About

Software engineer with international recognition, including placements in the International Blockchain Olympiad 2024 (Netherlands), MasterZ Blockchain & Digital Assets 2023 (Italy), and the Bangladesh Blockchain Olympiad 2023 & 2024. Computer-science background with a technical focus on blockchain architecture for healthcare, smart-contract development, data security, interoperability and protocol design, digital identity and clinical-data frameworks, and decentralized infrastructure for health systems.

Experience

Mar 23 – Present

FOUNDER & PRESIDENT at Patient Bio, HealthTech Startup

Remote / Global

Founded a healthcare data platform that analyzes patient health data and enables secure transfer of medical records globally.

Mar 25 – Present

HEALTHCARE DATA ANALYST & RESEARCH FELLOW at Global Health Research Center

Daffodil Smart City, Dhaka

Advance health innovation beyond data collection, contributing to smarter, stronger and more resilient global health systems.

Sep 24 – Present

CHIEF TECHNOLOGY OFFICER at Schoolxnow

Uttara, Dhaka, Bangladesh

Lead a comprehensive digital platform for Bangladeshi educational institutions — managing students, teachers, fees, attendance and more in one integrated solution.

Oct 22 – Apr 23

BLOCKCHAIN ENGINEER at MasterZ Blockchain & Digital Assets

Rome, Italy

Merit scholarship for the 4th MasterZ by Algorand Blockchain Lab (U25). Top-4 project winner across Asia–Europe–Middle East for the Patient-Bio solution, with an in-depth research paper on the CELO protocol.

Jun 20 – Dec 21

ENGLISH & MATHEMATICS TEACHER at Hasen Ali Prodhan Memorial School

Gazipur, Bangladesh

Taught with the goal of helping students become good people who serve their country through education.

Education

Jan 22 – Dec 25

Daffodil International University

B.Sc. Computer Science & Engineering in Software & Hardware

Savar, Bangladesh

Jul 17 – Aug 19

Gazipur City College

Science

Skills

Languages

TypeScript (~5.9, primary across API / web / libs / scripts / IaC)JavaScript (ESM .mjs/.cjs)Solidity 0.8.28 (EVM London)JavaPythonCChaincodeHCL (Terraform)Bash / PowerShellSQL (Postgres)

Frontend

React 19Vite 7WouterTailwind CSS 4 (+ typography, tw-animate-css)Radix UI + shadcn-style (CVA, clsx, tailwind-merge)TanStack React QueryZustandReact Hook Form + ZodFramer MotionRechartsLucide / React IconsNext.jsHTML / CSS

Web3 & Maps

wagmi + viem + RainbowKit (WalletConnect)Three.js (3D)next-intl (EN/AR i18n)Sentry ReactSocket.IO clientGoogle Maps (@vis.gl/react-google-maps)Leaflet / React-Leafletqrcodelibphonenumber-js

Backend

Node.js 20Express 5 (TypeScript, esbuild)Prisma 5 ORM on PostgreSQL (migrated from Drizzle)Redis (ioredis) sessions + BullMQ queuesSocket.IOnode-cronREST APIsGraphQLgRPC

Auth & Security

JWT (jsonwebtoken)bcryptjsTOTP 2FA (otplib + qrcode)helmetcorsexpress-rate-limitcookie-parserDOMPurify / jsdom sanitization

Blockchain

ethers v6 + viemSafe (Gnosis) SDK (protocol-kit, api-kit) multisigHardhat (+ toolbox, Ignition)SolhintOpenZeppelin Contracts 5.0.2ERC-721 / ERC-1155 / ERC-2981 (URIStorage, Pausable, AccessControl)Hyperledger Besu 24.12.2 (IBFT 2.0, permissioned, zero-gas)Hyperledger Fabric / Chaincode

Databases

PostgreSQL 16 (RDS / embedded-postgres)Prisma + legacy Drizzle migrationsNeon serverless driverRedis 7 (cache + queue)MySQLCouchDBLevelDBIPFS

Cloud & DevOps

AWS (ECS Fargate, ECR, ALB, CloudFront + ACM, S3, RDS, ElastiCache, Secrets Manager / SSM, KMS, WAFv2, CloudWatch + SNS, VPC, EC2, IAM, Auto Scaling, cross-region DR, Lambda)Terraform ≥1.6 (S3 state)Docker (multi-stage, non-root) + ComposeGitHub Actions CI/CD (deploy, Terraform plan, GitOps drift, DB migration, rollback)Kubernetes

Media & Comms

Sharp (images)PDFKitimage-sizeMulter (uploads)Nodemailer + AWS SES (email)Twilio (SMS / OTP)

Observability

Sentry (node + profiling)OpenTelemetryPino logging

Tooling & Test

pnpm 10 workspaces (catalog, supply-chain guard)Orval (typed API client + Zod schemas)PrettierESLint / lint-stagedHuskytsxVitest + Supertest + ioredis-mockautocannon (load testing)

Integrations

Absher (Saudi national-ID KYC — OAuth)TwilioSentryGoogle MapsWalletConnectAWS SES

AI

Large Language Models (pretrained + fine-tuning)Retrieval-Augmented Generation (RAG)Data EngineeringModel Architecture

Leadership

Team leadershipmentoringvendor relationship managementoperational efficiencyexecutive coordination of day-to-day business activities