Hey, I'm
Ahmed Mohamed Yousry
(Also known as Ahmed Arafat)Senior Backend Engineer
Focused on
Building high-performance APIs and robust architectures for enterprise systems across government & ministry-level clients worldwide.
About Me
Who Am I ?!
ACPC Finalist 2025 — Top competitive programming contest in the Arab world
Backend Engineer with 3+ years of experience building scalable, data-intensive systems and high-performance APIs across government and enterprise platforms. Delivered 17+ projects, 1,000+ API endpoints, and 300,000+ lines of production code serving 50,000+ users and handling 1M+ requests worldwide.
0
Years
Experience
Experience
0
Completed
Projects
Projects
0
Company/Institution
Worked
Worked
My Services
Solving Hard Engineering ProblemsAPI Development & Integration
I build production-grade RESTful APIs for enterprise and government platforms — the kind that handle 1M+ requests, serve mobile and web clients simultaneously, and stay maintainable as business rules evolve. If your systems are disconnected or your current API is becoming a bottleneck, I'll design a clean, documented, and scalable layer that your team can build on for years.
Complex Business Logic & Workflows
Government rebate pipelines, hierarchical MLM commission trees, multi-constraint shift schedulers — I've engineered the kind of domain logic that off-the-shelf tools can't touch. If your product has rules that live in spreadsheets, WhatsApp threads, or someone's head, I translate them into reliable, automated backend workflows with zero ambiguity.
Database Architecture
I design normalized, production-battle-tested schemas for systems that can't afford to get it wrong — 200+ table databases for ministry-level platforms, PostgreSQL schemas handling 20+ computed financial ratios, query logic returning results in under 2ms across 200k+ records. If your database is slowing you down or you're starting fresh, I'll give it a foundation that scales.
Backend System Design
From blank whiteboard to deployed VPS — I've architected 12+ production systems end-to-end, including concurrent-safe enrollment engines, compliance validation platforms, and financial analytics backends. Whether you need a technical partner at the design stage or someone to take full ownership of the backend, I work the way senior engineers do: think first, build right, ship clean.
Engineering Focus
Specialized in building high-performance architectures and scalable system designsHigh-Performance REST APIs
Architecting low-latency, high-throughput interfaces with advanced caching (Redis) and efficient resource hydration.
Database Architecture
Expertise in relational schema design, indexing strategies, and query optimization for datasets with millions of records.
Workflow Engines
Building complex state machines and business automation logic to handle mission-critical enterprise processes.
Concurrent-Safe Systems
Ensuring absolute data integrity in multi-threaded environments, preventing race conditions and deadlocks at scale.
Event-Driven Backends
Leveraging message queues and asynchronous workers to build highly decoupled, scalable, and responsive systems.
Performance Optimization
Systematic profiling and bottleneck elimination across the stack, from application logic to infrastructure tuning.
Projects
My Most Recent Enterprise Systems
FilmSA – Saudi Ministry of Culture
Website | PHP, Laravel, MySQL, REST APIs, Linux 2025
Engineered backend systems for a large-scale platform supporting film production workflows and cash rebate programs up to 40%.
Designed a highly normalized database schema (200+ tables) to support complex business domains with scalability, consistency, and long-term maintainability.
Implemented multi-stage workflow engines for rebate processing, handling 150+ file types and 15+ interdependent forms with strict validation and business rules.
Contributed 70% of backend development, delivering 350+ RESTful APIs with optimized queries and performance-focused design.
Read More
DAEM – Saudi Ministry of Investment
Website 2025
Engineered backend systems for a financial decision-support platform analyzing publicly listed companies and sector performance.
Designed a custom backend text processing algorithm and data processing pipeline to extract and structure financial data from OCR-generated reports, leveraging Elasticsearch-based search pipelines for high-accuracy retrieval.
Architected a normalized PostgreSQL schema (80+ tables) and implemented computation logic for 20+ financial ratios at both company and sector levels.
Processed 90+ financial reports across 32 firms (2021–2023) with 98% data extraction accuracy, enabling reliable financial insights and analysis.
Read More
Buy2 – Employee Management Platform (USA)
Website | PHP, Laravel, MySQL, REST APIs, Linux 2024
Sole backend engineer responsible for designing and delivering a full-scale employee management system supporting web and mobile applications.
Architected and implemented systems like Jira for task and project management, KPI tracking, attendance monitoring (check-in/out & breaks), rewards/voucher management, and performance evaluation.
Developed a comprehensive admin dashboard supporting employee accounts, departments, sites, shift scheduling, events, and role-based access control (RBAC).
Engineered a complex shift management module handling multi-constraint validation (site schedules, employee availability, qualifications, overtime rules, and template-based scheduling).
Read More
Uniters Academy – Multi-Level Marketing Platform
Website | PHP, Laravel, MySQL, REST APIs 2024
Engineered backend systems for a commission-based platform with referral tree structures and integrated e-wallet management.
Designed optimized tree data structures and traversal algorithms (BFS) to efficiently process hierarchical referral networks and compute client network metrics for 6,000+ nodes in the tree.
Built high-performance query logic achieving 1.6 ms response time for complex network computations across 200k+ production records.
Contributed to a system generating 12M+ EGP revenue within 6 months ($220K USD), supporting scalable growth and financial operations.
Read More
Graduation Projects Management System (GPMS) – Capital University
Website 2026
Architected and deployed a production system replacing a 15+ year manual Excel-based work for managing graduation projects for level 4 students in BIS department, Capital University.
Designed role-based dashboards and strict ability-based access control serving students, supervisors, and administrators.
Engineered core workflows including multi-layer team registration validation, structured complaint lifecycle management, queue-driven email notifications, and automated CLI pipelines for bulk data operations.
Reduced registration time from 4 months to 1 week, supporting 1,100+ students, 8,000+ student/admin/doctor sessions, 1,500+ system emails, and 32,000+ database records with zero downtime.
Read More
Sections Registration System (SRS) – Capital University
Website 2026
Developed and deployed a production university course sections registration system supporting concurrent-safe enrollment using database-level locking to handle sections’ max capacity during high traffic.
Engineered a custom multi-rule validation engine to enforce complex constraints and academic policies.
Tools: Laravel 12, PostgreSQL 18, PgAdmin, React 19, Algorithms for Optimization, RESTful APIs, Queues, Jobs, Docker/Docker Compose, Postman Testing, Linux Ubuntu, Git, VPS, Bash Script, FrankenPHP/Caddy, Supervisors.
Read More
FilmSA – Saudi Ministry of Culture
Website | PHP, Laravel, MySQL, REST APIs, Linux 2025
Engineered backend systems for a large-scale platform supporting film production workflows and cash rebate programs up to 40%.
Designed a highly normalized database schema (200+ tables) to support complex business domains with scalability, consistency, and long-term maintainability.
Implemented multi-stage workflow engines for rebate processing, handling 150+ file types and 15+ interdependent forms with strict validation and business rules.
Contributed 70% of backend development, delivering 350+ RESTful APIs with optimized queries and performance-focused design.
Read More
DAEM – Saudi Ministry of Investment
Website 2025
Engineered backend systems for a financial decision-support platform analyzing publicly listed companies and sector performance.
Designed a custom backend text processing algorithm and data processing pipeline to extract and structure financial data from OCR-generated reports, leveraging Elasticsearch-based search pipelines for high-accuracy retrieval.
Architected a normalized PostgreSQL schema (80+ tables) and implemented computation logic for 20+ financial ratios at both company and sector levels.
Processed 90+ financial reports across 32 firms (2021–2023) with 98% data extraction accuracy, enabling reliable financial insights and analysis.
Read More
Buy2 – Employee Management Platform (USA)
Website | PHP, Laravel, MySQL, REST APIs, Linux 2024
Sole backend engineer responsible for designing and delivering a full-scale employee management system supporting web and mobile applications.
Architected and implemented systems like Jira for task and project management, KPI tracking, attendance monitoring (check-in/out & breaks), rewards/voucher management, and performance evaluation.
Developed a comprehensive admin dashboard supporting employee accounts, departments, sites, shift scheduling, events, and role-based access control (RBAC).
Engineered a complex shift management module handling multi-constraint validation (site schedules, employee availability, qualifications, overtime rules, and template-based scheduling).
Read More
Uniters Academy – Multi-Level Marketing Platform
Website | PHP, Laravel, MySQL, REST APIs 2024
Engineered backend systems for a commission-based platform with referral tree structures and integrated e-wallet management.
Designed optimized tree data structures and traversal algorithms (BFS) to efficiently process hierarchical referral networks and compute client network metrics for 6,000+ nodes in the tree.
Built high-performance query logic achieving 1.6 ms response time for complex network computations across 200k+ production records.
Contributed to a system generating 12M+ EGP revenue within 6 months ($220K USD), supporting scalable growth and financial operations.
Read More
Graduation Projects Management System (GPMS) – Capital University
Website 2026
Architected and deployed a production system replacing a 15+ year manual Excel-based work for managing graduation projects for level 4 students in BIS department, Capital University.
Designed role-based dashboards and strict ability-based access control serving students, supervisors, and administrators.
Engineered core workflows including multi-layer team registration validation, structured complaint lifecycle management, queue-driven email notifications, and automated CLI pipelines for bulk data operations.
Reduced registration time from 4 months to 1 week, supporting 1,100+ students, 8,000+ student/admin/doctor sessions, 1,500+ system emails, and 32,000+ database records with zero downtime.
Read More
Sections Registration System (SRS) – Capital University
Website 2026
Developed and deployed a production university course sections registration system supporting concurrent-safe enrollment using database-level locking to handle sections’ max capacity during high traffic.
Engineered a custom multi-rule validation engine to enforce complex constraints and academic policies.
Tools: Laravel 12, PostgreSQL 18, PgAdmin, React 19, Algorithms for Optimization, RESTful APIs, Queues, Jobs, Docker/Docker Compose, Postman Testing, Linux Ubuntu, Git, VPS, Bash Script, FrankenPHP/Caddy, Supervisors.
Read More
FilmSA – Saudi Ministry of Culture
Website | PHP, Laravel, MySQL, REST APIs, Linux 2025
Engineered backend systems for a large-scale platform supporting film production workflows and cash rebate programs up to 40%.
Designed a highly normalized database schema (200+ tables) to support complex business domains with scalability, consistency, and long-term maintainability.
Implemented multi-stage workflow engines for rebate processing, handling 150+ file types and 15+ interdependent forms with strict validation and business rules.
Contributed 70% of backend development, delivering 350+ RESTful APIs with optimized queries and performance-focused design.
Read More
DAEM – Saudi Ministry of Investment
Website 2025
Engineered backend systems for a financial decision-support platform analyzing publicly listed companies and sector performance.
Designed a custom backend text processing algorithm and data processing pipeline to extract and structure financial data from OCR-generated reports, leveraging Elasticsearch-based search pipelines for high-accuracy retrieval.
Architected a normalized PostgreSQL schema (80+ tables) and implemented computation logic for 20+ financial ratios at both company and sector levels.
Processed 90+ financial reports across 32 firms (2021–2023) with 98% data extraction accuracy, enabling reliable financial insights and analysis.
Read More
Buy2 – Employee Management Platform (USA)
Website | PHP, Laravel, MySQL, REST APIs, Linux 2024
Sole backend engineer responsible for designing and delivering a full-scale employee management system supporting web and mobile applications.
Architected and implemented systems like Jira for task and project management, KPI tracking, attendance monitoring (check-in/out & breaks), rewards/voucher management, and performance evaluation.
Developed a comprehensive admin dashboard supporting employee accounts, departments, sites, shift scheduling, events, and role-based access control (RBAC).
Engineered a complex shift management module handling multi-constraint validation (site schedules, employee availability, qualifications, overtime rules, and template-based scheduling).
Read More
Uniters Academy – Multi-Level Marketing Platform
Website | PHP, Laravel, MySQL, REST APIs 2024
Engineered backend systems for a commission-based platform with referral tree structures and integrated e-wallet management.
Designed optimized tree data structures and traversal algorithms (BFS) to efficiently process hierarchical referral networks and compute client network metrics for 6,000+ nodes in the tree.
Built high-performance query logic achieving 1.6 ms response time for complex network computations across 200k+ production records.
Contributed to a system generating 12M+ EGP revenue within 6 months ($220K USD), supporting scalable growth and financial operations.
Read More
Graduation Projects Management System (GPMS) – Capital University
Website 2026
Architected and deployed a production system replacing a 15+ year manual Excel-based work for managing graduation projects for level 4 students in BIS department, Capital University.
Designed role-based dashboards and strict ability-based access control serving students, supervisors, and administrators.
Engineered core workflows including multi-layer team registration validation, structured complaint lifecycle management, queue-driven email notifications, and automated CLI pipelines for bulk data operations.
Reduced registration time from 4 months to 1 week, supporting 1,100+ students, 8,000+ student/admin/doctor sessions, 1,500+ system emails, and 32,000+ database records with zero downtime.
Read More
Sections Registration System (SRS) – Capital University
Website 2026
Developed and deployed a production university course sections registration system supporting concurrent-safe enrollment using database-level locking to handle sections’ max capacity during high traffic.
Engineered a custom multi-rule validation engine to enforce complex constraints and academic policies.
Tools: Laravel 12, PostgreSQL 18, PgAdmin, React 19, Algorithms for Optimization, RESTful APIs, Queues, Jobs, Docker/Docker Compose, Postman Testing, Linux Ubuntu, Git, VPS, Bash Script, FrankenPHP/Caddy, Supervisors.
Read More
Laravel All-In-One Toolkit – Open-Source Package
Packagist 2026
Developed an open-source Laravel package that standardizes backend development patterns and accelerates API implementation across projects.
Implemented unified API response formatting, modular validation rule composition, and dynamic query filtering with search and sorting support.
Added advanced pagination utilities, robust date parsing/formatting helpers, and file & Excel data processing tools.
Read More
K-Hub – Knowledge Sharing Platform
Website | PHP 8, MySQL, AWS EC2, Docker, REST APIs
Led the development of K-Hub, a knowledge-sharing platform aggregating curated learning resources (videos, playlists, articles, PDFs) and enabling community collaboration across programming tracks (C++, Java, PHP).
Owned system architecture and backend development, including database schema design, REST API implementation, DevOps setup, testing, and integration with the frontend.
Implemented 80+ platform features, 25+ security safeguards, and 10+ performance optimizations to ensure reliability and scalability.
Read More
DT Requirements – Digital Transformation Compliance Platform
Website 2025
Developed an automated bilingual (EN/AR) Digital Transformation compliance platform for Saudi Organization that validates regulatory requirements by matching Excel-defined evidence against archived documents using Elasticsearch.
Engineered a compliance validation engine that parses regulatory requirements from Excel and verifies supporting evidence through full-text search pipelines.
Implemented multi-level compliance scoring (sub-index, index, category, overall) with audit-ready reporting and automated evidence packaging (ZIP).
Built refreshable analysis pipelines enabling repeatable compliance evaluation and large-scale document verification.
Tools: Laravel 12, MySQL, Angular, Algorithms for Optimization, OCR Models, ElasticSearch, RESTful APIs, Queues, Jobs, Postman Testing, Linux, Git, Nginx, Supervisors.
Read More
PHP MVC Framework
GitHub 2025
Designed and developed a lightweight PHP MVC framework inspired by Laravel for small-to-medium applications, emphasizing clean architecture and separation of concerns.
Implemented core framework components including routing, controllers, views/layouts, and middleware pipeline.
Built database migrations and an Active Record ORM to streamline data access and schema management.
Added authentication, validation and event-driven architecture support to enable scalable application development.
Tools: PHP 8, Composer, OOP, Design Pattern, MVC, Git.
Read More
Advanced Point Of Sale (POS)
Tools: Laravel 10, MySQL, AWS EC2, Design Pattern, S.O.L.I.D, HTML5, CSS3, Bootstrap 5
Efficient Management Of Inventory, Expenses, Suppliers, Customers, Employees Data & Roles & Permissions Of Admins.
Read More
ReadyStack (Freelance)
Tools: PHP8, MySQL, OOP, Linux, HTML5
Created Back-End Of IT Consulting Company CRM Where Admin Can Control The Content Of Front-End And Clients Inquiries.
Read More
Laravel All-In-One Toolkit – Open-Source Package
Packagist 2026
Developed an open-source Laravel package that standardizes backend development patterns and accelerates API implementation across projects.
Implemented unified API response formatting, modular validation rule composition, and dynamic query filtering with search and sorting support.
Added advanced pagination utilities, robust date parsing/formatting helpers, and file & Excel data processing tools.
Read More
K-Hub – Knowledge Sharing Platform
Website | PHP 8, MySQL, AWS EC2, Docker, REST APIs
Led the development of K-Hub, a knowledge-sharing platform aggregating curated learning resources (videos, playlists, articles, PDFs) and enabling community collaboration across programming tracks (C++, Java, PHP).
Owned system architecture and backend development, including database schema design, REST API implementation, DevOps setup, testing, and integration with the frontend.
Implemented 80+ platform features, 25+ security safeguards, and 10+ performance optimizations to ensure reliability and scalability.
Read More
DT Requirements – Digital Transformation Compliance Platform
Website 2025
Developed an automated bilingual (EN/AR) Digital Transformation compliance platform for Saudi Organization that validates regulatory requirements by matching Excel-defined evidence against archived documents using Elasticsearch.
Engineered a compliance validation engine that parses regulatory requirements from Excel and verifies supporting evidence through full-text search pipelines.
Implemented multi-level compliance scoring (sub-index, index, category, overall) with audit-ready reporting and automated evidence packaging (ZIP).
Built refreshable analysis pipelines enabling repeatable compliance evaluation and large-scale document verification.
Tools: Laravel 12, MySQL, Angular, Algorithms for Optimization, OCR Models, ElasticSearch, RESTful APIs, Queues, Jobs, Postman Testing, Linux, Git, Nginx, Supervisors.
Read More
PHP MVC Framework
GitHub 2025
Designed and developed a lightweight PHP MVC framework inspired by Laravel for small-to-medium applications, emphasizing clean architecture and separation of concerns.
Implemented core framework components including routing, controllers, views/layouts, and middleware pipeline.
Built database migrations and an Active Record ORM to streamline data access and schema management.
Added authentication, validation and event-driven architecture support to enable scalable application development.
Tools: PHP 8, Composer, OOP, Design Pattern, MVC, Git.
Read More
Advanced Point Of Sale (POS)
Tools: Laravel 10, MySQL, AWS EC2, Design Pattern, S.O.L.I.D, HTML5, CSS3, Bootstrap 5
Efficient Management Of Inventory, Expenses, Suppliers, Customers, Employees Data & Roles & Permissions Of Admins.
Read More
ReadyStack (Freelance)
Tools: PHP8, MySQL, OOP, Linux, HTML5
Created Back-End Of IT Consulting Company CRM Where Admin Can Control The Content Of Front-End And Clients Inquiries.
Read More
Laravel All-In-One Toolkit – Open-Source Package
Packagist 2026
Developed an open-source Laravel package that standardizes backend development patterns and accelerates API implementation across projects.
Implemented unified API response formatting, modular validation rule composition, and dynamic query filtering with search and sorting support.
Added advanced pagination utilities, robust date parsing/formatting helpers, and file & Excel data processing tools.
Read More
K-Hub – Knowledge Sharing Platform
Website | PHP 8, MySQL, AWS EC2, Docker, REST APIs
Led the development of K-Hub, a knowledge-sharing platform aggregating curated learning resources (videos, playlists, articles, PDFs) and enabling community collaboration across programming tracks (C++, Java, PHP).
Owned system architecture and backend development, including database schema design, REST API implementation, DevOps setup, testing, and integration with the frontend.
Implemented 80+ platform features, 25+ security safeguards, and 10+ performance optimizations to ensure reliability and scalability.
Read More
DT Requirements – Digital Transformation Compliance Platform
Website 2025
Developed an automated bilingual (EN/AR) Digital Transformation compliance platform for Saudi Organization that validates regulatory requirements by matching Excel-defined evidence against archived documents using Elasticsearch.
Engineered a compliance validation engine that parses regulatory requirements from Excel and verifies supporting evidence through full-text search pipelines.
Implemented multi-level compliance scoring (sub-index, index, category, overall) with audit-ready reporting and automated evidence packaging (ZIP).
Built refreshable analysis pipelines enabling repeatable compliance evaluation and large-scale document verification.
Tools: Laravel 12, MySQL, Angular, Algorithms for Optimization, OCR Models, ElasticSearch, RESTful APIs, Queues, Jobs, Postman Testing, Linux, Git, Nginx, Supervisors.
Read More
PHP MVC Framework
GitHub 2025
Designed and developed a lightweight PHP MVC framework inspired by Laravel for small-to-medium applications, emphasizing clean architecture and separation of concerns.
Implemented core framework components including routing, controllers, views/layouts, and middleware pipeline.
Built database migrations and an Active Record ORM to streamline data access and schema management.
Added authentication, validation and event-driven architecture support to enable scalable application development.
Tools: PHP 8, Composer, OOP, Design Pattern, MVC, Git.
Read More
Advanced Point Of Sale (POS)
Tools: Laravel 10, MySQL, AWS EC2, Design Pattern, S.O.L.I.D, HTML5, CSS3, Bootstrap 5
Efficient Management Of Inventory, Expenses, Suppliers, Customers, Employees Data & Roles & Permissions Of Admins.
Read More
ReadyStack (Freelance)
Tools: PHP8, MySQL, OOP, Linux, HTML5
Created Back-End Of IT Consulting Company CRM Where Admin Can Control The Content Of Front-End And Clients Inquiries.
Read More
×
![Project Image]()
Experience & Education
Professional Journey2024
Backend Engineer (Laravel/PHP)
Next Economics & Technology
▪ Led backend development for large-scale government platforms including SPI and FilmSA, delivering high-performance RESTful APIs and scalable system architectures.
▪ Built and optimized production-grade APIs, database schemas, and business logic with a focus on performance, scalability, and maintainability.
2024
Teaching Assistant (Part Time)
Business Information System (BIS) - Capital University
▪ Taught 4,000+ students Backend (PHP, OOP, MySQL), Advanced Database, System Analysis, Linux.
▪ Conducted 550+ lab sessions with 50,000+ views & 7,200+ watch hours on YouTube
2024
Co-Founder & Back-End Engineer
InnovaDigit Solutions
▪ Led backend development for multiple production systems including Uniters Academy (WinLife) and TSCMS.
▪ Designed and implemented scalable backend architectures, including complex business logic, hierarchical data models and secure API systems.
▪ Owned system design decisions, database architecture, and performance optimization across high-traffic applications.
2023
Backend Engineer (Laravel/PHP)
Grand Technology
▪ Developed and optimized RESTful APIs for production web and mobile applications using Laravel.
▪ Integrated third-party payment gateways and collaborated with QA to improve system reliability and performance.
2024
Master's Degree (MSc) In Post Graduate Business Information System
Capital University - Egypt
Passed Preliminary Academic Year With CGPA 3.7 (1st Rank)
2022
Bachelor Degree In Business Information Systems (BIS)
Capital University - Egypt
Grade: Excellent With Honor, CGPA 3.94/4 (1st Rank Among My Batch).
Technical Skills
Back-End
PHP 8
Laravel 12
MySQL
SQL Server
RESTful APIs
Postman
Front-End
HTML5
CSS3
Javascript
JQuery
Bootstrap 5
AJAX
DevOps
Linux
Git VC
GitHub
AWS
Docker
Jenkins
jira
Testimonials
People I Worked WithHow I Work
A clear, disciplined path from idea to deployment
1
Discovery call (30 min)
We discuss your requirements, constraints, and technical context. You get a clear sense of what's feasible and what approach makes the most sense for your system.
Calendly or Google Meet
2
Scoping & proposal
I deliver a written breakdown: features, technical decisions, timeline, and fixed price. No surprises — scope changes are discussed and agreed before any work shifts.
Delivered within 48 hours
3
Development with checkpoints
Work is delivered in agreed milestones with a staging environment. You can test each piece before we move forward — no waiting until the end to see results.
Postman collections + documentation included
4
Delivery & handoff
Final deployment, code walkthrough, and handover documentation. Post-delivery support window included on all projects so you're never left stuck after launch.
Git repo + deployment guide
Contact Me
Open to remote contracts and full-time roles.I typically respond within 24 hours.