema to the last pixel. Recently I’ve been building B2B commerce, ERP, and healthcare platforms used by thousands of people every day.

I studied Mathematics at Dhaka College, and that habit of careful reasoning shows up in how I approach system design and performance work. When something feels slow or fragile, I want to understand why before I touch it.

Toolbox

Frontend

  • React
  • Next.js
  • React Native
  • TypeScript
  • Tailwind CSS

Backend

  • Node.js
  • Express.js
  • NestJS
  • Hono
  • Python
  • Go

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • MSSQL

DevOps & Tools

  • Docker
  • AWS (EC2, S3)
  • Nginx
  • Unit Testing

Contact

Have a project in mind?
Let’s talk.