selected work
Full-stack builds from scratch — custom CMSs, SaaS platforms, payments, real-time apps and API integrations — for clients on Upwork, Fiverr and direct contracts.
Full website and admin CMS for a Bangladeshi nonprofit (since 2008): online scholarship applications with review workflow, donation management, job postings, success stories, media library, homepage builder, multilingual content and a per-page SEO manager.
An open-access journal system: public reading site, author submissions, reviewer portal, editorial decisions, volumes & issues, article payments, email templates, sitemaps & feeds — plus an automatic Word-to-PDF typesetter.
A paid counseling SaaS comparing colleges by cutoffs, placements, fees, research and scholarships, with subscription plans, coupons, cart & Razorpay checkout, Google sign-in and PDF reports.
Multi-store online ordering with menus, modifiers and promos, Stripe payments, Twilio phone verification, DoorDash delivery dispatch, automatic kitchen-receipt printing via PrintNode, and sales reports.
A real-time chat community: public rooms, private messages, favorites, moderator tools with bans and blocks, custom themes, captcha-protected sign-up and a JSON API.
Campaign and contract-renewal management connected to Salesforce through OAuth and the REST API, with call scripts, categories and live notifications.
Professional profiles with education and work history, reviews and ratings, role management, in-app messaging and payout disbursements, with Google sign-in.
A Bangla, English and German law-firm site with a full CMS for lawyers, practice areas, portfolio files, pages and per-page SEO.
Website and CMS for a university student association: member profiles, content pages, events and SEO, all editable by non-technical officers.
Customized and launched a creator-economy platform: paid subscriptions, pay-per-view posts, tips, live streaming, stories and messaging, with Stripe Connect and multiple payment gateways.
A multi-agent WhatsApp inbox with in-browser calling and a live statistics dashboard for an insurance company's operations team, synced across every agent.
A weather app whose headline card shows what to wear hour by hour, with current conditions, an hourly chart and a ten-day outlook. No backend, no API key.
A pickup-request system for electronic waste: a public scheduling form and an admin panel to track and manage collections.