Senior Software Engineer
Abdul Hamid Shuvo
Staff level product engineer with 17+ years in software. I co founded Dwetech and delivered 60+ international client projects from 2009 to 2016. I have spent 9+ years at Chaldal (YC S15), with hands on ownership across shopper products, mobile apps, logistics, and internal platforms.
Core Strengths
- Frontend and mobile product ownership across React, React Native, Next.js, TypeScript, and accessibility-minded UI.
- Production systems judgment from grocery, logistics, payments, dispatch, and unstable-network field operations.
- Backend and platform fluency with F#, .NET, REST APIs, PostgreSQL, Redis, PHP, and MySQL.
- Cross-functional delivery: product shaping, release management, code review, mentoring, regulatory documentation, and stakeholder communication.
Experience
Senior Software Engineer
Chaldal (YC S15) | Dhaka, Bangladesh
Jan 2017 to Present
- Joined when Chaldal had minimal desktop web, no mobile web, and no production native shopper apps; built the mobile web from zero and evolved the production shopper web experience.
- Built the original Android and iOS Chaldal shopper apps from the ground up as primary engineer, with ongoing ownership across releases and shopper-stack reliability.
- Owned Chalao consumer ride sharing product work under Chaldal, including app delivery plus BRTA meetings, documentation, and licensing work.
- Own Chalao Driver, a React Native logistics app for Chaldal's last mile delivery network, designed around dispatch pressure, unreliable connectivity, location accuracy, and Play Store releases.
- Shipped Protocol for 1,000+ internal users, maintained multiple operations apps, and shaped early frontend architecture on Subject and EggShell.
Co-founder & Lead Developer
Dwetech | Bangladesh / remote client delivery
Jun 2009 to Dec 2016
- Co-founded a software company and delivered 60+ projects for clients across the USA, UK, Canada, and Australia.
- Built client systems across PHP, JavaScript, CMS ecosystems, integrations, automation-heavy workflows, and productized internal tools.
- Maintained a 5.0 rating across 63 completed Freelancer.com projects, including long-running repeat enterprise engagements.
Selected Projects
Chaldal Shopper App
Consumer grocery app for Chaldal's national delivery platform. Primary engineer on the original Android and iOS builds; Android 1M+ downloads, 4.4 rating, iOS 4.8 rating.
GogoBangla
Merchant fulfillment app for Chaldal's B2B logistics platform. Ecommerce and f commerce sellers offload picking, warehousing, and last mile delivery through the same national network used for consumer grocery.
Chalao Driver
Production React Native driver app for dispatch, navigation, earnings, and field operations in Chaldal's last mile logistics network.
Protocol by Chaldal
Internal collaboration platform used by operations, finance, HR, and engineering teams; supports task visibility and workflow coordination for 1,000+ users.
Subject / EggShell
Open-source application stack contribution focused on frontend APIs, reusable component patterns, and product development foundations.
Skills
Frontend
TypeScript · React · Next.js · Tailwind CSS · Accessibility · Performance
Mobile
React Native · Android releases · iOS releases · Location systems · Field operations
Backend & data
F# · .NET · REST APIs · PostgreSQL · Redis · PHP · MySQL
Practice
System design · Release management · Code review · CI/CD · Mentorship