Selected work

Complex products, built around real operations.

Selected projects from the original SDH portfolio, refreshed with clearer descriptions while preserving the underlying project facts and original visual assets.

SPEEN automotive auction system
Automotive / High-load

SPEEN

SPEEN powered a used-car business workflow from inspection and bidding through payment, title processing and transportation. The platform was designed for real-time auction activity and high concurrency.

Key capabilities
  • Real-time bidding with very low bid-distribution latency
  • Business analytics, title and payment processing
  • Advanced search and vehicle data integrations
  • Anti-bot / abnormal-behavior controls
  • Horizontal scaling and hosting-cost optimization
Technology
WebSocketsREST APILaravelAngularVIN Data
ISINA
Media / Entertainment

ISINA

A worldwide music talent platform designed to connect artists with audiences and music-industry professionals. SDH work covered core product engineering, scalable infrastructure and media-heavy user experiences.

Key capabilities
  • Track submissions and payments
  • Audio/video streaming and user accounts
  • Voting, competitions and popularity calculations
  • Scalable services for large traffic spikes
  • AI/ML initiatives for platform intelligence
Technology
ReactNode.jsGraphQLWebRTCAWSAI/ML
TealHeal
Healthcare

TealHeal

A cloud-based healthcare platform bringing scheduling, data collection, reporting, billing, analytics and EHR-connected workflows into a unified product experience.

Key capabilities
  • Appointment scheduling and intelligent distribution
  • Medical-history workflows
  • Payments and custom EHR/EMR integrations
  • Secure video conferencing
  • Medical equipment data transfer
Technology
.NET / C#ReactDjangoWebRTCAWS
CatchStamps
AI / Computer Vision

CatchStamps

A specialized search product for philatelists using a large stamp dataset and image/text recognition to help users identify and discover rare stamps.

Key capabilities
  • AI/ML for image and text recognition
  • Marketplace integrations
  • Advanced search
  • Subscription model
  • Multi-million-item stamp dataset
Technology
PythonDjangoLaravelAI/MLComputer Vision
Start a conversation

Have a system that needs to work better?

Tell us what you are building, replacing or trying to automate. We can help shape the architecture, estimate the work and identify the fastest path to production.