Khaled M.
Backend Expert | Data-Driven Solutions & Systems Optimization
Professional & Academic Foundation: ✦ 10+ years of experience designing and engineering full-stack web applications from A to Z, heavily rooted in robust database architecture. ✦ Master’s Degree in Software Engineering (Graduated with Honors, Ranked 1st in Class). Architecture & Core Development: ✦ Database-First Design: Specialized in relational database architecture, complex SQL optimization, and ensuring strict data integrity and long-term scalability. ✦ Full-Stack Execution: Building complete, high-performance ecosystems using Laravel, Vue.js, and foundational PHP, JavaScript, HTML, and CSS. ✦ System Connectivity: Architecting and integrating scalable RESTful APIs alongside real-time sockets messaging for seamless data flow. Troubleshooting & Security: ✦ Analytical Problem Solving: Approaching deep-level debugging, performance optimization, and architectural bottlenecks as rewarding logical puzzles. ✦ Infrastructure Defense: Developing proprietary security measures, including custom anti-DDoS scripts and comprehensive server protections. Data Engineering & AI: ✦ Advanced Extraction: Utilizing intelligent web scraping and complex Regex to extract, format, and utilize information from massive, unstructured text sources. ✦ AI Systems Evaluation: Experience in training and evaluating AI models, with a focus on function calling, reasoning, and Reinforcement Learning from Human Feedback (RLHF). Business Optimization & Automation: ✦ Workflow Automation: Writing highly effective automation scripts designed to eliminate redundant tasks and drastically reduce employee workload. ✦ Feature Engineering: Proactively analyzing user behavior and system performance to suggest and seamlessly implement high-impact design features. Technical Expertise: Laravel, Vue.js, PHP, JavaScript, HTML, CSS, SQL Optimization, Relational Database Design, RESTful APIs, Web Scraping, Regex, Socket Messaging, System Security, Automation Scripting (Python & AutoHotKey), RLHF, Function Calling
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $2.4k
Billed in all: $9,850$9.8k
$392 in the last 6 months
Across 20 contracts
Earnings, last 30 days
Skill rankings: Top 14% in Bootstrap
Ranked by MRR among everyone on Upwork with the skill.
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