You will get optimization for your slow SQL queries and database bottlenecks
Rising Talent
Project details
Is your platform crashing under heavy data? Are your SQL queries taking minutes instead of milliseconds? I specialize in auditing and fixing relational database bottlenecks.
With over 8 years of experience building and maintaining high-volume transaction platforms, I don't just add temporary fixes. I analyze the algorithmic weight of your queries and restructure them for maximum efficiency.
What you get:
Complete analysis of slow-running SQL queries.
Algorithmic refactoring to reduce execution time and server load.
Schema index optimization to eliminate database locking and timeouts.
Millisecond response times for your heaviest backend processes.
Stop paying for expensive server upgrades. Let's fix the architecture. Send me your slowest query and database schema to get started.
With over 8 years of experience building and maintaining high-volume transaction platforms, I don't just add temporary fixes. I analyze the algorithmic weight of your queries and restructure them for maximum efficiency.
What you get:
Complete analysis of slow-running SQL queries.
Algorithmic refactoring to reduce execution time and server load.
Schema index optimization to eliminate database locking and timeouts.
Millisecond response times for your heaviest backend processes.
Stop paying for expensive server upgrades. Let's fix the architecture. Send me your slowest query and database schema to get started.
Database Type
MySQL, MS SQL, Oracle, SQLite, PostgreSQL, MongoDBWhat's included
| Service Tiers |
Starter
$50
|
Standard
$150
|
Advanced
$400
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Source Code |
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MA
Mabel A.
May 22, 2026
Data Entry Specialist for Backend Management
He is always willing to achieve results. I am using him again and will definitely use him in the future
MA
Melinda A.
Apr 20, 2026
Technical Web Researcher for Asset Gathering
PG
Preben G.
May 7, 2025
Web-site support and error fixing
Khaled help and support made a big difference to get the web-site running and bug free. He was very fast to respond to problems and get them fixed fast. I will definitely rehire Khaled.
LK
Luibomyr K.
Dec 28, 2024
Python Automation Tool Update
AK
Ashok K.
Dec 13, 2024
Database Design Verification and Modification for Billing Sector
Delivers Quality work and has clear communication. He optimized our DB design effectively.
About Khaled
Backend Expert | Data-Driven Solutions & Systems Optimization
100%
Job Success
Blida, Algeria - 8:45 am local time
✦ 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
Steps for completing your project
After purchasing the project, send requirements so Khaled can start the project.
Delivery time starts when Khaled receives requirements from you.
Khaled works on your project following the steps below.
Revisions may occur after the delivery date.
Schema & Query Analysis
Review your database structure and the provided queries to identify indexing gaps or algorithmic bottlenecks (O(n) cost analysis)
Refactoring
Rewrite the heavy queries to reduce database hits and create necessary indexes for your schema.