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Khaled

@maxscender

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5.0
28

6.4

6.4

100%

🟣 SOFTWARE ENGINEERING 🟢 MACHINE LEARNING 🟠AI

$100 USD / Hour

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Flag of TUNISIA

Tunisia (5:43 PM)

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Joined on May 30, 2016

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5 Recommendations

$100 USD / Hour

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I’m a Software Engineer with a Ph.D. in Computer Science, specializing in system architecture, machine learning/AI, advanced web scraping, and algorithmic trading. With expertise ranging from high-level web services (Python) to low-level system programming (C/C++), I help clients collect complex data, build reliable backend systems, and develop intelligent models that deliver measurable results. What I Can Do: 🟣 SOFTWARE ENGINEERING & ARCHITECTURE * Python, C, C++, C#, Java, PHP, Javascript, Rust, Go. * Desktop Applications Development. * Raspberry Pi programming, hardware-software integration, and edge-device deployment. * Backend Development: REST/GraphQL APIs, authentication/authorization, role-based access. 🔴 REVERSE ENGINEERING & LOW-LEVEL SYSTEMS * Reverse engineering: binary analysis, disassembly, decompilation, protocol reverse engineering * Static & dynamic analysis: IDA Pro, Ghidra, x64dbg, OllyDbg * Malware analysis, unpacking, and code inspection * Memory forensics and runtime debugging 🟠 ALGORITHMIC TRADING & QUANTITATIVE DEV * Development of custom MetaTrader (MT5) Expert Advisors (EAs), custom indicators, and automated trading bots (MQL5). * Bridging Python-based ML/DL forecasting models with MT5 via APIs/sockets. 🟢 MACHINE LEARNING / DEEP LEARNING / AI * End-to-End ML Pipelines: Data collection → preprocessing → training → evaluation → deployment. * Ecosystems & Tools: PyTorch, TensorFlow, scikit-learn, and MATLAB for academic/engineering simulations. * Deep Learning & NLP: CNNs, RNNs/LSTMs, Transformers, text cleaning, embeddings, RAG with vector databases. * Time Series & Forecasting: Feature engineering, backtesting, and model comparison (highly applicable to financial data). 🟡 WEB SCRAPING & DATA EXTRACTION * Frameworks: Python with Scrapy, Selenium, Playwright, Seleniumbase, Pydoll, requests, curl_cff. * Anti-Bot & CAPTCHA: Bypassing complex modern web protections. 🔵 DATA ANALYSIS, ENGINEERING & VISUALIZATION * Data Engineering: ETL/ELT pipelines, batch/stream workflows, data modeling (star schema), warehousing basics. * Data Analysis: Exploratory analysis (EDA), KPI definition, insights, trend/segment analysis. * Data Cleaning & Preprocessing: Missing values, outliers, normalization, deduplication, validation rules. * Database Design: PostgreSQL/MySQL/SQLite, MongoDB; indexing, migrations, and optimization.

Verifications

On time

100%

On budget

100%

Accept rate

93%

Repeat hire rate

37%

Portfolio

Portfolio

14053608
13799723
14053608
13799723
5.0 · 28 Reviews
28 Reviews
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Flag of SINGAPORE

Honeyed

5.0

$250 SGD

5 minutes ago

MT5 Project 2

Khaled is highly professional and skilled in his field of work. Definitely a valuable partnership for the long run. Highly recommended!

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E

Former Client (inactive)

5.0

$450 USD

2 months ago

Cross-Platform High-Performance CSV Analyzer (archived)

One of the best engineers I have worked with. Precise and fast. Will hire him again soon.

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J
Flag of UNITED KINGDOM

Jason

5.0

£50 GBP

3 months ago

Debug ESP32 Weather Station Code

From the point of first contact to completion, Khaled was very professional and prompt with replies. Upon completion of my request, Khaled provided the complete code required, plus a full written guide on how to complete my project. Having no coding experience myself, I had been trying to debug the code for over 2 weeks. Khaled had the complete code, de-bugged, and working back with me in under 1 hour. I would recommend Khaled to anyone needing coding assistance.

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C
Flag of CHINA

CZL5201314

5.0

$1,200 USD

3 months ago

DLL Client Porting & Optimization

他真的很棒,我希望跟他一直合作下去,长久合作,很努力,应该得到的报酬

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Certifications

C++ - Level 3

C++

P

Preferred Freelancer Program SLA

C Programming - Level 3

C Programming

Python Level 1

Python

C Programming - Level 2

C Programming

JavaScript - Level 3

JavaScript

C# Programming - Level 3

C# Programming

Python - Level 3

Python

Python - Level 2

Python

PHP - Level 3

PHP

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