QUALIFICATION	BOARD	SCHOOL/COLLEGE
SSC	Dhaka	Milestone College
HSC	Dhaka	Milestone College
BSc in CSE	Dhaka	Independent University, Bangladesh

Skills

Backend

Node.js, Nest.js, TypeScript, Express.js

Databases

PostgreSQL, MySQL, MongoDB, Influx DB, Redis

Cloud & DevOps

AWS, VPC Peering, Route 53, Docker, CI/CD (GitHub Actions), Nginx, PM2, Pulumi (IaC)

Frontend

React.js, Next.js

Tools & Technologies

Git, Linux

Blockchain

Ethereum, Hyperledger Fabric, Hardhat, Hyperledger Besu & IPFS

Testing

Jest, Mocha

Methodologies

Agile, SDLC

Work Experience

Sr. Software Engineer (Backend Focused)

Neoscoder March 2025 – Present

Developing and maintaining backend services using Node.js and NestJS.
Designing and optimizing relational and NoSQL databases for performance and scalability.
Mentoring junior developers, conducting code reviews, and providing technical guidance.
Implementing and maintaining CI/CD pipelines to streamline deployment workflows.
Collaborating closely with frontend and mobile teams to deliver seamless product features.

Software Engineer (Backend Focused)

Anchorblock Technology August 2022 – February 2025

Contribute to full-stack development using JavaScript (Nest.js, React.js) and deployment
Develop and optimize features in collaboration with cross-disciplinary teams
Participate in code reviews and provide feedback on feature developments
Enhance database structures, queries, and indexing for improved performance
Implement security protocols to protect data and prevent unauthorized access
Develop and integrate backend elements such as APIs and microservices
Explore emerging technologies to innovate and improve system architecture
Utilizing GitHub Actions for CI/CD pipelines.
Deploying backend infrastructure with Docker on AWS.

Fullstack Blockchain Engineer

Obboy Labs January 2022 - July 2022

Worked on and deployed multi-signature crypto wallet on Polygon Main Network
Created and deployed smart contracts using Solidity
Built and deployed an NFT Marketplace with full-stack responsibilities
Utilized GraphQL for querying blockchain data and integrated with PostgreSQL

Jr. Software Engineer

Techdojo Limited October 2020 - November 2021

Developed web applications using the MERN stack (MongoDB, Express.js, React, Node.js)
Utilized Next.js for server-side rendering to optimize web application performance
Led the creation of an interactive website "CARE FOR YOU" from the ground up
Developed a Point of Sale (POS) desktop application using Electron.js Framework
Worked on Mobile Application Development using React Native.

Projects

Here are few of my academic projects.

HEALTH CARE PLATFORM

Technology Used: Node.js, React.js, Next.js, Redux, Socket.io, MongoDB

A Health Care platform that provides verified health related content and doctors/medical experts will verify it and invalid articles will be asked for review to stop fake news from spreading and this is also a platform where patients can interact with doctors and talk to specialists to diagnose their health problems.

Project Link

ENROLLMENT TRENDS IUB

Technology Used: Html, CSS, Bootstrap, PHP, MySQL

Designed a Database along with a functioning webpage where the user can view, compare and generate graphs of the semester wise admission results of the students.

Project Link

FIRE FIGHTING ROBOT USING ARDUINO

Technology Used: Arduino, Arduino IDE, RC Kits, Flame, Sonar Sensor, Servo Motor

The robot continuously monitors variation of the surrounding area using flame sensors. Robotic vehicle moves through the disaster area as per the instructions from Arduino/MCU. Whenever the temperature exceeds a limit value and Arduino/MCU identifies that there is presence of fire then it operates the water pump.

View Source Code

PASSPORT ISSUING APPLICATION IN JAVA

Technology Used: Java, JavaFXML

Designed and executed a GUI based passport issuing management desktop application where citizen/applicants can be able to apply, Re-issue for New or Old Passport, Employees can approve/disapprove the application, they can also maintain bill & orders through the system. Admin can add/remove employees, distribute salary, generate chart through the system and much more...

Project Link

S.M. Mohaiminul Islam Eraj

Educational Qualifications