Cases and portfolio of SDH Digital Solutions

Online vehicle trading system for licensed used car sellers and buyers.

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SPEEN is powering the used-car business and providing full service for selling and buying used cars through inspections, bidding process, payments proceeding, title paperworks and transportation.

Features

— Enhanced Business analytics
— Title and Payments processing
— Advanced search tools
— Last second shooters prevention
— 5 types of users
— Horizontal scalability
— Only 20ms delay (without ping from user and to user) from user bid to notify all subscribers about this bid
— Smart DDOS and bot blocker to prevent abnormal behavior.
— Hosting costs optimization - less than 1 cent per active bidder (Small server can handle 500 simultaneous bidders)

Technologies

— Angular.JS and Laravel Frameworks
— REST API for Mobile apps
— High Speed transport for bids through WebSockets
— VIN Decoder Solution
— Huge DB with Car makes/models/trims
— Image Preprocessor
— Multilingual support with i8n Сustom solution for bots blocking
— DDOS attack preventing

Isina is a worldwide music talent search that opens opportunities for artists in all corners of the world. Isina hacks the traditional way artists get discovered, giving you direct access to the big industry players and their connections – producers, labels, booking agents – who can help you reach your full potential and audience.

Features

— Demo Tracks Submition and payments
— Audion/Video Streaming
— Rataing and popularity caclulations
— Voting & Competitions
— User accounts
— Popularity prediction

Technologies

— React.JS and Node.JS Frameworks
— GraphQL API
— WebRTC for video streaming
— Hight Load ans Scalable Micro Services architecture
— Amazon AWS infrastructure
— Blockchain
— AutoScaling
— AI/ML
— SQL + NoSql databases

CatchStamps is a unique poststamps search engine.

TealHeal is the medical office of the future – where scheduling, data collection, reporting, billing, analytics and other parts of the electronic health record (EHR) system are cloud based. The latest information on standards of care and drugs and their interactions is embedded into the EHR system, which serves as a decision-making support tool.

Features

— Appointment Scheduling
— AI based appointment distribution
— HIPAA complain medical history records
— Ratings + feedbacks
— Payment integration
— Custom EHR&EMR integrations
— Secure Video Conferencing
— Medical Equipment data transfer

Technologies

— .Net C#, React.JS, DJango
— REST API
— WebRTC for video streaming
— Amazon AWS infrastructure
— HIPAA Compliance
— AI
— Encrypted MySQL

Features

— AI/ML for text/picture recognition
— Integrations w/ marketplaces
— Advanced search tools
— Subscription model

Technologies

— Laravel & Django Frameworks
— REST API for Mobile apps
— AI/ML
— 3M poststamp dataset
— Text and Picture recognition
— Multilingual support with i8n

It was developed to serve millions of philatelists in the world to find rare poststamps. This Patented technology contains scalable web services for high load, Neural Networks to recognize post stamps and AI to improve searches.

Implemented a AI-based solution for recognizing serial numbers of devices in photographs. Data was collected in the database and transferred to the client system with more than 100,000 photos. Definition accuracy is 91%.

Features

— Photos of different quality
— Integration with the client system
— The solution is located in the client infrastructure

Technologies

— Neural networks
— In-house development
— AI

NDA

Key Results

— Totally 16 microservices running in Kubernetes (EKS) cluster, with various resources and replicas depending on service importance with autoscaling.
— Automatic upscaling and downscaling based on active users with 20% extra resources to smooth out bursts.
— Hybrid data storage with 80% NoSql (DynamoDb) and 20 SQL (Postgres) to unlimited autoscaling depending on the traffic.
— Unlimited horizontal scaling with maximum 1 minute gap to extend any type and any amount of services.
— Hosting costs optimization - less than 1 cent per active online user (Only 500$ per month can handle 10 000 active online users).