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5,2
5,2
100%
$20 USD / hora
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Tunisia (11:11 p. m.)
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Se unió el mayo 30, 2016
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1 Recomendación
$20 USD / hora
・
I’m a software engineer and Python developer specializing in web scraping, automation, data science, software engineering, and machine learning/AI solutions. I help clients collect and structure data, build reliable backend systems, and develop ML/DL models that deliver measurable results. What I Can Do: 🟣 SOFTWARE ENGINEERING * Python (FastAPI, Flask, Django), plus other languages as needed * Backend development: REST/GraphQL APIs, authentication/authorization, role-based access * Database design & optimization: PostgreSQL/MySQL/SQLite, MongoDB; indexing, migrations * System design & scalable architecture: modular codebases, microservices, message queues (Celery/RabbitMQ) * Automation tools & scripting: ETL pipelines, cron jobs, background workers * Testing & quality: unit/integration tests (pytest), linting/formatting, CI-ready structure * Performance & reliability: caching (Redis), profiling, rate limiting, retries, graceful failure handling * DevOps & deployment: Docker, CI/CD, Nginx, Linux servers * Cloud deployment & maintenance: AWS/GCP/DigitalOcean, logging/monitoring, uptime-focused setups 🟡 WEB SCRAPING * Python with Scrapy, Selenium, Playwright, Seleniumbase, Pydoll, requests, curl_cff, ... * handling JavaScript-heavy sites * Anti-bot & CAPTCHA bypass * Data engineering (cleaning, transformation, storage) * Automation (scheduling, monitoring, error handling) * Data delivery (APIs, databases, CSV/JSON exports) * Cloud deployment (AWS, GCP, or DigitalOcean) * API development to access scraped data * High-Volume Data Collection: Scraping millions of pages for large-scale data sets. 🟢 MACHINE LEARNING / DEEP LEARNING / AI * End-to-end ML pipeline: data collection → preprocessing → training → evaluation → deployment * Classical ML: scikit-learn (classification, regression, clustering, anomaly detection) * Deep Learning: PyTorch / TensorFlow (CNNs, RNNs/LSTMs, Transformers) * NLP: text cleaning, embeddings, classification, sentiment, topic modeling, information extraction * Computer Vision: image classification, detection, OCR-related pipelines (when needed) * Time series & forecasting: feature engineering, backtesting, model comparison * Model deployment: serving via FastAPI/Flask, batch inference pipelines, Dockerized services * MLOps basics: experiment tracking, versioning, reproducibility, monitoring & retraining workflows * LLM/AI integration: prompt workflows, tool/function calling, RAG with vector databases (if required) 🔵 DATA ANALYSIS, DATA ENGINEERING & DATA VISUALIZATION * Data analysis: exploratory analysis (EDA), KPI definition, insights, trend/segment analysis * Data cleaning & preprocessing: missing values, outliers, normalization, deduplication, validation rules * Data engineering: ETL/ELT pipelines, batch/stream workflows, data modeling (star schema), warehousing basics
Verificaciones
A tiempo
100 %
Dentro del presupuesto
100 %
Aceptar tarifa
100 %
Tasa de recontratación
47 %

SIP/VoIP Client for Raspberry Pi

SIP/VoIP Client for Raspberry Pi

The freelancer completed the work as requested, on time and to spec.
Chris S.
@microscan5ep
•

High Wycombe, United Kingdom
•
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Khaled performed extremely well, delivering clean, efficient and well documented code, that met and exceeded the requirements. His communication was great to the extent it helped clarify issues that were not sufficiently clear in the brief. Very pleasant to deal with.
Wayne G.
@WayneGraham65
•

Simons Town, South Africa
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Amazing Job Khaled. Ha capito perfettamente la mia richiesta e ha sviluppato il codice richiesto
Isacco T.
@isaccotrevisan
•

Massanzago, Padova, Italy
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Perfect! Exactly what i wanted and more
Glen D.
@gxsinc
•

Edmonton, Canada
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What a pleasure to work with khaled he is a genius and toooo cooporated and really if you work with him once you wont choose any other freelancer really apperciate him and he is a really hardoworker and worries about you satisfications!
Hussam A.
@hussamtnt
•

Makkah, Saudi Arabia
•
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Certificaciones
C++
P
Preferred Freelancer Program SLA
C Programming
C Programming
Python
JavaScript
C# Programming
Python
Python
PHP