Who is Tanzim Hasan Prappo?

Tanzim Hasan Prappo is the Chief Technology Officer (CTO) at Abirvaab (https://abirvaab.com/) and a software engineer & AI researcher from Bangladesh specializing in Full Stack development, DevOps, and AI/ML. He solely engineered and deployed the abirvaab.com web platform from scratch and is a CSE undergraduate at Shahjalal University of Science and Technology (SUST) in Sylhet.

What is Abirvaab and what is Tanzim Hasan Prappo's role?

Abirvaab (https://abirvaab.com/) is Sylhet's premier coaching center and competitive MCQ examination preparation platform for HSC and university admissions (SUST, Medical, Engineering). Tanzim Hasan Prappo is the Chief Technology Officer (CTO) at Abirvaab and solely built the entire platform, featuring real-time timed test halls, proctoring signals, automated negative marking, and daily honors leaderboards.

What did Tanzim Hasan Prappo win?

Tanzim Hasan Prappo is the Champion of Friction Hackathon 2026 — Bangladesh's biggest blockchain hackathon — for designing Bangla Coin, a friction-first blockchain payment protocol with smart-contract-enforced delays and decentralized DAO governance.

What technologies does Tanzim Hasan Prappo work with?

Tanzim Hasan Prappo works with Python, TypeScript, React, Node.js, Docker, Kubernetes, AWS, PyTorch, TensorFlow, Solidity, GraphRAG, and Neo4j — across full stack web, DevOps pipelines, and AI/ML systems.

What research has Tanzim Hasan Prappo published or preprinted?

Tanzim Hasan Prappo conducts empirical research in Multilingual AI Safety and Soft Biometrics at SUST. He is the lead author of BanglaBlocker (a 16,800-prompt application-layer LLM security-intent benchmark and in-line guardrail) and creator of BanglaHand (a balanced benchmark dataset of 336 high-resolution handwritten paragraph photographs for writer-independent handedness recognition on Mendeley Data).

Where can I contact Tanzim Hasan Prappo?

You can reach Tanzim Hasan Prappo at tanzimh46@gmail.com or via his GitHub profile linked from www.tanzimhasan.com.

Tanzim Hasan Prappo | CTO at Abirvaab · Software Engineer & AI Researcher

Hi, I'm Tanzim Hasan Prappo

I blend CS with AI/ML & DevOps for intelligence, scalability and just make sense 👀

I recently worked on AI
designing systems that think before they act.

Okay so... how do i do that?

I build automated infrastructure & intelligent systems that people can actually trust.

Tanzim Hasan Prappo · CTO at Abirvaab · Full Stack, DevOps & AI/ML

Hacker Den Presents

FRICTION

Champion — ৳50,000 Prize

via Bangla Coin

Built a friction-first blockchain system that won Bangladesh's biggest hackathon

2026 | Blockchain, Solidity, Smart Contracts

SUST SONGLAP

Bangla Coin · Friction Hackathon

Blockchain Technology

Security Priority

with more in the works

But the real story comes from the tools I've mastered to build these projects with

Core Stack

DevOps

AI/ML

A consistent theme across my work

People trust my code because of how I build

I spend a lot of time
shaping the architecture

Who

What

Why

I focus on understanding...

who I'm helping,

what they're struggling with, and

why this problem matters now.

My Philosophy

In short, I build at the intersection of
autonomous AI and decentralized trust.
I believe that true engineering is about orchestrating chaos into clarity.

I do that by forging unbreakable DevOps pipelines, designing frictionless Full Stack interfaces, and deploying
transparent Blockchain architectures to ensure every system I ship is inherently secure and remarkably human.

Tanzim

If this makes sense, let's chat!

tap to copy

GitHub LinkedIn

things I shipped

Selected Projects

⚡ CTO & Solo Architect Next.jsEdTech

Abirvaab

A competitive exam and admission preparation platform built solo from scratch. Features real-time timed test halls, negative marking, and daily honors leaderboards.

Visit Platform →

🏆 Hackathon Champion BlockchainSolidity

Bangla Coin

Champion of Friction Hackathon (50K Prize). A friction-first blockchain payment protocol featuring smart contract-enforced delays and decentralized DAO governance.

View Protocol →

AI/MLGraphRAGNeo4j

DesiDiet

An intelligent nutrition engine powered by GraphRAG and the 2025 National Dietary Guidelines. Condition-aware dietary advice that thinks before it recommends.

View System →

Full StackAndroidSecurity

Online Attendance

Anti-proxy management system with 3-step verification. Secure, scalable infrastructure for academic integrity and automated course records.

Explore Repo →

Real-timeWebSocketsGameDev

Shoot Your Buddy

Low-latency multiplayer shooting game. Smooth gameplay via optimized socket communication and room-code matchmaking.

Play Game →

empirical benchmarks & science

Research & Publications

Multilingual AI safety, adversarial defense, and soft biometrics benchmarks and open datasets.

AI Safety Preprint (2026) OWASP LLM Top-10

BanglaBlocker: Security-Intent Benchmark & In-Line Guardrail for Bangla LLMs

Defending multilingual LLMs against prompt injection, jailbreaks, and adversarial attacks across Bangla, Banglish, and Code-Mixed inputs with real-time ~12ms latency.

ResearchGate Preprint ↗ Hugging Face Hub ↗

Soft Biometrics Mendeley Data (2026) Submitted to PRL

BanglaHand: Writer-Independent Handedness Recognition Benchmark

A 1:1 balanced demographic benchmark of 42 writers and 336 high-resolution paragraph captures, audited via SIFT + RANSAC homography for left- vs right-handed writer classification.

Mendeley Data ↗ DOI Link ↗

scroll down to stack & slide ↓

my toolkit

Technical Arsenal

Languages

DevOps & Cloud

Frameworks & Tools

live metrics

GitHub Pulse

298

Total Contributions

Oct 2023 — Present

Longest Streak

Dec 2025

12+

Repositories

Public & Private

Top Languages

Python

38%

JavaScript

27%

TypeScript

18%

Dart / Java

12%

Experience

Chief Technology Officer (CTO)

Abirvaab (abirvaab.com) ↗

2026 – Present · Sylhet, Bangladesh

Full-Stack & EdTech Platform

Solo-architected & built full-stack platform (abirvaab.com) using Next.js, Turbopack, Tailwind & Node.js

Engineered real-time timed test hall, instant negative marking, proctoring signals & daily honors ledger

Directing technical infrastructure, cloud operations, instructor exam authoring & engineering roadmap

COO & AI Research Lead
Shonglap (Startup)

May 2026 – Present · Sylhet, Bangladesh

Bangla Conversational AI

AI Safety & Biometrics Researcher (BanglaBlocker & BanglaHand)

Managed speech model fine-tuning & research roadmap

Achievements

Champion — Friction Hackathon 2026
(1st Place)

Team SUST SONGLAP; built a Blockchain-based secure payment system in under 48 hours

Prize: ৳50,000 BDT

Finalist — AI Infinity BuildFest 2026 (Healthcare)

Finalist — BUET CSE Fest 2026 Hackathon (Microservices & DevOps)

Education

B.Sc. in Computer Science and Engineering
(Ongoing)

Shahjalal University of Science and Technology (SUST)

CGPA: 3.94 / 4.00

Stanford Machine Learning Cert (2023)

Let's Connect

Open for roles, research collabs, or just tech talk.

Email Me Abirvaab ↗ LinkedIn GitHub Scholar ORCID ResearchGate

Tanzim Hasan Prappo — CTO at Abirvaab, Software Engineer & AI Researcher Portfolio