Portfolio Index
Systems & Architecture Gallery
A comprehensive catalog of enterprise integrations, AI engines, and backend frameworks built with performance-first engineering. Click any card to inspect its full case study.
AI Voice & Translation SaaS
Voxbee.ai
Challenge: High-volume media upload compute overhead and audio-video sync latency. Solution: Designed secure direct-to-S3 NestJS uploads via presigned URLs and dynamic time-warping speech alignments. Outcome: Reduced content localization cycles by 85%.
Architecture Specs:
- Secure direct S3 uploads via NestJS presigned URLs
- Managed containerized AI GPU worker nodes via BullMQ
- Integrated voice cloning & speech synthesis pipelines
Tech Stack:
NestJS, React, Python, AWS (EC2, S3), Docker, PostgreSQL, BullMQMultilingual SaaS Platform
Romingo
Challenge: Ingesting localized content schemas and tracking user progress across multilingual environments. Solution: Designed localized content ingestion and user progression tracking database architectures. Outcome: Reduced page loads by 40%.
Architecture Specs:
- Localized content ingestion systems
- Scalable user progression tracking architecture
- Responsive Next.js & React dashboards
Tech Stack:
React, Next.js, Node.js, MongoDB, AWSMulti-Tenant SaaS Engine
SalonX & TheQube
Challenge: Concurrency database locks on shared schedules and tenant isolation. Solution: Implemented white-label SaaS architectures using PostgreSQL Row-Level Security (RLS) and advisory locks. Outcome: Achieved zero double-booking concurrency conflicts.
Architecture Specs:
- White-label multi-tenant SaaS architecture
- Row-Level Security (RLS) database isolation
- PostgreSQL advisory locks to prevent double-bookings
Tech Stack:
React, NestJS, PostgreSQL, Node.js, StripeEnterprise Recruitment SaaS
Xeurix
Challenge: Semantic search latency over 100k+ candidate records and code governance. Solution: Engineered windowed frontend rendering and optimized PostgreSQL query indexes. Outcome: Reduced search latency by 70%.
Architecture Specs:
- Windowed data rendering on React
- Optimized PostgreSQL queries & indexes
- Established code review & branch protection rules
Tech Stack:
React.js, Node.js, PostgreSQL, TypeScriptGourmet Food Delivery
L'Artigiano
Challenge: Slow checkout performance (over 3s) & cart loss. Solution: Built optimized Next.js checkout cache. Outcome: Dropped load time to <800ms and reduced cart abandonment by 30%.
Architecture Specs:
- Dynamic client checkout caching
- Menu grids optimized for layout loads
- Secured payment gateways
Tech Stack:
React, Next.js, Node.js, Express, StripeLogistics Dispatch Portal
Camperoni
Challenge: Live tracking latency & unoptimized dispatch logs. Solution: Developed FastAPI + Redis transit cache and Mapbox integration. Outcome: Halved transit delivery tracking lag.
Architecture Specs:
- Live vehicle geolocation mapping
- Automated routing optimization
- High-concurrency updates
Tech Stack:
React, FastAPI, Python, PostgreSQL, RedisPrivacy Chrome Extension
WhatsHush
Challenge: Screen-peeping / shoulder-surfing in public spaces. Solution: Engineered a canvas privacy blur Chrome extension overlay. Outcome: Secured active screen visual states with 100% blur protection.
Architecture Specs:
- Canvas element-blurring filters
- Chrome Extension runtime triggers
- Instant toggle keyboard hotkeys
Tech Stack:
JavaScript, HTML, CSS, Chrome Extension APINPM Logging Library
Logaura
Challenge: Logging engine overhead & poor CLI display tags. Solution: Built custom color filters & high-frequency file writers. Outcome: Enhanced log processing efficiency with zero runtime lag.
Architecture Specs:
- Pre-configured color themes
- High-performance file rotators
- Minimal runtime execution overhead
Tech Stack:
Node.js, TypeScript, NPM package