David Walker

Offering a unique blend of technical acumen and leadership potential, ready to learn and grow in challenging environment. I wish to contributes to team success by swiftly acquiring and applying insights in software architecture and project management. Ready to use and develop analytical thinking and collaboration skills in any role.

Price Comparison Automation Tool | Python, Selenium, Web Scraping APIs | (2 Months)

• Engineered automated price monitoring system that scrapes 100+ retail domains to identify optimal pricing across major e-commerce platforms, reducing manual price research time by 90%
• Built intelligent product matching algorithm using multiple search parameters (store name, model number, item ID) to accurately locate products across diverse retail websites
• Delivered actionable pricing intelligence via formatted JSON reports, enabling shop owners, resellers, and bulk suppliers to make data-driven purchasing decisions and identify cost-saving opportunities
• Scaled solution across multiple business verticals including retail, fashion, and wholesale, supporting strategic pricing decisions for diverse client base

AI-Powered Credit Report Analysis Platform | Python, OpenAI GPT API, OCR, JSON, Shaw258 Database | [In Development]

• Developed intelligent credit report parser using OpenAI API for OCR processing, achieving 95% data extraction accuracy (15% improvement over baseline) and eliminating 80% of manual review requirements
• Automated comprehensive financial data analysis to identify all derogatory marks (late payments, collections, inquiries, derogatory items) and highlight optimal banking relationships, extracting key credit factors from complex PDF reports into structured JSON format
• Built personalized credit optimization engine that generates tailored 3/6/8-month improvement roadmaps targeting maximum credit scores of 750-800, including debt consolidation strategies and loan approval guidance for automotive and business financing
• Implemented secure temporary data storage using Shaw258 database system for sensitive financial information processing and analysis workflows
• Currently developing mobile application with real-time credit monitoring service integrations to provide continuous credit health tracking and automated score optimization recommendations

Enterprise-Grade Home Network Security Infrastructure | UniFi, Raspberry Pi, Linux, DHCP/DNS, Python | [In Development]

• Architected secure network infrastructure using UniFi switches and patch panels to create isolated, enterprise-grade network topology with comprehensive device management and access control
• Implemented advanced cybersecurity framework including custom CCTV surveillance system with role-based access controls, managed authentication tokens, and state-of-the-art security protocols for video data protection
• Deployed custom network services on Raspberry Pi infrastructure, manually configuring DHCP and DNS servers with integrated intrusion detection systems, firewall rules, and automated threat blocking capabilities
• Established malware analysis lab with isolated honeypot environment for secure malware research and network threat assessment using containerized Linux systems
• Achieved zero-trust network architecture with centralized device management, user role segregation, and comprehensive network monitoring across all connected endpoints