Parvej Shah is a Software Engineer & AI Systems Developer. He builds production AI voice pipelines, reliable full-stack systems, and real-time infrastructure, currently working with CoderVai.

What is Parvej Shah known for technically?

Parvej Shah is known for building production voice AI agents on Retell AI and n8n workflow automation, with real-time calendar and CRM booking integrations and sub-100ms cached availability lookups; designing automated multi-stage content pipelines with built-in claims-verification gates; and building idempotent payment webhook systems for bKash and Nagad at production scale.

Where is Parvej Shah based and is he available for remote work?

Parvej Shah works remotely with clients worldwide across US, European, and global timezones. He is available for remote engineering contracts and collaborations.

What companies has Parvej Shah worked with?

Parvej Shah has worked on production systems for CoderVai (competitive programming LMS), Minions.AI (AI voice telephony), GenMorphics AI (enterprise workforce management), MathPro Academy (EdTech platform), SellerVai (conversational commerce), and Badhan Blood Network (emergency donor PWA).

Case Studies

Case studies that show how strategy and engineering meet.

Every project here shipped as a real product, not a concept deck. The focus is on the problem, the build approach, and the outcomes that mattered.

9 published projects

Minions.AI 24/7 AI Voice Dispatcher & Speed-to-Lead Platform

Flagship case study

Next.js (App Router)TypeScriptRetell AI (Conversation Flow + WebRTC/SIP telephony)Gemini 2.0 Flash / Gemini 3.1 Flash Liten8n Workflow Automation (self-hosted)EspoCRM & Google Calendar

Minions.AI Voice

AI voice receptionist for trade contractors, built on Retell AI + n8n. Books real appointments end-to-end (Google Calendar + EspoCRM), with a multi-slot conversational intake and an in-memory availability cache that replaced a 1,272ms cold Google Calendar lookup with a <50ms cache hit. Live for a pest-control client (Ironclad Pest Solutions) and a real-estate variant (Horizon Realty).

The multi-slot intake redesign cut average call length from ~3m40s to ~2m18s (measured across the most recent 45 live…

Client: Minions.AI
Role: Full-Stack & AI Voice Engineer
Timeline: 2025 – Present

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Minions.AI Multi-Agent Mission Control Cockpit & Telemetry

Case study

n8n Workflow Automation (self-hosted)Qwen via DashScope (Alibaba Cloud)Next.js (Minions Cockpit review dashboard)TypeScript

Minions.AI Content Engine

Automated content pipeline for trade-contractor marketing: a 4-stage Qwen (DashScope) workflow drafts, edits, and reformats blog and social copy, gated by a claims-checking step before anything publishes. The gate blocks any unsourced claim outright — including a hardcoded rule against fabricating customer results, since there are no paying clients yet to attribute them to.

The claims gate enforces itself in production: it has already blocked assets carrying unsourced statistics and fabric…

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GenMorphics AI Secure Google & Microsoft Enterprise SSO Sign In

Case study

Next.js (App Router, Turbopack)TypeScriptNextAuth.js (Azure AD & Google SSO)PostgreSQL (Prisma ORM — 28-model schema)

GenMorphics AI

Full-lifecycle enterprise workforce management platform for GenMorphics AI Solutions. A single system of record replacing spreadsheets — covering domain-expert onboarding, skill-based task routing, a custom-built NDA lifecycle engine, database-driven access control, and automated payroll for a global contractor base.

GenMorphics moved from ad hoc spreadsheets and manual paperwork to one platform governing the full contractor lifecyc…

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SellerVai AI Social Commerce Salesperson & Multichannel Platform

Case study

FastAPI (Python, Async)Next.js (App Router)PostgreSQL + PGVector (RAG fallback search)FastEmbed (multilingual-e5-small)

SellerVai

Conversational commerce platform for online merchants in Bangladesh. A per-conversation message debouncer, hybrid product search, and a DeepSeek-powered sales agent handle customer chat across Messenger, Instagram, WhatsApp, and Telegram, backed by a merchant analytics dashboard and automated follow-up nudges.

Rapid-fire message bursts get one coherent reply instead of several duplicate ones, by construction — the debouncer m…

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MathPro Academy Mathematics Coaching & Founder Overview

Case study

Next.js (App Router)TypeScriptLexical Rich-Text EditorKaTeX (client-side, runtime LaTeX detection)

MathPro Academy

Full-stack coaching platform for 4,000+ JSC, SSC, and HSC students across Bangladesh. Course delivery, a Lexical-based curriculum editor with inline LaTeX, SSLCommerz/MFS checkout with coupons and bundles, and an admin backend spanning analytics, fine-grained course access control, live classes, and LLM-assisted quiz import.

4,000+ students across JSC, SSC, and HSC tracks use the platform.

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Case study

Next.jsReactTypeScriptTailwind CSS

Codervai CP Platform

Competitive programming training platform for BUET CSE alumni and Googlers at Codervai. An admin-triggered chapter-publishing flow keeps 4,000+ students moving through curated modules. Atomic PostgreSQL upserts handle streak tracking without race conditions when thousands of students submit near midnight.

The platform has enrolled 4,000+ students across training cohorts, working through a bank of 300+ curated algorithmic…

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Center for Policy Research on Business and Development Portal

Case study

Next.js (App Router)TypeScriptPostgreSQL (Prisma ORM — 23-model schema across 38 migrations)SSLCommerz Multi-Installment Gateway

CPR BDDU (University of Dhaka)

Institutional credentialing and executive education platform for the Center for Policy Research on Business and Development at University of Dhaka. Replaces manual Canva certificate generation with a template-driven engine, reconciles multi-installment tuition through SSLCommerz, and lets non-technical staff run program pages, cohort announcements, and a policy research repository without a developer.

Certificate generation moved from a manual, per-student Canva workflow to a templated, bulk, payment-gated issuance f…

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Case study

ReactTypeScriptViteChrome Extension API (Manifest V3)

LinkedIn Brand Assistant

Manifest V3 Chrome extension that injects an AI comment assistant into the LinkedIn feed. Built and shipped a self-healing DOM injection system — an AI-driven strategy generator that re-derives selectors when LinkedIn's markup shifts — to survive LinkedIn's obfuscated, hashed-class DOM. Published to the Chrome Web Store; development is now paused after LinkedIn's anti-automation defenses outpaced what the self-healing system could keep up with.

Shipped and published to the Chrome Web Store.

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Badhan Amar Ekushey Hall Unit Dashboard & Live Blood Group Breakdown

Case study

Next.js (App Router)TypeScriptPrisma 7 (driver adapter)PostgreSQL (Supabase)

Badhan Blood Donation (Amar Ekushey Hall Unit)

AI-parsed Telegram bot for Badhan's student blood donor network at Amar Ekushey Hall, University of Dhaka. Coordinators post free-text donor submissions in a Telegram group; Gemini extracts structured records with a regex fallback, and a blood-group-indexed search surfaces eligible donors past their 4-month cooldown — 407 tracked donors, 599 logged donations.

407 donors and 599 donation records tracked for the Amar Ekushey Hall Unit, entered almost entirely through Telegram …

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