Senior Full Stack Developer | Backend Specialist | AI/ML Engineer

Senior Full Stack Developer with 6+ years of professional experience specializing in scalable backend architectures, AI/ML integration, and enterprise solutions. Proven track record of:

• Optimizing system performance by 50% and reducing infrastructure costs by 20%
• Leading Agile teams delivering solutions for 10,000+ users
• Architecting microservices and ML pipelines for international clients across Gulf region, Europe, and New Zealand
• Delivering enterprise applications for retail, healthcare, finance, and oil & gas sectors

Currently: Senior Full Stack Developer at YetiTech (New Zealand) | Education: M.Sc. Computer Science | Certifications: Scrum Fundamentals Certified, IELTS Academic (Band 7.0)

Enterprise Node.js Backend | Saudi Arabian Oil & Gas Company

• Architected scalable backend serving 15+ departments and 200+ users
• Engineered multi-level approval workflows with BullMQ queues and RBAC authentication
• Implemented real-time WebSocket notifications achieving 99.5% uptime
• Tech Stack: Node.js, Express.js, MongoDB, BullMQ, Redis, WebSockets, JWT

AI-Powered Educational Tool

• Developed NLP and computer vision system for automated speech evaluation
• Built facial expression recognition using CNNs (MobileNet, EfficientNet)
• Engineered NLP pipeline with BERT transformers for sentiment analysis
• Tech Stack: Python, TensorFlow, PyTorch, BERT, OpenCV, Flask

Intelligent Document Processing | German Client

• Achieved 92% accuracy in invoice data extraction using Tesseract OCR
• Implemented advanced image preprocessing and multithreaded processing pipeline
• Designed data extraction pipeline with Pandas/NumPy and PostgreSQL
• Tech Stack: Python, Tesseract, OpenCV, Pandas, PostgreSQL, Alembic

Full-Stack Finance Platform

• Reduced API response time from 30s to 5s (83% improvement) through optimization
• Integrated PCI-compliant payment processing (Stripe, PayPal)
• Increased transaction success rate by 20%
• Tech Stack: Laravel, Node.js, MySQL, Redis, Stripe, PayPal

📈 Performance Optimization    → 50% improvement in system performance
💰 Cost Reduction             → 20% reduction in infrastructure costs
👥 Users Served               → 10,000+ daily active users
🚀 Project Delivery           → 99% on-time delivery rate
⏰ System Reliability         → 99.9% uptime achieved
👨‍💼 Team Leadership            → Led teams of 8+ developers

I'm always interested in discussing challenging technical problems, scalable architectures, AI/ML integration, and enterprise solutions.

• LinkedIn: linkedin.com/in/ukyz
• Email: umerfarooqkhan325@gmail.com
• Location: Lahore, Pakistan (Open to Remote)