About Me
I build secure, scalable, and real-time web systems that can handle
thousands of users simultaneously. My solutions streamline operations,
manage user access, automate workflows, and provide actionable
insights — improving efficiency and user experience for everyone.
I make complex systems simple and effective.
Core Expertise & Technologies
Real-Time & Workflow
Real-Time Web Systems
Thousands of Concurrent Users
Workflow Automation
Multi-Role Access Control
Notifications & Alerts
Backend & APIs
Node.js
RESTfy / REST APIs
GraphQL
PostgreSQL
Redis
JWT Authentication
WebSockets
Microservices
Serverless Functions
Frontend & UI/UX
Angular
Material UI
TypeScript
HTML5
CSS3
Responsive UI / Dashboards
DevOps & Deployment
Docker
Kubernetes
CI/CD Pipelines
Cloud-Native Deployment
Monitoring & Logging
Certifications
IBM Full Stack Software Developer
Completed 15 courses covering Front-end, Back-end, Databases, Cloud
Native Applications, Microservices, DevOps, and AI development.
Verify certificate:
View Certificate
Featured Projects
School Management System
Angular, Material UI, Node.js, GraphQL, Mercurius, RESTfy,
PostgreSQL, Redis, WebSockets
Multi-role dashboards for Headteacher, Teacher, Parent,
Cashier, and Admin
Attendance, leave, exams, events, gifts, SMS notifications,
staff & expense management
Real-time updates via WebSockets; CI/CD deployment
Visit demo:
school.yahyasimple.com
Money Remittance System
Angular, Material UI, Node.js, GraphQL, Mercurius, RESTfy,
PostgreSQL, Redis, WebSockets
Send and receive remittances across branches with role-based
control (Agent, Manager, Admin)
Features include KYC verification, transaction history,
commission calculation, and branch ledger
Real-time updates for new transactions and notifications via
WebSockets
Demo: private (available on request)
Hotel Management System
Angular, Material UI, Node.js, GraphQL, Mercurius, RESTfy,
PostgreSQL, Redis, WebSockets
Internal operations: room tracking, check-in/out, billing,
staff coordination
Role-based access: Manager, Receptionist, Cashier,
Housekeeping
Inventory tracking and internal notifications; no public
booking
Demo: private (available on request)
Inventory Management System
Angular, Material UI, Node.js, GraphQL, Mercurius, RESTfy,
PostgreSQL, Redis, WebSockets
Product and supplier management, stock in/out, barcode support
Real-time stock updates with low-stock alerts via WebSockets
Reporting: daily/weekly/monthly summaries, history logs
Demo: private (available on request)
Experience
Freelance Full Stack Developer & Designer — Local
Clients (2019–Present)
Built secure, scalable, real-time platforms for diverse business
challenges
Designed UI/UX flows and prototypes to simplify complex workflows
Ensured multi-role access and automated operations with actionable
insights
Education
Bachelor of Computer Science (BCompSc)
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