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mahadizulfiker
index / work

Everything I’ve built

Products, platforms, packages, and tools. Each is labeled with its type and my honest role, sole author, primary author, or contributor on a team.

Showing all 19 projects

case studies
Mobile app2025–2026

Talktivity

Real-time voice-AI English coach: talk to an AI tutor, get a CEFR report, replay every mistake.

Cut a 32% incomplete-score rate on AI reports to near zero.

Next.jsReact NativeExpoNode/Express
Core contributorPrivate repo
Core frontend + recent React Native mobile work (team of ~6–8).
Web app2026

SeloraX Voice AI

Bangla AI call agent, grown into a multi-tenant platform merchants run themselves.

Gemini LiveLiveKitSIP gatewayCustom Bangla TTS
Primary authorPrivate repo
Primary builder of the voice-AI engine.
Web app2025–2026

Smart Sheba

Daraz-style multi-vendor marketplace with a wallet and a tree commission engine, built solo.

Next.jsNode.jsPostgreSQLPrisma
Sole authorPrivate repo
Website2026

NewTech Engineering

Company website + admin CMS for a manufacturer, staff manage everything, no dev needed.

Next.js 16React 19TypeScriptPrisma / PostgreSQL
Primary authorPrivate repo
Mobile app2025

Danger Alert

Community safety app, proximity alerts and hospital/police routing.

FlutterNext.js PWACapacitorGitHub Actions CI/CD
Primary authorPrivate repo
Game2025

3D Racing Game

Multiplayer 3D car racing in the browser, WebGL + realtime rooms.

SvelteKitThree.jsFirebaseWebSocket
Sole authorPrivate repo
Web app2025–2026

SeloraX Platform

Multi-tenant commerce SaaS. Owned the Shopify and TikTok integrations and storefront SEO.

Next.jsNode.jsPostgreSQLPrisma
ContributorPrivate repo
Contributor across backend, dashboard, and storefront: 495 of 7,252 commits, in a team of about ten.
Website2026

SeloraX Main Website

Marketing site for the SeloraX platform, with a blog, pricing, and full SEO metadata.

Next.js 16ReactTypeScriptCSS Modules
Primary authorPrivate repo
Primary author: 37 of 43 commits.
Web app2025

Question Management

Exam and question-bank platform for a coaching centre, built solo.

Next.jsReactCKEditor 5Node.js
Sole authorPrivate repo
Sole author: 180 of 181 commits.
Package2026

SeloraX Automation API

The webhook and action API behind the n8n node, with queue-backed retrying delivery.

TypeScriptExpressPostgreSQLKnex
Sole authorPrivate repo
Sole author.
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