Manjot Singh

Manjot Singh

Building AI-Powered Apps | RAG, LLMs, React Native & Next.js

Toptal Elite Developer Top Rated Plus 100% Job Success 11+ Years Experience Dubai, UAE

About Me

I am a highly skilled and motivated Senior Software Engineer with over 11 years of expertise in full-cycle software development, specializing in integrating Artificial Intelligence into applications. As a Toptal Elite Developer with 7+ years on the platform, I work with top-tier clients worldwide.

My passion lies in leveraging cutting-edge technologies like OpenAI APIs, vector databases (e.g., Qdrant), and advanced AI technologies to develop intelligent, context-aware solutions. From building NLP workflows to implementing Retrieval-Augmented Generation (RAG) pipelines, I create smarter, scalable applications that solve real-world problems.

Core Competencies

AI & Data Integration

  • OpenAI Integration: GPT and embeddings for enhanced intelligence
  • Vector Databases: Qdrant for semantic search & RAG
  • NLP & AI Agents: Domain-specific workflows
  • RAG Systems: Context-aware responses
  • AI Chatbots: Conversational interfaces
  • LLMs: Optimizing language model applications

Mobile Development

  • React Native: 6+ years building cross-platform apps
  • Performance Optimization: Fast, responsive apps
  • State Management: Redux, Valtio, React Query
  • Animations: Moti, Lottie, Animated
  • Testing: Jest, React Native Testing Library, Detox

Web Development

  • Next.js & React.js: SSR and static web apps
  • Full-Stack: React frontend + Express backend
  • Electron: Cross-platform desktop apps
  • Modern UI: TailwindCSS, responsive design

Backend & APIs

  • Express.js & Node.js: Scalable microservices
  • API Integration: REST, GraphQL, WebSockets
  • Third-Party APIs: Extensive integration experience
  • Real-time Features: Live data synchronization

DevOps & Automation

  • CI/CD: GitHub Actions, CircleCI, AppCenter
  • Cloud Platforms: Google Cloud Platform, Firebase
  • CodePush: OTA updates for mobile apps
  • Deployment: Automated build & release

Professional Experience

Senior Software Engineer

Yara Digital Farming India Pvt Ltd | May 2023 - Present

Leading a team of engineers, implementing pixel-perfect UIs, managing CI/CD setup, and integrating Node.js microservices.

Senior Software Developer

VIENNA Advantage | Mar 2021 - May 2023

Developed and tested new features, integrated third-party APIs, and led the development of mobile and web applications.

Software Developer

Cyber Space Technologies | Mar 2018 - Mar 2021

Developed and maintained React Native apps, created REST APIs, and deployed web apps on cloud platforms.

Software Developer

S2H Systems | Jul 2013 - Jan 2018

Developed and maintained PHP web applications with deep integrations into SMS and voice calling APIs.

Featured Projects

🤖 AI-Powered SaaS App

RAG Implementation with OpenAI

  • Implemented RAG using OpenAI & vector databases
  • Built context-aware AI systems
  • Integrated NLP workflows
  • Rating: ⭐ 5.0/5.0

🌾 AtFarm - Yara

Precision Agriculture App

  • Used by millions of farmers worldwide
  • Bluetooth integration for N-Sensor
  • Improved performance by 30%
  • Reduced deployment time by 40%
View on Play Store

💻 MAC OS AI App

Electron Desktop Application

  • Cross-platform desktop AI application
  • Integrated OpenAI APIs
  • macOS-specific functionality
  • Seamless user experience

📱 ViennaAdvantage App

Enterprise ERP Mobile App

  • OTA updates & digital signatures
  • Twilio calling integration
  • Secure document management
  • 15% improvement in user retention
View on Play Store

🏫 Micron ERP

Educational Institution Management

  • Handling 50,000+ users
  • Biometric attendance & GPS tracking
  • Real-time data synchronization
  • Deployed on Google Cloud Platform
Visit Website

🏷️ Alorgarve App

Discount Coupon Platform

  • React Query & Valtio for state management
  • 25% increase in daily active users
  • Integrated analytics tracking
  • Optimized app performance
View on Play Store

📦 StockLio

Inventory Management System

  • Bill of Materials (BOM) management
  • Multi-location stock tracking
  • Real-time inventory alerts
  • Barcode scanning integration
Visit Website

✍️ Artigenic

AI Content Generation Platform

  • AI-powered content generation using LLMs
  • Multiple content types and templates
  • SEO-optimized content creation
  • Subscription-based SaaS model
Visit Website

🚗 Ride Booking App

Complete Ride-Hailing Platform

  • Real-time driver tracking & location services
  • Payment gateway integration
  • Push notifications for ride updates
  • Admin panel for fleet management

Achievements & Recognition

💎

Toptal Elite

Top 3% of developers worldwide with 7+ years on the platform

🏆

Top Rated Plus

Highest tier on Upwork with 100% Job Success score

🎯

19 Projects

Successfully completed on Upwork with 1,554+ hours

5.0 Rating

Average client rating across all projects

🎓

Certified Professional

Oracle Certified (2022) & TypeScript Certified (2021)

🌍

Global Reach

Serving clients worldwide with quality & timely delivery

Tech Stack & Tools

OpenAI API Vector Databases RAG LLMs React Native TypeScript Next.js React.js Node.js Express.js Electron Redux GraphQL WebSockets Jest Detox GitHub Actions Google Cloud Firebase MongoDB

Let's Build Something Amazing Together! 🚀

Whether you need an AI-powered application, a cross-platform mobile app, or a full-stack web solution, I'm here to help turn your ideas into reality.

Get In Touch

Contact & Availability

📍 Location: Dubai, United Arab Emirates (Available for remote work worldwide)

💼 Availability: As needed - Open to offers

⏱️ Response Time: < 24 hours

💵 Hourly Rate: $60/hr (negotiable based on project scope)