SIMARJEET SINGH
Fullstack EngineerAI is analyzing your overall score…
Identifying your key strengths…
Evaluating your skill match against the job requirements…
Assessing your cultural and operational fit
AI is analyzing your overall score…
Identifying your key strengths…
Evaluating your skill match against the job requirements…
Assessing your cultural and operational fit
Fullstack Engineer with 4+ years in React, Node.js & Cloud
Full Stack Developer with hands-on experience building production-ready web applications using React, TypeScript, Node.js, MongoDB, and Socket.io. Proven ability to architect and ship complex features including real-time systems, encryption, optimistic UI patterns, and scalable REST APIs. Skilled in creating performant, user-centric interfaces with Tailwind CSS while optimizing Core Web Vitals for better SEO and load times. Experienced in leveraging AI tools to enhance development workflows and productivity. Strong focus on clean, scalable code, accessibility, and delivering engaging digital experiences across all devices and browsers.
Deenbandhu Chotu Ram University of Science and Technology
Bachelor Of Technology
August 1, 2017 – June 30, 2021
Brahm Shakti School, Rohini, Delhi.
Senior Secondary Education
June 1, 2016 – May 31, 2017
Indian Convent School, Rohini, Delhi.
Secondary Education
June 1, 2014 – May 31, 2015
CollegeDekho | Girnarsoft
Frontend Web Developer
May 1, 2023 – Present
Gurgaon, Haryana, India
EFY Group
Software Developer
April 1, 2022 – May 1, 2023
South Delhi, Delhi, India
Esteam Media
Web Developer
September 1, 2021 – April 1, 2022
Noida, Uttar Pradesh, India
PingMe - Real-time Chat Application
January 1, 2021 – June 1, 2026
Built a production-ready full-stack chat app with AES-256 end-to-end message encryption using Node.js crypto module. Implemented real-time messaging via Socket.io with optimistic UI updates, typing indicators, and online presence tracking. Engineered cursor-based infinite scroll pagination with React Query cache management and scroll position restore per conversation. Solved cross-origin cookie issue via Vercel reverse proxy — works on all browsers including Safari iOS. Built unread message count system using atomic MongoDB $inc operations to prevent race conditions across multiple devices. Containerized with Docker, tested critical paths with Vitest + Jest + React Testing Library, and automated CI/CD pipeline via GitHub Actions deploys to Render + Vercel on every green build.
View ProjectReviewify - AI Code Reviewer
January 1, 2021 – June 1, 2026
Built an AI-powered code review tool using Google Gemini API that analyzes code and returns issues, improvements and optimized suggestions. Integrated Monaco Editor (@monaco-editor/react) for a VS Code-like editing experience with syntax highlighting. Implemented persistent chat sessions using localStorage with support for multiple review sessions, history management and auto state restoration. Designed a ChatGPT-style prompt system with multiple AI model selection support and fully responsive UI for mobile and desktop.
View ProjectCultural Fit Analysis
The candidate's personal projects demonstrate initiative, a passion for technology, and a drive to build complex, production-ready applications. The diversity of projects (real-time chat, AI code reviewer) and the breadth of technologies used (Next.js, Node.js, MongoDB, Socket.io, Docker, AI APIs) suggest a curious and adaptable individual who is likely to thrive in a dynamic, innovation-focused environment. The focus on clean code, scalability, and accessibility aligns with best practices often valued in strong engineering cultures.
Soft Skills & Operational Fit
The candidate's project descriptions indicate a proactive approach to problem-solving (e.g., cross-origin cookie issue, race conditions) and a focus on user experience and performance. Collaboration with back-end developers and cross-functional teams is mentioned in professional experience, suggesting good teamwork potential. The detailed project descriptions also imply strong communication skills in conveying technical solutions.