MD. ZONAID

Full-Stack Engineer • Backend Specialist • AWS

ih.zonaid@gmail.com · +880 1796927493 · Kishoreganj, Bangladesh · github.com/xementor · linkedin.com/in/ihzonaid

PROFESSIONAL SUMMARY

Full-stack engineer with 3+ years building production systems, specializing in backend architecture and AWS serverless infrastructure. Experienced as sole backend engineer architecting knowledge base synchronization platforms with enterprise integrations. Proven track record mentoring developers, making architectural decisions, and delivering blockchain-based marketplaces. Seeking full-stack/backend roles at remote startups where technical ownership and rapid iteration drive impact.

TECHNICAL SKILLS

Languages: TypeScript, JavaScript, Python, Java, C, Dart
Frontend: Next.js, React, React Native, Expo, Svelte, TailwindCSS
Backend: Node.js, tRPC, Hono, Django, Express, RESTful APIs
Databases: PostgreSQL, DynamoDB, MongoDB, Redis, Firebase, Drizzle ORM
Cloud & DevOps: AWS (Lambda, S3, SQS, SNS, Textract, EC2, Amplify), SST, Docker
Blockchain: Stellar SDK, Web3, NFT protocols, Smart Contracts
Tools: Git, GitHub Actions, Monorepo, Infrastructure as Code

PROFESSIONAL EXPERIENCE

Software Engineer (Full-Stack/Backend)

Action Work LLC • Remote

Jul 2024 - Present
  • Architected knowledge base sync platform as sole backend engineer, implementing 5 enterprise integrations (Google Drive, OneDrive, Confluence, Document360, Sitemap) with 30-min automated sync cycles
  • Built serverless AWS infrastructure using Lambda, SQS, SNS for async document processing; integrated Textract for OCR with 95%+ accuracy
  • Led technical decisions for backend architecture, database schema design (PostgreSQL/Drizzle), and API layer (tRPC/Hono)
  • Mentored junior developer on transaction handling, feature implementation, and architectural patterns in distributed systems
  • Managed infrastructure as code using SST for reproducible AWS deployments; deployed on Amplify with monitoring
  • Developed full-stack app with Next.js, TypeScript, and PostgreSQL serving production customers with real-time sync status

Blockchain Developer (Contract)

Action Work LLC • Remote

2023 - Mid 2024
  • Built multiple NFT marketplace platforms with Stellar blockchain integration, supporting multi-media assets (video, audio, images)
  • Implemented payment systems using Square API and multi-provider OAuth (Stellar, Google, Facebook) with Firebase backend
  • Transitioned project to new developer, providing technical guidance on blockchain transactions, feature development, and design decisions
  • Collaborated across projects, balancing blockchain development with early-stage knowledge base platform work

PROFESSIONAL PROJECTS (Client Work)

AI Knowledge Base Sync Platform | Sole Backend Engineer | Jul 2024 - Present

Enterprise knowledge base synchronization with 5 integrations (Drive, OneDrive, Confluence, Document360, Sitemap), OCR, automated sync. Tech: Next.js, tRPC, Hono, PostgreSQL, AWS (Lambda, S3, SQS, Textract), SST. Live: portal.actn.xyz

Multi-Media NFT Marketplace | Lead Developer | Nov 2023 - Jan 2024

Full-stack marketplace with Stellar blockchain NFT minting, Square payments, OAuth (3 providers). Tech: Next.js, TypeScript, StellarSDK, Firebase. Live: marketplace.wadzzo.com

Audio NFT Platform | Full-Stack Developer | Sep - Nov 2023

NFT-based audio streaming with blockchain ownership and wallet authentication. Tech: Next.js, StellarSDK, AWS Amplify. Live: music.bandcoin.io

PERSONAL PROJECTS

ihStudy Cross-Platform Learning App | 2022-2023

Educational platform with shared React Native/Next.js codebase, monorepo architecture, Redux state management. Tech: React Native, Next.js, Solito, Redux, NativeBase

ihLang Compiler | 2023

Custom programming language compiler demonstrating systems programming knowledge with lexical analysis, syntax parsing, and code generation. Tech: Python

EDUCATION

B.Sc in Computer Science and Engineering

Daffodil International University

2020 - 2024

CGPA: 3.83/4.00