Muhammad Waleed

• Designed and developed a scalable multi-courier SaaS logistics platform integrated with Shopify using Node.js,
Express, and PostgreSQL.
• Designed secure REST APIs with OAuth 2.0 authentication and HMAC-based webhook verifcation.
• Integrated multiple courier APIs (Leopards, MNP, PostEx) for automated shipment processing and tracking.
• Implemented secure payment processing via PayPro with webhook-based validation and automated
transaction synchronization.
• Engineered a TypeScript-based POS & Parcel Tracking System integrated with Shopify Admin API for real-time
order synchronization.
• Designed MongoDB schemas and implemented barcode-based warehouse workfow automation.
• Built responsive React-based dashboards using Polaris, Tailwind CSS, and modern UI architecture.

• Developed and evaluated ML models for climate datasets, including preprocessing and feature engineering.
• Applied NLP techniques for sustainability-focused data analysis.
• Conducted performance evaluation and presented technical fndings.

• Implemented NLP workfows including tokenization, TF-IDF, Word2Vec, GloVe, and BERT-based embeddings.
• Applied semantic similarity techniques and embedding-based retrieval methods.
• Explored vector database concepts and retrieval-augmented generation (RAG) architectures.
• Completed hands-on exercises focused on real-world text processing and embedding applications.

• Built foundational Python applications covering OOP, data structures, and modular programming.
• Practiced structured problem-solving and clean code development.
• Developed small-scale applications to strengthen backend and logic-building skills.