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Khaled M.
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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

🇩🇿Blida, Algeria$15/hr100% JSS4.99 (11)Since Sep 2024

Earnings and projects

MRR
$392

Last 6 months ÷ 6

World#87,739 / 412k
🇩🇿Country#114 / 731
Revenue, last 30 days
$602

Last 6 months: $2.4k

World#58,026 / 412k
🇩🇿Country#69 / 731
Total earnings
$9.8k

Billed in all: $9.8k

World#197,896 / 412k
🇩🇿Country#297 / 731
Per project
$517

$392 in the last 6 months

World#179,616 / 412k
🇩🇿Country#292 / 731
Projects, last 6 months
6
83% fixed17% hourly
World#34,408 / 412k
🇩🇿Country#53 / 731
Projects in all
19

Across 20 contracts

85% fixed15% hourly
World#138,390 / 412k
🇩🇿Country#248 / 731

Earnings, last 30 days

$9.8k+$602 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$9.0k$9.5k$10.0kOct 9Oct 24Nov 8

Skill rankings: Top 14% in Bootstrap

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  6. #946Bootstrap6,899 freelancers · 🇩🇿 #2Top 14%
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  8. #1,394Vue.js8,268 freelancers · 🇩🇿 #2Top 17%