Case Studies
Deep dives into real projects showing the challenges faced, solutions implemented, and measurable business outcomes achieved.
ClassCharts EdTech Platform
Scaling from startup to millions of users
The Challenge
Joined ClassCharts as the first developer hire after the CTO when the platform was serving thousands of UK schools. The challenge was to scale the system to handle millions of users while maintaining reliability and adding new features for teachers, students, and parents.
Key Technical Challenges
- Database performance bottlenecks with growing user base
- Real-time notifications for millions of users
- Complex permission system for schools, teachers, students, and parents
- Mobile app synchronization and offline capabilities
- GDPR compliance and data protection
Solutions Implemented
Database Optimization
- Implemented strategic indexing reducing query times by 80%
- Added read replicas for reporting and analytics
- Optimized complex joins and introduced materialized views
Scalable Architecture
- Migrated from single server to cloud infrastructure
- Implemented load balancing and auto-scaling
- Added Redis caching layer reducing load by 60%
Real-time Features
- Built WebSocket system for instant notifications
- Implemented message queuing for reliable delivery
- Added push notifications for mobile apps
Quality Assurance
- Introduced comprehensive test suite (unit, integration, E2E)
- Set up CI/CD pipeline reducing deployment time by 90%
- Implemented monitoring and alerting systems
Business Impact
Performance Improvements
- Page load times reduced from 5s to under 1s
- System downtime reduced from hours to minutes per month
- Database query performance improved by 80%
- Mobile app crash rate reduced to under 0.1%
Business Growth
- Platform scaled to serve millions of users
- Enabled expansion to international markets
- Supported 10x increase in concurrent users
- Reduced infrastructure costs per user by 40%
Technologies Used
Government IoT Smart City Platform
Nationwide infrastructure for connected devices
Project Overview
Designed and implemented the backend architecture for a Middle Eastern government's nationwide smart city initiative. The system needed to securely process and analyze data from thousands of connected devices across multiple urban areas while meeting strict government compliance requirements.
Architecture Highlights
- Microservices architecture with Kubernetes orchestration
- Event-driven design using Apache Kafka
- Time-series data storage with Cassandra
- Real-time analytics and alerting system
- Multi-region deployment for high availability
Security & Compliance
- End-to-end encryption for all data transmission
- Role-based access control with audit logging
- Government-grade security protocols
- GDPR and local privacy law compliance
- Penetration testing and security audits
Technical Stack
MarketAlerts
AI-powered market intelligence and trade ideas
The Challenge
Build a comprehensive AI-powered financial platform that monitors global markets 24/7 and provides intelligent alerts for various market events. The system needed to process real-time market data, analyze patterns using AI, and deliver personalized notifications to traders and investors across 20+ international markets.
AI-Powered Features
- Earnings call and report summarization
- Technical chart pattern recognition
- Insider transaction monitoring
- Analyst rating change detection
- M&A and product announcement tracking
- Financial guidance change alerts
Technical Architecture
- Real-time data ingestion from multiple sources
- AI-powered content analysis and classification
- Scalable notification system
- Multi-market data normalization
- Advanced watchlist management
- Mobile-responsive dashboard
Key Achievements
Platform Capabilities
- 24/7 monitoring of global financial markets
- AI-driven pattern recognition and alerts
- Support for 20+ international stock exchanges
- Real-time price and volume analysis
- Intelligent notification prioritization
User Experience
- Intuitive watchlist creation and management
- Customizable alert preferences
- Mobile-optimized interface
- Interactive market data visualization
- Product Hunt featured launch
Technology Stack
AI-Powered News Aggregation Platform
Processing thousands of articles daily with AI classification
AI Integration Features
Content Processing
- Automated article summarization using OpenAI GPT
- Content classification and tagging
- Duplicate detection and deduplication
- Sentiment analysis and trend detection
Search & Discovery
- Vector search using embeddings
- Semantic similarity matching
- Personalized content recommendations
- Real-time search with sub-second response
AI & Data Stack
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