M SALMAN HAFEEZFull Stack Engineer (MERN / PERN) | Data Engineering
PROFESSIONAL SUMMARY

Full Stack MERN Developer with 4+ years of experience building scalable web applications, AI-powered workflows, and data-driven products. Skilled in Next.js, React, Node.js, MongoDB, ClickHouse, Tinybird, and Python, with hands-on experience in ETL, analytics, and LLM-based chat-with-data systems.

PROFESSIONAL EXPERIENCE
Senior Software Engineer, Gourmet Pakistan
  • Develop scalable web applications using Next.js, React.js, and Node.js with MongoDB backend.
  • Architect data reconciliation for large datasets synced from MariaDB/​SQL Server to ClickHouse & Design AI-driven "Chat with Data" interfaces using Vercel AI SDK and autonomous LLM agents.
  • 06/2025 – PresentLahore
  • Automate schema change detection and performance monitoring via Python-based drill-down scripts.
  • Senior MERN Stack Developer (Freelance), Sprintx
  • Developed MERN-based applications integrated with LLMs to process natural language queries and trigger real-time API calls via Tinybird.
  • Engineered Python scripts to automate data ingestion and ETL processes from PowerBI into Tinybird for low-latency analytics.
  • 10/2024 – 06/2025Lahore
  • Architected a "Chat-with-Data" system where autonomous agents dynamically fetch and visualize datasets based on user intent.
  • Validated large-scale data integrity by performing manual cross-referencing between PowerBI reporting and raw datasets to ensure 100% accuracy.
  • MERN Stack Developer, Viral Square
  • Developed full-stack web applications using React, Node.js, and MongoDB
  • Implemented feature-rich applications with clean and maintainable code architecture
  • 11/2023 – 10/2024Lahore
  • Collaborated with team members to meet project deadlines and specifications
  • MERN Stack Developer, Spadasoft
  • Developed full-stack applications and designed RESTful APIs for multiple projects
  • Wrote comprehensive unit tests using Jest to ensure code quality
  • 02/2023 – 12/2023Lahore
  • Led mobile application development initiatives using React Native framework
  • Contributed to both backend and frontend implementation strategies
  • MERN Stack Developer, Digimark Developers
  • Developed full-stack web and mobile applications from concept to deployment
  • Worked on Chrome Extensions, DAPP applications, and smart contract development with Solidity
  • 09/2021 – 02/2023Lahore
  • Implemented complex features and optimized application performance
  • Collaborated with UI/​UX designers to translate designs into functional applications
  • Software Engineer, ERS Tech
  • Developed applications and backend systems from scratch
  • Implemented features and resolved technical challenges.
  • 07/2020 – 09/2021Lahore
    CORE COMPETENCIES
    Frontend
    • React.js
    • Next.js
    • React Native
    • Redux
    • Middleware
    Databases
    • MongoDB
    • PostgreSQL
    • Redis
    • Firebase
    • Supabase
    • Clickhouse/​Tinybird
    Additional Technologies
    • DAPP Development/​Solidity
    • Jest (Testing)
    Tools & IDES
    • IDEs: VS Code, Antigravity (Google's Agent IDE), Cursor (AI-native Code Editor)
    • Platforms: Chrome Extensions, Web Applications, Mobile Applications
    Backend
    • Node.js
    • Express.js
    • RESTful APIs
    Data & Analytics
    • Data Warehousing
    • Tinybird
    • ClickHouse
    • Kafka
    • Airbyte
    • PowerBI
    AI Agents
    • Gemini 3 Pro (High/​Deep Think)
    • Claude 3.5/​4.5 Sonnet
    • GitHub Copilot
    EDUCATION
    Bachelor of Science in Computer Science, University of Engineering and Technology (UET), Lahore
    2016 – 2020Lahore
    Languages
    Urdu
    English