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🚀 Top Rated Python Developer | Data Engineering, Backend Systems & Cloud Automation I build the systems that turn messy, raw data into clean, reliable, production-ready infrastructure: scraping pipelines, backend APIs, cloud automation, and everything in between. 3+ years of experience across data engineering, backend development, and automation, including production ETL pipelines, computer vision, distributed systems, and cloud infrastructure, with 100% Job Success and Top Rated status on Upwork. A few things I've built as a freelancer: * Architected a full AWS production pipeline (ECS, Lambda, RDS, EventBridge) automating daily data collection and reporting at scale for a sports data intelligence platform. * Designed a modular ETL system scraping 6+ websites, validated with Pydantic, orchestrated on Airflow: clean, structured data delivered on schedule, every time. * Built crawlers and automation tools for social media platforms and government websites with varying security levels, handling anti-bot protections, authentication flows, and custom CAPTCHA challenges * Built a real-time monitoring and automation system with a Selenium-based scanner, admin dashboard, and Telegram alerts for live TradingView market data tracking. * Built the database and backend automation layer for a high-speed booking units bot system: including data archiving, real-time availability scanning, and race-condition-aware booking logic. * Delivered ongoing Python development for Ignition Perspective industrial automation applications Skills gained through broader professional experience: FastAPI backend architecture • PostgreSQL & Redis at scale • Computer vision (custom OCR model training) • Web crawling & anti-bot bypass techniques • Distributed systems & async event processing • Multi-platform API integrations • Power BI reporting - What I work with: Python • FastAPI • PostgreSQL • Redis • AWS (ECS / Lambda / RDS / S3 / EventBridge) • Selenium • Airflow • Power BI Why clients keep coming back: ✅ 100% Job Success Score, Top Rated Badge ✅ Clear communication, realistic timelines, no surprises ✅ I build things that keep running after delivery, not just scripts, systems Let's talk about what you're trying to build. 👇

Data professional with hands-on experience in web scraping, data pipeline engineering, and analysis using Python. I build end-to-end data solutions — from collecting raw data off the web, through cleaning and transformation, to structured outputs ready for analysis or dashboards. What I work with: • Web scraping: Requests, BeautifulSoup, Playwright, Scrapy — including reverse-engineering APIs • Data pipelines: AWS Lambda, S3 (Bronze/Silver/Gold lakehouse), Athena, EventBridge, Parquet • Data transformation: pandas, SCD Type-2 merges, schema normalization, deduplication • Analysis & reporting: Python, SQL, Power BI (DirectQuery) • Automation: UiPath RPA, SSIS Certified AWS Data Engineer Associate (DEA-C01, 2026).

As a Senior Data Engineer and Big Data Solutions Expert, I specialize in designing, developing, and optimizing modern data infrastructure and real-time pipelines. With a strong foundation in SQL, Python, Spark, Hadoop, and Kafka, I help businesses convert raw data into actionable, high-quality insights. Having delivered end-to-end data projects across ETL, big data processing, and visualization, I bring a blend of engineering precision and problem-solving mindset to every task. Whether you're a startup looking to build your first data pipeline or an enterprise scaling distributed data systems, I can help. Why Choose Me? - Proven Real-World Experience Successfully delivered freelance projects on platforms like Khamsat involving data cleaning, ETL pipelines, and data warehouse design — all with 5-star client satisfaction. - Big Data Engineering Mastery Trained and certified through Huawei Big Data Program and Digital Egypt Pioneers Initiative, with hands-on experience in Spark (RDDs, DataFrames), Hadoop (MapReduce, HDFS), Kafka, and Flink. - Cloud & Scalable Systems Skilled in building pipelines using PostgreSQL, MySQL, Power BI, SSIS, and deploying scalable architectures across large datasets. Key Highlights - Built and optimized large-scale data pipelines using PySpark, Hadoop Streaming, and SSIS - Designed ERDs and data warehouses for PostgreSQL-based solutions - Processed and visualized high-volume datasets for insight generation - Recognized team leader and project owner during Digital Egypt Pioneers internship - Worked with clients across different domains with diverse data needs - Fluent in Arabic (native) and English (fluent) Services I Offer: - End-to-End Data Pipeline Development (ETL & ELT) - Big Data Processing with PySpark, Hadoop, Hive - Kafka-based Streaming Architecture - Data Warehousing Design (ERD, SSIS, PostgreSQL, MySQL) - Dashboarding & Visualization (Power BI, Python) - Data Quality, Cleaning & Transformation - Workflow Optimization using Airflow & Linux scripting Why My Clients Trust Me Clients value my ability to translate business goals into efficient data systems. I maintain clear communication, fast delivery, and quality assurance, always aiming to exceed expectations. Let’s Collaborate! If you're looking for a dedicated and technically skilled Data Engineer to build, clean, or scale your data infrastructure, let’s connect. I’m passionate about delivering solutions that are both technically robust and business-aligned. Let me bring the power of big data and engineering precision to your project — and help your data work for you.

Hi, I'm Nader 👋 I help businesses design and build reliable, scalable ETL pipelines and modern data platforms using industry standard data engineering tools. I transform raw data into clean, trusted datasets and deliver interactive reports and dashboards that drive data-driven decision-making. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔧 CORE SERVICES ✅ Microsoft Fabric & Azure Data Engineering End-to-end pipeline design using Microsoft Fabric, Azure Data Factory, and Medallion Architecture (Bronze → Silver → Gold). I ingest data from APIs and external sources, orchestrate with ForEach pipelines, and transform with PySpark notebooks — delivering Gold-layer tables ready for Power BI and analytics. ✅ ETL / ELT Pipeline Design Building reliable, scalable ETL and ELT pipelines from multiple source systems into centralised data warehouses and lakehouses. Proficient in Power Query (M Language), SQL stored procedures, PySpark, and cross-system data reconciliation. ✅ Power BI Dashboard Development Interactive, governance-ready Power BI dashboards with advanced DAX measures, Star Schema data models, and KPI tracking. My dashboards have passed formal governance reviews and are used in production by finance, operations, and sales teams. ✅ Data Modeling & Semantic Layer Design Star Schema design, dimensional modeling, surrogate keys, and semantic layers that are deterministic, scalable, and maintainable. I build models that your BI team can trust and your developers can extend. ✅ SQL & Database Engineering Advanced SQL querying and optimisation across MS SQL, MySQL, and Google BigQuery. Complex joins, stored procedures, window functions, and database design for analytics workloads. ✅ API Integration & Data Ingestion Custom integrations between real-world systems — ServiceM8, Xero, GA4, and more — handling complex mappings, schema differences, and data reconciliation across platforms. ✅ Marketing Analytics — GA4 & Looker Studio Connecting GA4 and web data to business KPIs — traffic, conversion, funnel performance, and ROI reporting using Looker Studio and Power BI. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 WHAT CLIENTS SAY ⭐⭐⭐⭐⭐ "Nader has been a fantastic delivery partner on our Power BI and ServiceM8 KPI dashboard project. He's highly capable technically, very responsive, and puts real care into building things properly rather than cutting corners." ⭐⭐⭐⭐⭐ "Nader is a very professional and impressive data analyst and visualization expert. He integrated well with our team and built strong visualizations and analytics that wowed our clients." ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠️ TECHNICAL SKILLS Analytics & Visualization Power BI · DAX · Power Query (M) · Looker Studio · Tableau · GA4 · Excel · Google Sheets Data Engineering & Cloud Microsoft Fabric · Azure Data Factory · Medallion Architecture · PySpark · Python (Pandas, NumPy) · Synapse · Data Lake Gen2 · Lakehouses · Git Databases & SQL MS SQL · MySQL · Google BigQuery · ETL/ELT Pipelines · Star Schema · Data Modeling · KPI Reporting · Database Design · API Integration ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ WHAT YOU CAN COUNT ON → 28 completed jobs · 5.0 average rating · Governance-ready deliverables → Clear communication → On-time delivery with attention to the details that matter → An engineer who understands your business context, not just your dataset → Clean, maintainable work you can build on after the project ends ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📞 FREE 30-minute discovery call — message me to book. Let's turn your data into a competitive advantage. 🚀