Development Blog

Follow our journey as we build the future of pizza restaurant management

Our Contributors

The developers working on PizzaWorld+

Full-Stack Frontend Architecture

Architected the complete Angular 19 single-page application with TypeScript 5.7, implementing standalone components, reactive programming with RxJS, and modern web standards. Designed scalable component architecture with lazy loading and efficient state management.

Angular 19 TypeScript 5.7 SPA Architecture

Spring Boot Backend Development

Co-developed the robust Spring Boot 3.4.6 backend with Java 17, creating 90+ RESTful API endpoints with comprehensive error handling. Implemented microservices architecture with modular design patterns and enterprise-grade scalability.

Spring Boot 3.4.6 Java 17 90+ APIs

Advanced Data Visualization

Built sophisticated charting and analytics system using ApexCharts 3.41, Chart.js 4.4.9, and D3.js 7.9. Created interactive dashboards with real-time data updates, advanced filtering, and comprehensive export functionality for business intelligence.

ApexCharts 3.41 D3.js 7.9 Business Intelligence

AI Integration & Machine Learning

Engineered Google Gemma AI integration with real-time streaming capabilities using Server-Sent Events. Developed intelligent chatbot interface with business context awareness, knowledge base integration, and role-based AI responses for personalized user experiences.

Google Gemma AI Machine Learning Server-Sent Events

Enterprise Security & Authentication

Implemented comprehensive security framework with JWT authentication, role-based access control (RBAC), and Spring Security 6. Designed secure user management for HQ_ADMIN, STATE_MANAGER, and STORE_MANAGER roles with BCrypt password hashing and CSRF protection.

JWT Authentication Spring Security 6 RBAC

Database Architecture & Optimization

Co-architected PostgreSQL database with Supabase cloud hosting, implementing 15+ materialized views for sub-100ms query performance. Designed HikariCP connection pooling with 30 max connections and advanced query optimization strategies.

PostgreSQL Supabase 15+ Materialized Views

Progressive Web App & UI/UX Design

Created enterprise-grade Progressive Web App with offline capabilities, push notifications, and responsive design. Utilized Tailwind CSS 3.4.17, PrimeNG 19.1.3, and Angular Material 19.2.18 for modern, accessible user interfaces with optimal user experience.

PWA Tailwind CSS 3.4.17 PrimeNG 19.1.3

Testing & Quality Assurance

Implemented comprehensive testing strategy with unit tests, integration tests, and end-to-end testing. Achieved 95+ test coverage with automated testing pipelines, ensuring 99.9% data accuracy and zero security incidents in production environment.

Unit Testing E2E Testing 95% Coverage

In collaboration with smajli7

Enterprise Backend Infrastructure

Designed and developed the complete Spring Boot 3.4.6 enterprise backend with Java 17, creating robust RESTful API architecture with 90+ endpoints. Implemented comprehensive error handling, logging, and modular microservices design patterns for optimal scalability.

Spring Boot 3.4.6 Microservices Enterprise Architecture

Frontend Development & Integration

Co-architected the Angular 19 frontend application with TypeScript 5.7, implementing reactive programming patterns and modern component architecture. Developed seamless frontend-backend integration with efficient state management and real-time data synchronization.

Angular 19 Frontend Integration Reactive Programming

Advanced Database Engineering

Engineered high-performance PostgreSQL database architecture with Supabase cloud infrastructure, implementing 15+ materialized views for lightning-fast analytics. Optimized query performance with strategic indexing and HikariCP connection pooling achieving sub-100ms response times.

PostgreSQL Engineering Performance Optimization Cloud Infrastructure

Security Architecture & Authentication

Architected enterprise-grade security framework using Spring Security 6 with stateless JWT authentication. Implemented multi-layered security with role-based access control, BCrypt encryption, XSS/CSRF protection, and comprehensive audit logging for regulatory compliance.

Enterprise Security JWT Architecture Compliance

Artificial Intelligence & Analytics

Developed sophisticated Google Gemma AI integration using Spring WebFlux reactive programming. Built intelligent knowledge base system with contextual AI responses, real-time streaming via Server-Sent Events, and advanced natural language processing for business insights.

AI Architecture Spring WebFlux NLP Integration

Business Intelligence & KPI Systems

Created comprehensive business analytics engine with advanced KPI calculations, predictive analytics, and multi-dimensional data analysis. Developed real-time performance monitoring for 100+ store locations with automated reporting and forecasting capabilities.

Business Intelligence Predictive Analytics Real-time Monitoring

Data Visualization & Export Systems

Co-developed advanced data visualization infrastructure with ApexCharts, Chart.js, and D3.js integration. Built comprehensive export systems with CSV generation, automated reporting pipelines, and role-based data access controls for secure information distribution.

Data Visualization Export Systems Automated Reporting

Quality Engineering & Testing

Established comprehensive testing framework with unit testing, integration testing, and end-to-end test automation. Implemented continuous integration pipelines with 95% test coverage, ensuring production stability with zero downtime deployments and 99.9% system reliability.

Quality Engineering Test Automation CI/CD Pipelines

In collaboration with lou1sa3

Backend Development

Contributed to the development of the backend infrastructure including routing, controller logic, and API design. Ensured modular structure and maintainability of the backend codebase through clean architecture practices.

Node.js REST API Modular Code

JWT Authentication & User Management

Implemented secure login and session handling using JWT tokens. Developed backend logic for user authentication, role handling, and protected API access.

JWT Authentication Security

KPI Calculation & Analytics Endpoints

Built endpoints to compute and deliver business-relevant KPIs (e.g. sales statistics, order volumes) to the frontend dashboard. Enabled structured insight delivery through dedicated data views.

KPI Data Aggregation Express

CSV Export & Data Interfaces

Designed and implemented CSV export functionality for key business data. Enabled structured data download for analysis and reporting purposes.

CSV Export Data Interfaces Reporting

Database Schema & Integration

Helped define and maintain the relational data model, ensuring efficient querying and logical data flow between services. Assisted in performance tuning and schema design.

PostgreSQL Schema Design Query Optimization

Backend System Architecture

Designed and developed the entire backend system with a strong focus on clean code structure, maintainability, and future scalability. Applied Clean Architecture principles and ensured each module had a single responsibility, enabling easier testing and feature extension.

Node.js REST API Modular Code

Role Management & User Logic

Implemented a robust backend logic layer for managing user roles and permission structures based on business requirements. Access to specific features and routes was dynamically controlled through middleware and role-based checks.

Role Management Access Control Node.js

KPI Calculation & Analytics Endpoints

Built dedicated API endpoints for calculating and serving real-time business KPIs such as revenue and order volume. Used efficient data aggregation techniques to ensure fast response times even under high data loads.

KPI Data Aggregation Express

CSV Export & Data Delivery

Developed functionality to export structured business data (e.g., sales, orders) as downloadable CSV files for reporting and offline analysis. Included configurable filters and formatting options to support various business use cases.

CSV Export Reporting Data Interfaces

Database Design & SQL Queries

Designed the relational database schema from scratch, aligning it with the application's domain logic and future growth needs. Wrote optimized raw SQL queries for performance-critical endpoints and ensured data integrity through consistent schema management.

PostgreSQL Schema Design Raw SQL Query Optimization

Backend System Architecture

Designed and implemented the backend system architecture, focusing on scalability, security, and maintainability. The system includes well-structured APIs, database integration, and user authentication to ensure reliable and efficient performance.

Backend Architecture Scalability Security

Login System & Session Handling

Implemented a secure login system with robust session management. User authentication and account handling are fully managed on the backend.

Login Session Management Node.js

Role & Permission Management

Developed a role-based access control system, enabling differentiated permissions for various user groups.

Role Management Access Control Backend Logic

Database Design & Integration

Created the relational database schema and fully integrated it into the backend. Focused on structured data modeling to ensure stability and performance.

PostgreSQL Schema Design Data Modeling

KPI Endpoints & Data Integration

Built API endpoints to compute and deliver key business KPIs for the dashboard. Ensured clean and structured data transfer to the frontend.

KPI Express API Data Aggregation