Zannatul Naim

Software Engineer

Backend-focused software engineer with a passion for building and deploying scalable cloud-based systems (AWS, Azure). Proficient in Node.js, Flask, FastAPI, and Spring Boot. My work on the BUET Online Job Portal demonstrates my ability to deliver reliable solutions. I thrive on DevOps methodologies and have been recognized in multiple hackathons.

Work Experience

Software Engineer

Cielara AI | Redmond, Washington, United States (Remote)

Nov 2025 - Present

  • Developing digital twin technology to enable real-time monitoring, simulation, and optimization of distributed systems.

Software Engineer I

Synesis IT PLC | Dhaka, Bangladesh

June 2024 - Oct 2025

  • Design and implement a real-time notification system using WebSockets, RabbitMQ, and Redis.
  • Develop a WebRTC monitoring system to analyze video quality and optimize performance.
  • Engineer a scalable centralized management system with Spring Boot 3 and React.js.
  • Build a cross-platform desktop application using Wails and Golang.

Founding Engineer

Sentien.io | Newark, Delaware, United States

Jan 2024 - June 2024

  • Directed and mentored a team of 5 engineers, increasing team productivity.
  • Leveraged Terraform for IaC, achieving a 47.5% reduction in cloud expenditures.
  • Built and automated CI/CD pipelines using GitHub Actions for Windows and Linux.

Software Engineer

Warranty-Worx | California, United States

Mar 2023 - Dec 2023

  • Designed and implemented a house warranty management platform using the MERN stack.
  • Created RESTful APIs and an automated system for warranty deadline notifications.
  • Deployed and maintained application infrastructure on Render.com, ensuring 99.9% uptime.
  • Reduced claim processing time by 60% with an enhanced claim processing system.

Software Engineer

ICT Cell, BUET | Dhaka, Bangladesh

Oct 2021 - Mar 2023

  • Directed the backend team to launch BUET's Job Portal, serving 1,000+ users.
  • Achieved a 40% reduction in response times by implementing caching and optimizing PostgreSQL queries.
  • Managed on-premise deployment using Docker and Nginx.

Education

Bangladesh University of Engineering and Technology

Bachelor of Science in Computer Science and Engineering

Projects

Scalable Websocket

Go WebSocket server with RabbitMQ/Redis, supports 10,000+ concurrent connections

Go RabbitMQ Redis k6

Soul Animal

IaC for Azure, reduced manual errors by 85%, zero-trust security

Terraform Azure

POC Learning Platform

Serverless microservices for scalable online learning

Express.js Serverless AWS

Resume

Download my latest resume to learn more about my professional experience, skills, and achievements in software engineering.

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Technical Skills

Languages

C/C++, Go (Golang), Java, JavaScript, Python, SQL, TypeScript

Frameworks & Libraries

Django, Express.js, FastAPI, Flask, Prisma, Spring Boot

Tools & Technologies

Docker, Git, Nginx, RabbitMQ, Redis, Serverless, Terraform

Databases

MongoDB, MySQL, Oracle, PostgreSQL

Cloud Platforms

AWS, GCP, Microsoft Azure

Extracurricular Activities and Achievements