HM

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.

Voxbee.ai
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, BullMQ
Romingo
Multilingual 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, AWS
SalonX & TheQube
Multi-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, Stripe
Xeurix
Enterprise 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, TypeScript
L'Artigiano
Gourmet 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, Stripe
Camperoni
Logistics 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, Redis
WhatsHush
Privacy 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 API
Logaura
NPM 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