More About Me
I'm Ubaid, a
Software engineer
My name is Mohd Ubaid Khan.
Engineer, Problem Solver, Tech Fanatic and a loving Human.
A Software Engineer passionate about creating beautiful products that empower people. I thrive on solving complex problems with clean, efficient code. I have proficiency in React, Next.js, Node.js, and Python.
I specialize in creating user-friendly interfaces, building RESTful APIs, implementing microservice architecture, and seamlessly integrating external services. My expertise lies in translating business requirements into technical solutions, optimizing performance, and ensuring robust functionality.
I can help bring your dream product to life in the virtual world, whether it's crafting sleek websites for businesses or building your dream tech product. I believe in waking up each day eager to make a difference!
If you are looking for a Full-Stack Engineer who can help you take your online presence to the next level, look no further. I am excited to collaborate with you and help bring your vision to life.
Resume
Work
Freelancer
Jan 2023 - Present
Perception & Quant
Nov 2024 - Dec 2025
The Experience
Experience That Brings Ideas to Life
Almost 3 years of experience in software development, excelling in innovative solutions and optimizing user experiences.
Freelancer
Self-mployed · Remote
India
Full Stack Engineer
Jan 2023 - Present
Architected Enterprise-Level Products: Designed and delivered enterprise-level solutions, including a cloud-based file storage platform, a real-time project and team management system, and an ATS-integrated HR solution, enabling seamless collaboration, efficient data handling, and enhanced career services.
Built Scalable Data Processing Systems: Architected, implemented, and maintained 5 high-performance, scalable data-processing backend systems to support complex business workflows.
API Performance Optimization: Improved API performance to retrieve data 67% faster by shifting intensive operations to the database layer.
Legacy to Modern Micro Frontend Migration: Migrated legacy interfaces built with HTML, CSS, JavaScript, and PHP to React and Express.js using a micro frontend architecture, improving scalability and maintainability.
Agile Development & Testing Practices: Followed agile methodologies and SDLC principles with comprehensive unit, integration, and performance testing to ensure reliable and high-quality delivery.
Resolved Critical Bugs & Improved Stability: Fixed over 100 critical software bugs and enhanced system performance to ensure smooth and uninterrupted operations.
Multichannel Customer Support System: Engineered a multichannel customer support system integrating platforms like WhatsApp, Messenger, and more using the MERN stack, enabling unified communication across channels.
ReactJS
NextJS
TypeScript
Material UI
Tailwind CSS
NodeJS
ExpressJS
MongoDB
AWS
Go
Perception & Quant
Full-time · Remote
New Delhi, India
Full Stack Developer
Nov 2024 - Dec 2025
Redesigned Client Dashboard & Boosted Performance: Redesigned the company’s client dashboard from an outdated layout into a modern, customizable interface. Reduced page load time by 40%, which contributed to a 68% increase in client engagement.
AI-Powered Email Automation System: Engineered an AI-powered email automation system using OpenAI and FAISS. The system generates clustered, research-backed reports and reduced manual processing time by 82%.
AI-Driven Diagnostic Tool for Data Pipelines: Built an AI-driven diagnostic tool to streamline debugging across cross-database synchronization pipelines and data transition workflows, enabling the support team to independently troubleshoot issues.
MongoDB Performance Optimization: Optimized MongoDB data models, aggregation pipelines, and indexing strategies. Reduced query latency from 920 ms to 195 ms across datasets exceeding 5M documents.
Production-Grade APIs with FastAPI & Elasticsearch: Built and maintained 2+ production-grade APIs using FastAPI and Elasticsearch, powering analytics and automation systems.
Led Onshore Development Team & Improved Code Quality: Headed the onshore development team to maintain high quality standards, achieving an 86% improvement in code quality while ensuring accurate requirement delivery.
ReactJS
NextJS
Material UI
ChartJS
MongoDB
Elasticsearch
Python
FastAPI
Docker
Cursor
