Gold Ingots Calculator
Precise calculation experience for gold trading workflows
ReactTypeScriptResponsive UIValidation
Hi, I'm
Tarek Ragab
Full-Stack Software Engineer & Cloud Developer
Full-Stack Software Engineer with 4+ years of experience in .NET, React, Azure, and scalable data-driven solutions. Proven track record in delivering 40+ high-performance web applications and data pipelines that improve efficiency, performance, and reduce operational costs.
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Years Experience
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Apps Shipped
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Job Success
About
Engineering with measurable outcomes
I work end-to-end: architecture, implementation, and delivery. My approach starts with business impact and backs it up with maintainable systems and user-centered design.
System Thinking
I design for scale, operational clarity, and future extensibility from day one.
Delivery Discipline
Automation, CI/CD, and clear handoff standards keep releases reliable and predictable.
Interactive UX
Interfaces designed for quick comprehension, fluid transitions, and purposeful motion.
Skills
Tech stack across product, data & cloud
Full-stack capabilities spanning languages, frameworks, cloud infrastructure, and embedded systems.
Programming Languages
6 skills
C#C++JavaScriptTypeScriptPythonDart
Frameworks & Platforms
5 skills
.NET · Node.js · Nest.js · React · +1
Cloud & Serverless
5 skills
Azure Function Apps · Azure Service Bus · Azure Web Hosting · Azure IoT Hub · +1
Data & APIs
7 skills
SQL Server · PostgreSQL · RESTful APIs · WebSockets · +3
Embedded & IoT
7 skills
ESP32 · STM32 · C++ · MQTT · +3
AI & Automation
9 skills
AI Automation · n8n · Zapier · Make.com · +5
Version Control & CI/CD
3 skills
Git · GitHub · GitHub Actions
Miscellaneous
7 skills
UML · Documentation Practices · Markdown · LaTeX · +3
Projects
Shipped from idea to deployment
A curated set of projects including production deployments and source repositories.
Floosy Feen
Personal finance tracking with actionable visibility
ReactData VisualizationState ManagementUX Flows
Arabi Lingo AI
Language learning with AI-backed interaction loops
AI Product DesignLanguage UXPrompt Workflows
Personal Product
Apartment Listing Platform
Listing workflows and searchable housing inventory
Frontend ArchitectureSearch UXReusable Components
RES-VA
Lead Generation Reporting App
Real-time lead analytics and KPI visibility
.NETSQLRedisReactTypeScript
SANAD Finance
Loan System Reporting App
Faster reporting and stronger cashflow insight
SQLPythonElasticsearchDocker
RES-VA
End-to-End Data Pipeline
Automation-first pipeline for CRM and dialer data
PythonAzure Function AppsAzure Service Bus
Future of Egypt
Human Resources Management
Responsive HR platform with reporting improvements
Flutter WebNode.jsSQL ServerViews and Procedures
Boreal Laser Inc.
Licencer Desktop App
Cross-platform licensing with secure validation
DartFlutter DesktopRive Design
Boreal Laser Inc.
IoT Dashboard
Real-time sensor monitoring for faster diagnostics
HTMLCSSJavaScriptC++ESP32
Graduation Project
Industrial Web Dashboard
Industrial process visibility with responsive UI
Node.jsReact.jsGitHub Actions
Sector B5
Maze Solver Robot pi-bot
Autonomous robotics firmware and algorithm design
C++ArduinoRobotics
Experience
Recent roles & execution scope
Software Engineer (Part-time)
White Space Solutions- Initiating and maintaining AI-based automation pipelines.
- Building web-based applications.
- Participating in business and product requirements.
- Contributing to system design and CI/CD pipelines.
- Coordinating with clients on system features and requirements.
Senior Software Engineer
Limaz Inc.- Leading development of a scalable SaaS platform for inventory management using Node.js, Next.js, and GCP.
- Implemented CI/CD pipelines with GitHub Actions, reducing deployment time by 90%.
- Collaborated on product design to align technical solutions with business goals.
- Mentored junior engineers and established coding standards to improve code quality.
AI Automation Engineer (Freelance)
We Buy Any Vegas House- Architected and deployed custom n8n nodes to bridge complex data gaps between REST APIs and enterprise platforms.
- Led the full-scale migration of legacy workflows from Zapier and Make.com to n8n, improving system reliability and reducing technical debt.
- Engineered modular, high-performance automation frameworks ensuring clean, maintainable, and scalable backend structures.
- Integrated cross-platform ecosystems, including WordPress/Gravity Forms and Podio, to automate mission-critical business processes.
- Optimized API data flows by implementing advanced error handling, rate-limit management, and rigorous validation protocols.
Full-Stack Software Engineer
RES-VA- Built full-stack solutions using React.js, C#, .NET, and SQL Server, streamlining KPI tracking and data management.
- Automated workflows with Azure Function Apps and Service Bus, reducing data collection time by 10x.
- Implemented deployment pipelines improving maintainability and version traceability.
- Collaborated on the ERD design for a multi-tenant file management system.
Database Engineer (Upwork Freelance)
Sanad Finance
- Implemented Python data migration scripts transferring data from SQL Server to PostgreSQL with restructured schema and constraints.
- Designed and optimized materialized views and complex CTEs for reporting dashboards.
- Built and configured an integrated ELK stack to visualize performance analytics directly from PostgreSQL.
- Improved data reliability and query performance by 30%.
Embedded IoT Engineer (Upwork Freelance)
Boreal Laser Inc.- Developed firmware for multi-sensor IoT devices ensuring secure communication and stable real-time telemetry.
- Built a lightweight IoT dashboard using Vanilla JS, HTML, and CSS to visualize live sensor data, reducing diagnostic time by 30%.
Desktop App Developer (Upwork Freelance)
Boreal Laser Inc.- Built a cross-platform Flutter Desktop licensing application integrated with APIs and hardware-based encryption.
- Reduced manual license issuance time by 50% through automated validation workflows and local caching.
Embedded IoT Engineer (Upwork Freelance)
Signal Dynamic
- Developed firmware for a Universal IoT Module enabling secure bidirectional communication via Azure IoT Hub.
- Implemented OTA updates and telemetry pipelines supporting predictive maintenance.
- Designed device provisioning and cloud event routing for scalable IoT deployments.
Mid-Level IoT Firmware Engineer (Full-time)
SudoTechs- Created IoT systems architecture and implemented firmware for 20+ industrial devices.
- Optimized embedded workflows, reducing data transmission delays by 80%.
- Delivered scalable IoT solutions handling 2x more connected devices.
IoT Instructor (Part-time)
CIC, Cairo- Structured and delivered a hands-on IoT curriculum for 200+ students.
- Conducted 80+ hours of workshops and lab sessions focusing on microcontrollers and IoT system design.
Digital Fabrication Trainee (Internship)
Sector B5- Gained practical experience with 3D printing (FDM, SLA) and CNC machining.
- Built an autonomous maze-solving robot achieving 20% faster navigation than baseline models.
Reviews
What clients say
Feedback from clients and collaborators across Upwork engagements, IoT products, and platform work.
Tarek is good at communication and planning the solution based on the situation and the requirements. Looking forward to continuing the collaboration. Hard to find talent as good as him and as competent. HIGHLY recommend.
C
Casey Ryan
We Buy Any Vegas House
Tarek is a fantastic developer. He took on a project that grew from simple reporting into a full database migration and executed it perfectly. He managed the data mapping and scripting effortlessly, resulting in a successful launch. A pleasure to work with him.
A
Abdulrahaman Alzamil
Sanad Finance
I am thoroughly impressed with the outcome of this project and the role Tarek played in its realization. The success of our collaboration has led us to continue our professional relationship with a new venture—an app version of the web server interface. I look forward to what we will achieve with this continued partnership.
Edward Don Adrenana
Senior Software Engineer
Boreal Laser Inc.
Tarek was great - very good and thorough communication and successfully completed the work on schedule. Will certainly use again in future.
Chris Byard
CTO
Signal Dynamic
Tarek's attention to detail and problem-solving skills are remarkable. He transformed our data processing capabilities and delivered a solution that handles 2x more data efficiently. Would definitely work with him again.
A
Aser Nabil
Product Owner
SudoTechs
Tarek demonstrated exceptional expertise in system design and clean architecture principles. His work ensured scalability, maintainability, and performance, setting a strong foundation for our application. Highly recommend his skills.
S
Seif Mostafa
Senior Software Engineer
RES-VA
Our experience has been immensely positive, a reflection of both the Upwork platform's efficacy and Tarek's exceptional talent and work ethic. This project exemplifies how visionary individuals can transform ideas into exemplary solutions.
T
Tim Ho
Product Owner
Boreal Laser Inc.
Blog
Engineering notes
Browse the latest articles or explore the full archive for architecture, IoT, and product engineering write-ups.
May 25, 2026
Why "Tenant ID Everywhere" Is Not Enough for Multi-Tenant Isolation
Adding a tenantId column is the easy part. The real isolation bugs hide in auth context, API keys, background jobs, queues, webhooks, and admin bypasses.
8 min readRead
Mar 8, 2026
REST vs WebSockets vs MQTT: Choosing the Right Protocol for your Projects
A practical decision framework for selecting communication protocols in IoT systems, based on real project trade-offs across latency, reliability, and infrastructure complexity.
7 min readRead
Mar 1, 2026
How I Actually Use AI Tools as a Software Engineer
A practical breakdown of where AI tools genuinely help in day-to-day engineering work, where they fall short, and how to use them without losing your edge.
8 min readRead
Contact
Let's build something together
Available for direct collaboration on software products, platform engineering, or architecture consulting.
tarek.madany113@gmail.com
Upwork
Hire me on Upwork
Connect professionally
GitHub
See open-source work
Phone
+201090477381
Location
Cairo, Egypt