Zakaria Shahen
back-end developer
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[Book: Software Architecture: The Hard Parts] Ch1 ~ Ch11
- Ch1: 17-09-2025 - Ch2: 25-09-2025 - Ch3: 26-09-2025 - Ch4: 29-09-2025 - Ch5: ?~06-10-2025 - Ch6: 07-10-2025 - Ch7: ?~10-10-2025 - Ch8: 10-10-2025 - ch9~ch11: 12-10-2025
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[Book: Modern Concurrency in Java] Ch1 ~ Ch5
- Ch1 ~ Ch2: 27-08-2025 - Ch3: 28-08-2025 - Ch4: 12-09-2025 - Ch5: 13-09-2025 - Ch6 ~ Ch8: 14-09-2025
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[Project: Kubernetes]: Kubernetes Deployment for Spring Application
Project Link: GitHub- Deploying a Java application to a Kubernetes cluster by containerizing it
- Establishing a K8S external service allows pods within the cluster to connect to the database outside the cluster.
- Use ConfigMap, Secret, Deployment.
- Use GitHub Action to create a Continuous Integration (CI) pipeline to build a docker image and push it to GitHub Packages Registry.
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[Project: Kubernetes Deployment]: K8s deployment to deploy Spring Application
Project Link: GitHub- Deploying a Java application to a Kubernetes cluster by containerizing it
- Establishing a K8S external service allows pods within the cluster to connect to the database outside the cluster.
- Use ConfigMap, Secret, Deployment.
- Use GitHub Action to create a Continuous Integration (CI) pipeline to build a docker image and push it to GitHub Packages Registry.
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[LinkedIn Learning]: Getting Started with Kubernetes Path
Learning Kubernetes: 26-01-2025 Kubernetes: Your First Project: 09-06-2025 Kubernetes: Essential Tools: 09-06-2025 Kubernetes: Microservices: 09-06-2025 Kubernetes: Cloud Native Ecosystem: 10-06-2025 Securing Containers and Kubernetes Ecosystem: 13-06-2025
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[kube.academy]: Interacting with Kubernetes + Introduction To Building Application Platforms with Kubernetes courses
- Interacting with Kubernetes
- Introduction To Building Application Platforms with Kubernetes
Start & End date: 10-05-2025
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[kube.academy]: Understanding Cloud Native - Learning Path
Start & End date: 9-05-2025 -
[kube.academy]: Introduction to Building Cloud Native Applications - Learning Path
Start Day: 08-05-2025
End Day: 09-05-25 -
[Writing: kubernetes]: Writing k8s note to documented my learning journey.
- Documented my learning journey through writing.
- Gist: k8s_node.md -
[kube.academy]: Kubernetes Core Concepts - Learning Path
Start: 02-05-2025
End: 05-05-2025
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[PR: GSoC - OpenRewrite & Kotlin Foundation] created first pull request in Google Summer of Code
Pull Request
I hope the PR will be great and marge it.
Why?
- Google summer of code is good start point in open source contribution
- It's help me to grow.
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[Book: Microservices in action] Ch1 ~ Ch12
Ch1: 24-12-2024 Ch2: 25-12-2024 Ch3: 26-12-2024 Ch4: 27-12-2024 Ch5: 28-12-2024 Ch6: 29-12-2024 Ch7: 30-12-2024 Ch8: 30-12-2024 Ch9: 01-01-2025 ch10~ch12: done
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[Project: back-end API]: Library Management API
Tech stack: Spring framework, Spring boot, Spring security, Spring date JDBC, MySQL, Test Container, Docker, git, MapStruct, Lombok
repository -
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[Course: AWS Skill Builder]: AWS Cloud Practitioner Essentials
Model 1~3: 3-5-2024
Model 4~5: 4-5-2024
Model 6~8: 5-5-2024
Model 9~11: 7-5-2024
aws_certified_cloud_practitioner_notes.md
Course -
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[Reading: baeldung] Java Service Provider Interface
https://www.baeldung.com/java-spi -
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[Reading, Videos]: OPP review, Responsibility-Driven Design, Connascence, ..etc.
- Connascence
- Responsibility-Driven Design
- OOP
4 Principles of Object-Oriented Programming
- Leaky Abstraction
Dependency Injection & Inversion Explained | Node.js w/ TypeScript
- Coupling, Cohesion & Connascence
- Why Test-Driven Development?
- Overview of Outside-In TDD
- Maintain a Single Layer of Abstraction at a Time
Conway's Law
- Stable Dependency Principle (SDP)
- Class Invariant
- Organizing App Logic with the Clean Architecture [with Examples]
- Command Query Separation and HeisenBug
Minimal Interface
Humane Interface
- Thin Interfaces, thick implementations
- Anemic Domain Model
- SOLID
- SOLID Principles: The Software Developer's Framework to Robust & Maintainable Code [with Examples]
- Better Software Design with Application Layer Use Cases | Enterprise Node.js + TypeScript
- REST-first design is Imperative, DDD is Declarative [Comparison] - DDD w/ TypeScript
- 3 Categories of Hard Software Problems
- Better Software Design with Application Layer Use Cases | Enterprise Node.js + TypeScript
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[Course: educative]: A Practical Guide to Kubernetes
I'm going back to learn a new course🎉. -
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[Course: educative]: Web app security path - 4 modules/courses
Start date: Null
Link
Modules/Courses
- Web Application Security: Understanding HTTP Security Headers
- Web Security and Access Management: JWT, OAuth 2, OpenId Connect
- Integrate Auth0 with Java Servlet Application
- Web Application Security for the Everyday Software Engineer -
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[Reading: programiz] Kotlin Tutorial
content
Note: The start date might not be exact. -
began working as a back-end developer 🎉 at Banque Misr
I got first job as back-end developer 🎉🎉🎉
after years of working for my dream, I'm a back-end developer, so, yeah🎉🎉✌️
Tech Stack: Java, Kotlin/JVM, Spring, ..etc. -
[Course: pluralsight] Getting Started with Jenkins
Content
Completion Date: 25-12-2022 -
[Course: pluralsight] DevOps Foundations: Continuous Integration and Continuous Delivery
Content
Completion Date: 25-12-2022 -
[Course: pluralsight] Docker Deep Dive
Course | Completion Date
Docker Deep Dive | 24-12-2022
Getting Started with Docker | 21-12-2022
Docker and Kubernetes: The Big Picture | 23-12-2022 -
[Book: Spring Microservice In Action]
Completion Date: 18-12-2022 🎉
My Project: firstMicroserviceArchitectureChapters | Start~End time Ch1~Ch6 | 3~7 -12-2022 Ch7 | 9 -12-2022 Ch8~Ch9 | 12~13 -12-2022 Ch10 | 15 -12-2022 Ch11~Ch12 + Appendix B | 17~18 -12-2022 Appendix A | null -12-2022
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Spring Project: Expense Tracker
I used Java, Spring boot, Spring data, JUnit, Mockito, Lombox, Spring MVC, Git
https://github.com/zakaria-shahen/budgetManagement -
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[Course: educative]: Data Structures and Algorithms in Python
content
It was completed on 30-7-2022 🎉 -
[Course: maharatech] ITI Tech Leaps program requirements
- [x] Accept (Email) - 10-5-2020
- [x] Java Programming - 3-5-2022
- [x] Web Fundamental (Html,CSS) - 27-4-2022
- [x] Freelancing - 13-2-2022
- [x] Database Fundamentals before Start Time
- [x] JavaScript - before Start Time
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[Course: maharatech] Introduction to network security
- Network Security Concepts and Design
- Network segmentation and Monitoring
- Firewalls and Honeypots
- Intrusion Detection and Prevention Systems
- Wireless Networks Security
- Protecting Your Network
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[Course: maharatech] Computer Network Fundamentals
- Introduction to Computer Networks
- ISO/OSI Model (7 Layers)
- TCP/IP Protocol Suite
- Recorded Labs
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[Course: maharatech] JavaScript
Content
JavaScript Language Basics
JS functions
JS built-in objects
error Object
object Object
function Object
Browser Object Model (BOM)
Document Object Model (DOM)
Events
AJAX & JSON
OOP -
[Course: datacamp] Data Engineering for Everyone
- What is data engineering?
- Storing data
- Moving and processing data
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[Course: pluralsight] Working with Databases in PHP
- PHP and Relational Databases
- PHP Data Objects (PDO)
- PHP and Non-relational Databases
- Use Doctrine ORM
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[Course: pluralsight] PHP: Getting Started
- Diving into PHP
- Processing Form Data
- Using MySQL with PHP
- MySQL Database Management
- More Features and Conclusion
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[Course: maharatech] Database Fundamentals
- Introduction (DBMS, DBMS Architecture , Data Models, ....)
- ERD
- ERD Mapping
- SQL
- DML
- SQL other Object (View, Indexs)
- Normalization
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[Course: maharatech] Building Web Applications using PHP & MYSQL
- Building the registration page
- Saving the data to the database
- Build SCRUD operations
- Authentication
- Forms Validations
- Restructure the app to follow OOP principals
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[Course: datacamp] Database Design
- Processing, Storing, and Organizing Data
- Database Schemas and Normalization
- Database Views
- Database Management
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[Course: datacamp] Joining Data in SQL
- Introduction to joins
- Outer joins and cross joins
- Set theory clauses
- Subqueries
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[Course: udacity] React nanodegree nd019
- React Fundamentals
- React & Redux
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[Course: datacamp] Introduction to SQL Server
- SELECTion Box
- Groups, strings, and counting things
- Joining tables
- You've got the power
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[Course: CS50] CS50
- C
- Arrays
- Algorithms
- Memory
- Data Structures
- Python
- SQL
- HTML, CSS, JavaScript
- Flask
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[Course: udacity] front end nanodegree nd0011
- CSS & Website Layout
- JavaScript and the DOM
- Web APIs and Asynchronous Applications
- Build Tools, Webpack, and Service Worker
- CSS & Website Layout
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[Course: udacity] C++ For Programmers
- Compilation and Execution
- Arithmetic Operations
- Control Flow
- Pointers
- Arrays
- Functions
- Classes
- Overloading
- Templates
- Classes and Inheritance
- PolyMorphism
- Vectors and Iterators
- Interview Questions
- C++ Checkpoint