Portfolio
A selection of notable projects demonstrating technical problem-solving, system architecture, and pragmatic engineering approaches. Each project reflects a commitment to building maintainable, performant solutions that solve real business needs.
S3-Integrated Backup System
Designed and implemented automated backup infrastructure integrating local systems with S3-compatible cloud storage. Includes intelligent retention policies, verification workflows, and automated monitoring.
Technical Highlights
- Bash-based automation with robust error handling and logging
- s3cmd integration for reliable cloud uploads with resume capabilities
- Automated verification and integrity checking
- Email alerting for backup failures and anomalies
Impact: Reduced manual backup overhead by 95%, improved disaster recovery confidence with verified off-site storage, and enabled automated compliance reporting.
API Testing Framework
Built comprehensive API testing framework for production REST endpoints, supporting automated regression testing, performance validation, and continuous integration workflows.
Technical Highlights
- Command-line driven with JSON-based test definitions
- Support for authentication, session management, and complex workflows
- Automated response validation and schema checking
- Integration with CI/CD pipelines for pre-deployment validation
Impact: Caught critical regression bugs before production deployment, reduced QA time by 60%, and provided confidence for rapid iteration on API changes.
Twilio Call Management Integration
Integrated Twilio APIs for automated call routing, recording, and management within ClientSmart platform. Handles high-volume call operations with reliability and detailed audit trails.
Technical Highlights
- RESTful integration with Twilio APIs for call control
- Webhook handlers for real-time call status updates
- Database-backed call logging and analytics
- Error recovery and retry logic for network failures
Impact: Automated call routing reduced manual intervention by 80%, improved customer experience with faster call handling, and provided detailed analytics for business intelligence.
Remote Development Workflow Tools
Created tooling to bridge SSH-accessible production servers with local editing environments. Enables safe, efficient development on remote systems while maintaining local editor preferences and workflows.
Technical Highlights
- rsync-based synchronization with intelligent change detection
- BBEdit integration for seamless remote file editing
- Automated deployment scripts with rollback capabilities
- Environment-aware configurations for sandbox/testing/production
Impact: Reduced deployment friction by 70%, enabled rapid iteration on production issues, and maintained consistency across development environments.
Database Query Optimization
Systematic analysis and optimization of MySQL/MariaDB queries across multiple production applications. Focused on identifying N+1 queries, missing indexes, and inefficient JOIN patterns.
Technical Highlights
- Query profiling using EXPLAIN and slow query logs
- Strategic index design for common access patterns
- Schema normalization and denormalization trade-offs
- Query rewriting for improved execution plans
Impact: Improved page load times by up to 85% on high-traffic pages, reduced database CPU usage by 40%, and enabled application scaling without hardware upgrades.
ClientSmart™ Mystery Shopping SaaS
Architected, implemented, and maintained a multi-tenant enterprise SaaS platform serving mystery shopping industry. Designed and built a flexible reporting system with 90+ customizable report types. Managing a large-scale codebase (750+ files) with structured planning and documentation.
- Has generated multiple millions in total revenue so far
- Single developer
- 757 PHP files managing a complex business domain
- 167 JS/CSS files for UI
- Supports real production clients with mystery shopping operations
- Multi-year codebase that's actively maintained
Technical Highlights
- Custom ORM/Persistence Framework
- Multi-Tenant SaaS Architecture
- Extensible Question Type System
- Batch Action Engine
- Custom Reporting System
- Custom Router/MVC Framework
Impact: Eliminated manual release note creation, improved communication with stakeholders, and created historical record for troubleshooting and compliance.