MO ARBAJ

[email protected] • +91 786 009 5748
LinkedIn: https://www.linkedin.com/in/moarbaj

PROFESSIONAL SUMMARY

I am a Full Stack Engineer with experience in building scalable web applications and intelligent solutions. My expertise lies in the MERN stack and AI integrations, focusing on performance optimization and innovative solutions. I thrive on creating efficient systems through collaboration and modern technologies

WORK EXPERIENCE

Senior Software Developer
10/2026 - Present
Harbingers Group , Remote
• Led the development of scalable MERN stack applications, boosting system performance by 30% and supporting over 10,000 concurrent users, resulting in a 15% increase in customer retention
• Designed and implemented responsive, user-centric UI/UX with React.js and modern libraries, driving a 25% increase in user engagement and improving customer satisfaction scores
• Developed and integrated robust JWT authentication and role-based access control, reducing unauthorized access incidents by 40% and strengthening application security compliance
• Managed the full ALM lifecycle within an Agile/Scrum environment using Azure DevOps and Jira, accelerating delivery timelines by 20% and enhancing cross-functional team collaboration
Software Engineer
04/2025 - 07/2025
Ampersand (via eProtect 360) , Remote
• Designed and developed scalable MERN Stack applications with strong expertise in frontend and backend technologies
• Designed and developed scalable full-stack applications using Node.js, NestJS, Express.js, and Next.js, with robust frontend solutions in React.js and TypeScript
• Implemented secure authentication and authorization workflows leveraging JWT and OAuth
• Optimized databases with MongoDB and PostgreSQL, ensuring high performance and reliability
• Engineered reusable UI logic through custom hooks and higher-order components to streamline state management
• Achieved 90+ Lighthouse performance scores by applying advanced JavaScript and React performance optimization techniques
• Delivered applications with a strong focus on scalability, maintainability, and clean architecture
• Developed reusable UI logic using custom hooks and higher-order components (HOCs) to streamline state management and enhance application scalability
• Built reusable UI logic with custom hooks and HOCs while managing state
Software Engineer
08/2024 - 12/2024
Neosoft Technology , Mumbai
• A leading software solutions provider
• Built EdTech & AI-driven applications integrating React.js + TypeScript frontend with scalable APIs
• Built EdTech & AI-driven applications integrating React.js and TypeScript frontend with scalable APIs and applications leveraging a React.js and
• TypeScript frontend integrated with scalable APIs using Node.js, NestJS, and Express.js.
• Developed chatbots and AI-driven applications using React.js and Angular.js integrated with scalable APIs built on Node.js, NestJS, and Express.js.
• Integrated Azure AI and OpenAI APIs with secure JWT and OAuth-based authentication flows.
• Delivered optimized single-page applications (SPAs) with responsive layouts and seamless user experiences.
• Applied JavaScript and TypeScript best practices to ensure scalability, performance, and maintainability.
• Applied Redux-Saga for asynchronous state handling.
• Collaborated with design team for responsive UIs across web and mobile.
• Applied Redux-Saga for asynchronous state handling
• Collaborated with design team for responsive UIs across web and mobile
Software Developer
08/2023 - 07/2024
P C Solution , Delhi
• Developed and launched 5+ AI-driven chatbots and applications using React.js and Angular.js, enhancing user engagement by 30% through seamless, responsive single-page applications (SPAs)
• Integrated Azure AI and OpenAI APIs with robust JWT and OAuth authentication, ensuring secure and scalable access for over 10,000 active users
• Applied JavaScript and TypeScript best practices to improve application performance by 25%, maintainability, and scalability across multiple projects
• Collaborated with cross-functional teams to deliver optimized front-end solutions, reducing page load times by 40% and improving customer satisfaction scores
Software Developer
08/2021 - 06/2023
Cibirix Digital Marketing Agency , India
• Developed a scalable CRM platform using the MERN stack, improving system performance and supporting a 30% increase in user engagement
• Optimized frontend rendering with React Fiber, reducing load times by 25% and enhancing user experience
• Implemented secure API authentication with JWT and OAuth, ensuring 100% compliance with data privacy standards
• Streamlined state management using Redux Thunk and Context API, increasing data flow efficiency by 40% and reducing bugs

EDUCATION

Electronics & Communication Engineering
08/2018 - 12/2021
Jamia Millia Islamia , Delhi, India
12th Grade
04/2017 - 06/2018
B R P Inter College , India
10th Grade
06/2015 - 05/2016
M R P Inter College , India

SKILLS

Technical Skills: JavaScript, TypeScript, ES6+, Node.js, Express.js, NestJS, Next.js, React, Redux, Redux-Saga, MongoDB, PostgreSQL, SQL, REST APIs, Microservices, WebSockets, RabbitMQ, Prisma, Axios, Jest, JWT
Soft Skills: Modular Design, Problem Solving, Team Collaboration, Adaptability, Communication, Leadership
Tools: GitHub, GitHub Actions, CI/CD, Azure, Google Cloud Platform, Amazon SQS, Cypress, Microsoft 365, Bootstrap, Tailwind CSS
Other: CRM, E-Learning, Dataflow, OpenAI, Agile Methodology

PROJECTS

Vibyore School Platform
Technologies: Node.js, NestJS, Express.js, MongoDB, PostgreSQL
• Built a complete microservice-based EdTech platform ensuring scalability and high availability
• Designed and deployed backend services using Node.js, NestJS, and Express.js, with data management in MongoDB and PostgreSQL
Betting Application
Technologies: WebSockets, Node.js, Express.js
• Developed a real-time secure betting system handling live updates and secure transactions
• Implemented WebSockets for instant event streaming and Node.js + Express.js services for scalable backend processing
TTI EdTech Platform
Technologies: JWT, OAuth, Node.js, NestJS, Express.js, React.js, TypeScript
• Designed an e-learning platform with role-based access control for students, teachers, and admins
• Implemented secure content delivery using JWT/OAuth authentication and encrypted APIs
• Developed scalable backend services with Node.js, NestJS, Express.js, and a React.js + TypeScript frontend

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