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Ziyad Ahmed Hashem
Available for Freelance Work

Ziyad Ahmed Hashem

Biomedical Engineer bridging the gap between clinical hardware and data-driven systems. From maintaining life-saving ICU ventilators to architecting complex Azure data pipelines, I bring a unique blend of mechanical intuition and digital precision to every project. One rule: precision over speed, always.

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IC V/Ω
Where Clinical Precision meets Digital Craft.
🫀 Biomedical 15+ Departments
×
Data Eng & Data Science
×
Freelance 12 Platforms

Who I Am

Ziyad Ahmed Hashem
15+Clinical
Depts
12Freelance
Platforms

Three disciplines. One engineer.

I am a Biomedical Equipment Engineer currently expanding into Data Engineering & AI. My foundation was built in the hospital — performing corrective maintenance, calibration, and safety testing on life-critical equipment across over 15 clinical departments. I know exactly what clinical data looks like because I maintain the machines that generate it.

Today, I apply that same engineering rigor to digital architecture, building data pipelines with Python, Azure, and Spark. In parallel, I run a freelance business delivering optimized career documents and automated data solutions to an international client base.

🫀

Clinical Engineering

Maintenance, Calibration, Safety (IEC 62353)

Data & AI

Pipelines, Azure, SQL, Python, Spark

Freelance Services

CV Optimization, Advanced Excel, Presentations

"Whether I\'m calibrating a ventilator, orchestrating a data pipeline, or building an AI agent, the methodology is identical: precision over speed, always."
— Ziyad Ahmed Hashem

Academic Background

Beni Suef University

Faculty of Applied Health Sciences Technology

B.Applied Health Sciences Technology — Biomedical Equipment Technology · Graduated — 2026

3.2
GPA / 4.0
B+
Grade
82%
Percentage
2026
Graduation
Biomedical Equipment Medical Devices Clinical Engineering Hospital Technology Electronics Data & Computing
Ziyad Graduation
Completed — July 2026

Data Engineering & AI

AMIT Learning — Digital Egypt Pioneers Initiative

120
Hours
40
Sessions
10
Modules
M1Intro to Data Engineering
M2Programming Essentials — Python, OOP, Pandas
M3SQL & Database Management
M4Advanced Python — APIs, Web Scraping
M5Data Pipelines — ETL/ELT, Airflow
M6Big Data — Hadoop, Spark, Kafka
M7Microsoft Azure Data Engineer
M8Deployment — Docker, Terraform, CI/CD
M9AI for Data Engineers — LangChain
M10Capstone Project

🎯 Target Certification: Microsoft Azure Data Engineer Associate (DP-203)

Issued by: Ministry of Communications & IT — رواد مصر الرقمية

Capabilities & Expertise

Core Competencies
🔧
Preventive Maintenance
92%
🛠
Corrective Maintenance
88%
⚖️
Calibration & Verification
87%
Electrical Safety (IEC 62353)
85%
📋
Equipment Installation & Commissioning
86%
📄
Technical Documentation & PM Checklists
90%
🔎
Fault Detection & Troubleshooting
85%
📜
IEC 60601-2-24 (Syringe Pumps)
82%
Medical Device Types
Mechanical Ventilators Infusion Pumps Syringe Pumps Patient Monitors Defibrillators Anesthesia Machines ECG Machines Pulse Oximeters Electrosurgical Units (ESU) Endoscopy Systems CT Scanners Digital X-ray (DR) C-arm Fluoroscopy Ultrasound Systems DSA / Catheterization Systems Hematology Analyzers Clinical Chemistry Analyzers Blood Gas Analyzers Coagulation Analyzers Centrifuges Autoclaves TENS / EMS Units Therapeutic Ultrasound Traction Units Laryngoscope Nebulizers NPWT Units Bilirubinometers
Manufacturers & Brands
DrägerPhilipsGE HealthcareSiemens HealthineersMindrayNihon KohdenFresenius KabiSYSMEXABBOTTBeckman CoulterOlympusKarl StorzTuttnauerErbeEsaoteHORIBAFujifilmAgfa HealthcareBD AlarisMasimoNellcor
Programming & Libraries
🐍
Python & OOP
74%
📊
Pandas & NumPy
72%
🗄
SQL & PostgreSQL
72%
🍃
MongoDB & NoSQL
67%
🕷️
Web Scraping (BeautifulSoup, Scrapy)
80%
📈
Data Visualization (Matplotlib, Seaborn, Plotly)
73%
Pipelines & Big Data
🔄
ETL / ELT Pipelines
70%
⚙️
Apache Airflow
65%
🔥
Apache Spark & PySpark
63%
📨
Apache Kafka
60%
🐘
Hadoop (HDFS, MapReduce, Hive)
57%
🦆
DuckDB & Parquet
74%
Cloud & Azure
☁️
Azure Synapse Analytics
65%
🏞️
Azure Data Lake Gen2
67%
📊
Power BI
63%
🚀
Docker & CI/CD
67%
🤖
LangChain & HuggingFace
60%
🔀
Git & GitHub
77%
Keywords & Technologies
CDCDelta LakeACID TransactionsData WarehouseHTAPServerless SQL PoolAzure Data FactoryAzure Cosmos DBAzure Event HubAzure Stream AnalyticsStar SchemaSnowflake SchemaGraphQLREST APITerraformPrometheusGrafanaGitHub ActionsJupyter NotebookAnacondaVS CodePrompt EngineeringGenerative AILLM Integration
Embedded Systems & Programming
🤖
Arduino & Embedded C/C++
80%
📊
MATLAB & Simulink
72%
📡
LabVIEW
60%
📶
Signal Processing
73%
⚙️
Stepper Motor & PWM Control
74%
🧩
Sensor Interfacing
77%
Circuit Design & Fabrication
Power Electronics
74%
🔌
Analog Circuit Design
73%
📐
PCB Design & Fabrication
70%
📦
3D CAD Design & Printing
67%
Keywords & Tools
DC-DC Converter (Boost/Buck)DC-AC InverterAC-DC RectifierH-BridgeOp-Amp AmplifiersEEPROMTFT TouchscreenMAX30102 (PPG Sensor)DHT22HC-SR04 (Ultrasonic)Hall Effect SensorOscilloscopeMultimeterBreadboard PrototypingMechatronicsInterrupt Handling
Professional Competencies
🎯
Problem Solving & Critical Thinking
92%
🔍
Attention to Detail
95%
💬
Communication & Stakeholder Engagement
85%
Time Management
88%
🔄
Adaptability & Cross-Domain Range
94%
Technical & Academic Writing
88%
👑
Leadership & Team Management
85%
📚
Continuous Learning & Self-Development
96%
🌐
Bilingual Communication (AR / EN)
90%
🔬
Evidence-Based Methodology
91%
🤝
Cross-Functional Collaboration
85%
🧘
High-Pressure Performance
87%
Keywords
Stakeholder Communication Event Organization Project Coordination Multi-Industry Adaptability Scientific Writing Structured Thinking Precision-First Approach Institutional Representation Research & Analysis Error Handling Documentation Standards Arabic–English Code Switching
Sales & Client Management
🤝
Negotiation & Deal Structuring
84%
👥
Client Acquisition & Outreach
80%
💌
Proposal Writing & Targeting
86%
📞
After-Sales & Client Retention
82%
🎯
Value-Based Selling
78%
🔍
Project Assessment Methodology
88%
Operations & Commerce
🏭
Supplier Sourcing & Procurement
82%
📦
Inventory & Logistics Coordination
77%
💰
Financial Tracking & Reconciliation
74%
🌍
Inter-Governorate Trade Operations
80%
Personal Branding & Freelance Platforms
🔗
LinkedIn Profile Optimization
95%
📝
CV & ATS Resume Writing
92%
🎨
PowerPoint Presentation Design
88%
📊
Advanced Excel Solutions
85%
🌐
AR ↔ EN Translation
95%
🏪
Multi-Platform Presence (12 Platforms)
90%
Keywords
B2C Sales B2B Sales Anchoring & Counter-Offering Skill-Fit Analysis Client Reliability Evaluation Supply Chain (Basic) Trade Documentation ATS Compliance Keyword Optimization Personal Brand Strategy Mostaql · Khamsat · Upwork · Fiverr Freelancer.com · Kafeel · Hsoub

Work & Training

Additional Experience
Freelance Professional
Jan 2026 – Present
💼 Active Across 12 Platforms
  • Automation & AI Agents: Built intelligent multi-channel systems (ManyChat, Google Sheets CRM) for seamless automated workflows.
  • Data Pipelines & Research: Structured data handling, analysis, and comprehensive academic/technical research writing.
  • CV & ATS Resume Engineering: Created industry-specific design variants (Clinical, Data, Sales) tailored to client roles and target markets in Arabic & English.
  • PowerPoint & Excel: Designed academic/corporate decks and advanced cross-sheet automated dashboards.
  • Platform Expansion: Independently closed 3 transactions as part of the DEPI NOVA project and maintained active client retention across 12 freelance platforms.
MostaqlKhamsat UpworkFiverr Freelancer.comKafeel +6 More
Sales, Operations & Trade Coordinator
2010 – 2021
🏪 Family Poultry & Livestock Trade · Beni Suef & Inter-Governorate
  • Supplier sourcing and price negotiation across Upper Egypt (Asyut, Minya, Fayoum, Sharqia) — developed a stable recurring supplier network over four years
  • B2C and B2B sales targeting premium Cairo markets (Maadi, Madinaty) — recognized for consistent performance and progressively assigned greater operational responsibility
  • Inventory management, inter-governorate logistics coordination, and transport scheduling
  • Daily financial reconciliation — revenue recording, cost tracking (spoilage, transport), profit distribution
  • After-sales follow-up and relationship management — converted first-time buyers into repeat clients through reliability and responsiveness
B2C / B2B Sales Negotiation Procurement Logistics
Multi-Sector Seasonal Experience
2018 – 2023
🏗 Summer Roles · Various Industries · Beni Suef & North Coast
  • La Vista Developments (North Coast) — Kitchen Steward · Jul–Sep 2023: F&B operations, HACCP procedures, high-volume kitchen management
  • La Vista Developments (North Coast) — Landscape Worker · Jul–Sep 2022: Grounds maintenance, irrigation systems, premium resort horticulture
  • Soap Manufacturing Facility · 2020: Production line, quality inspection, chemical handling
  • Rice Processing & Milling Facility · 2019: Grain handling, milling operations, bulk storage
  • Basma Food Industries · 2018: Frozen vegetable processing, GMP standards, cold chain handling
Hospitality Food Safety (HACCP) GMP Production Line Cross-Industry

// PROJECTS & PORTFOLIO

What I've Built

Graduation projects, applied engineering builds, data pipelines, and real freelance deliverables — documented, categorized, and traceable.

💉
✓ completed GRADUATION PROJECT

V.E.N.O.U.S — Custom-Built Syringe Pump - 3 Versions

Custom-built medical syringe pump developed across 3 major hardware iterations. Designed to precisely control intravenous fluid delivery, combining embedded hardware with remote mobile monitoring. Targets IEC 60601-2-24 infusion pump standards.

ARDUINOESP32STEPPER MOTOR TFT TOUCHSCREENIEC 60601-2-24 WIFI + MOBILE APP3D CADDUAL PUMP
🚀
✓ completed - $300 USD DEPI - NOVA

NOVA Freelance Commercialization Project

DEPI's entrepreneurship and commercial readiness track — demonstrating professional capability through real market results. Successfully closed 3 client transactions with a combined value of $300+ USD through active engagement across 12+ international platforms.

DEPI • NOVAMARKET ENGAGEMENT12+ PLATFORMS
📊
✓ completed DEPI CAPSTONE

Kemet Analytics — NYC Mobility Data Platform

End-to-end containerized analytics platform analyzing 6.86M NYC trip records. Orchestrates massive-scale data workflows covering Yellow/Green Taxis, FHV/Uber/Lyft, and CitiBike datasets using industry-standard engineering tools.

DOCKERAPACHE AIRFLOWAPACHE SPARK POSTGRESQLSTREAMLIT6.86M RECORDS
🩺 👨‍💻

Pulse Oximeter (SpO2 Monitor)

Arduino-based SpO2 monitor using the MAX30102 dual-wavelength PPG sensor. Implements a Beer-Lambert law algorithm for oxygen saturation calculation, with digital filtering to suppress motion artifacts and ambient noise. OLED display shows real-time SpO2 percentage and heart rate. Threshold alarms trigger on low oxygen saturation values. Validated against a reference clinical device across multiple subjects.

ARDUINOMAX30102PPG • BEER-LAMBERTSIGNAL PROCESSING
🤖 👨‍💻

Arduino Sensing & Control Projects

A set of applied sensing and control builds: Temperature & Humidity Monitor (DHT11/22, LCD, threshold alerts) · Proximity & Object Detection (HC-SR04, IR sensor, PWM feedback proportional to distance) · Speed Measurement System (Hall effect sensor, encoder wheel, RPM display) · Multi-sensor integration experiments with conditional logic, interrupt handling, and structured serial output. All projects documented with circuit schematics.

ARDUINODHT22 • HC-SR04HALL EFFECTPWM • INTERRUPTS

DC-DC Converters & Inverters

Power electronics circuit builds specifically targeting voltage transformation: DC-DC Boost Converter (Step-up voltage) · DC-DC Buck Converter (PWM controlled, efficiency measurement) · DC-AC Single-Phase Inverter (H-bridge MOSFET array, harmonic analysis).

BOOST CONVERTERBUCK CONVERTERINVERTERS
🎛️

AC-DC & Analog Control Circuits

Power regulation and control designs: AC-DC Rectifier with linear regulation (LM78xx/LM79xx) · AC-AC Voltage Controller (TRIAC/DIAC phase angle triggering for variable power output). Measured using oscilloscopes for waveform verification.

RECTIFIERSTRIAC / DIACLINEAR REGULATORS
📻

Op-Amp Amplifiers & Filters

Analog signal conditioning projects: Operational Amplifier circuits (LM741/TL071, gain calculation and bandwidth verification). Includes Inverting, Non-Inverting, Summing, and Differential configurations built for sensor signal amplification.

OP-AMPSLM741 / TL071SIGNAL CONDITIONING
📐

PCB Design & Fabrication

Transitioned selected electronic designs from breadboard prototypes to permanent printed circuit boards. Performed schematic capture, manual PCB layout, trace routing, copper etching, component soldering, and final functional testing.

PCB LAYOUTSOLDERINGFABRICATION
🕷️ 👨‍💻

Python Web Scraping Pipeline

Multi-page scraper targeting quotes.toscrape.com. Organized extracted data into a clean nested dictionary: each author mapped to their full quotes list and associated tags. Automatic pagination handling across all available pages. OOP-compatible code with personal naming conventions. Built in Jupyter Notebook (VS Code).

PYTHONBEAUTIFULSOUPOOP • PAGINATION
📈

MATLAB Simulation & Control Projects

RC filter and op-amp circuit simulations with direct comparison to hardware measurements. Arduino-MATLAB serial interface for live sensor data acquisition and real-time visualization. Control systems modeling covering transfer functions, step response analysis, and PID tuning — built for academic control systems coursework.

MATLABSIMULINKARDUINO-MATLAB SERIALPID CONTROL
🦆

DuckDB vs Pandas Benchmarking

Evaluated columnar processing engines on local infrastructure. Executed complex queries on 6.86M row Parquet files comparing the execution speeds of DuckDB against Pandas for big data workflows, proving DuckDB's multi-threading superiority.

DUCKDBPANDASPARQUET
☁️

Azure Cloud Storage Implementations

Deployed scalable blob storage solutions for clinical data lakes on Microsoft Azure. Managed IAM permissions and integrated Python scripts utilizing Azure SDKs for automated data staging, uploading, and retrieval workflows to the cloud.

AZUREBLOB STORAGECLOUD ARCHITECTURE

Real deliverables for real clients and end users. Every item here is a completed project — not a demo, not a practice exercise.

🤖
AU-01
Multi-Channel Chatbot & Lead Automation
CHATBOT

ManyChat-powered chatbot deployed across Facebook, Messenger, Instagram & WhatsApp simultaneously. Keyword triggers, lead qualification flows, and automatic Google Sheets database integration. Built for a network marketing client in Egypt — zero manual data entry, 24/7 automated lead capture.

📊
EX-01
Academic GPA Calculator — BSU
EXCEL

9-sheet workbook covering BSU's full 4-year program. SUMPRODUCT credit-weighted GPA, conditional formatting, cross-sheet references. Widely adopted across the faculty cohort.

📋
EX-02
Student Batch Register — ~230 Records
EXCEL

Structured student roster and grade-tracking workbook for a class representative. Sequential indexing, grade columns, data validation — 230-student dataset with sort/filter capability.

🗺️
EX-03
Field Trip Participant Data Management
EXCEL

Official trip logistics workbook for an Earth Sciences faculty field trip. National IDs, contacts, addresses. RTL Arabic layout, print-optimized for formal administrative submission.

📄
CV-01
Personal CV — 4 Design Variants
CV WRITING

Multi-version personal CV as both career document and live service reference. Variants: Dark Header Two-Column (teal/navy), Full Navy Immersive, Clean ATS Single-Column, Visual Portfolio Compilation.

🧬
CV-02
Client CV — Biomedical Graduate, 4+ Variants
CV WRITING

Full client project for a final-year Biomedical student targeting lab device maintenance + sales roles. 4 design variants — Dark Gray, Clean White ATS, Navy Sidebar, Corporate Blue. Domain-specific positioning throughout.

📄
CV-03
ATS-Optimized Clean Resume
CV WRITING

Engineered for maximum parser compatibility. Uses standard typography, strict layout hierarchies, and dense keyword optimization to ensure 100% readability by Applicant Tracking Systems (ATS) while remaining visually sharp for human recruiters.

🟣
CV-04
Dark Professional Aesthetic
CV WRITING

A striking, modern CV design utilizing deep background tones and neon/cyan accents. Ideal for tech, design, and creative roles where visual differentiation and premium branding are required to stand out instantly.

📈
CV-05
Medical Sales Targeted CV
CV WRITING

Structurally designed for healthcare sales and marketing. Highlights quotas, B2B territory expansion, and technical product knowledge upfront. Optimized to convert clinical expertise into quantifiable sales metrics.

🔧
CV-06
Field Service Engineering CV
CV WRITING

Custom layout tailored for maintenance and service engineers. Prioritizes hands-on experience, OEM training, SLA adherence, and corrective maintenance records. Built to highlight technical reliability and fast fault isolation.

🔗
LI-01
LinkedIn Full Optimization — 100% Score
LINKEDIN

Complete personal LinkedIn optimization — all 12 scored sections. Score independently verified at 100% via Mostaql LinkedIn Profile Analyzer.

🎨
PP-01
Laryngoscope — Medical Reference Deck
POWERPOINT

Comprehensive visual reference: airway management, device anatomy, and full type classification — Direct, Indirect, Fiber Optic, Video Laryngoscope. Grounded in OR & ICU training. (20 Slides)

☢️
PP-02
Nuclear Medicine — Clinical Imaging & Molecular Therapy
POWERPOINT

Cinematic dark-navy hero slide, PET/CT photography, color-coded 6-section Table of Contents, full-bleed section dividers, 2x2 clinical comparison grids, and a consistent teal-navy-white system across 40 slides. Flagship Premium academic design at a professional standard.

💡
PP-03
Luminescence & Types of Luminescence
POWERPOINT

Physics & biomedical: cold light emission, full type classification (Photo, Chemi, Bio, Electro, Thermo, Tribo-luminescence), applications in LEDs, sensors, and biomedical imaging. (11 Slides)

PP-04
Single Phase Inverter Design
POWERPOINT

Technical presentation detailing single-phase H-bridge MOSFET inverter design, PWM control principles, and harmonic reduction techniques. (12 Slides)

📻
PP-05
Amplifier Classes (A, B, AB, C)
POWERPOINT

Electronics engineering reference presentation covering analog amplifier classes, efficiency tradeoffs, bias points, and circuit topologies. (13 Slides)

📊
PP-06
Kemet Analytics: NYC Mobility Presentation
POWERPOINT

Executive project presentation summarizing the 6.86M record data pipeline, Docker orchestration, and DuckDB analytics for the DEPI Capstone project.

💉
PP-07
V.E.N.O.U.S Graduation Project Defense Deck
POWERPOINT

Formal university committee defense presentation outlining the Custom Syringe Pump's 3 hardware iterations, Flutter app integration, and IEC 60601 compliance.

🔬
RS-01
Biomedical Technology Research Paper
RESEARCH

Structured academic research document focusing on the evolution of critical care equipment, diagnostic imaging advancements, and preventative maintenance protocols. Formal scientific writing style with peer-reviewed citations.

📜
RS-02
Historical & Socio-Economic Analysis
RESEARCH

Comprehensive research writing covering historical event analysis and economic impact studies. Demonstrates strong capability in qualitative research, data synthesis, and formal Arabic academic composition.

💻
RS-03
Technical Software Documentation
RESEARCH

Produced detailed technical documentation for software pipelines, explaining architectural choices, API endpoints, database schemas, and deployment instructions for non-technical stakeholders.

🏥
RS-04
Clinical Engineering Compliance Study
RESEARCH

In-depth study on IEC 60601 and IEC 62353 electrical safety standards, applying theoretical regulations to practical hospital environments and medical device calibration procedures.

Get In Touch

For freelance work, a project idea, or any inquiry — I respond to all messages.

✉️
Email
ziyad.ahmed.hashem@gmail.com
📱
Phone / WhatsApp
+201212727518
📍
Location
Nasser, Beni Suef, Egypt

Messages go directly to my email. I respond to all inquiries.