⚡Ad Tech · Real-Time Systems2024
Real-Time Bidding Engine
Sub-200ms programmatic ad auction engine processing millions of OpenRTB 2.x bid requests daily.
<200msResponse SLA
OpenRTB 2.xProtocol
Billions of eventsData Volume
GoRedisRedisSearchClickHouseAerospikeMaxMind GeoIP2Gin
🤖AI SaaS · Recruitment2023
Dexta — AI-Powered Recruiter Assessment Platform
311-endpoint NestJS platform with LangChain RAG advisor, Puppeteer proctoring, and Stripe billing.
311API Endpoints
Gemini 2.5 FlashAI Model
3 BullMQ QueuesQueue Workers
NestJSTypeScriptLangChainLangGraphGoogle GeminiChromaDBBullMQPuppeteerStripeMySQLTypeORMRedis
🎯Marketplace · FinTech2023
CareerPaths — Mentorship Marketplace
Dual-sided marketplace with Stripe Connect payouts, Twilio WebRTC video, and Google Calendar integration.
Stripe ConnectPayment Model
Twilio WebRTCVideo Stack
Web + iOS + AndroidPlatforms
Express.jsTypeScriptStripe ConnectTwilio VideoTwilio SMSGoogle Calendar APIGoogle OAuthFirebase FCMAWS S3MySQLSequelizeRedisReact Native
🚙Logistics · Real-Time Systems2022
Winchit — Vehicle Relocation App
Real-time vehicle dispatch and relocation platform with instant and scheduled bookings.
Express + MongoTech Stack
Stripe SetupIntentsPayments
Socket.io TrackingReal-Time
Express.jsMongoDBMongooseStripeFirebase FCMSocket.ioTwilioNode.js
📋Fleet Management · Microservices2023
Dispatcher — Fleet Management Extension
Fleet management extension service resolving cross-environment database synchronization.
NestJSFramework
Swagger APIDocumentation
AWS S3Storage
NestJSMongoDBSwagger APIAWS S3TypeScriptDocker
🔌Marketplace · IoT Integration2022
EVCShare — EV Charger P2P Sharing Marketplace
Peer-to-peer EV charger marketplace with geo-proximity discovery and social auth.
Express + MySQLFramework
Sequelize.jsORM Layer
Precision coordinatesGeo Search
Express.jsSequelize.jsMySQLPassport.jsGoogle Maps APIJSON Web Tokens
🖨️Hardware Integration · Cloud Services2022
PrintIT — Cloud Print Broker
On-the-go document printing via QR-scanned public printers and Google Drive PDF conversion.
Google Drive APIConverter
IPP PrintingProtocol
UUID EphemeralFile Privacy
NestJSMySQLGoogle Drive APIIPP ProtocolQR Code ScanTypeScript
🪙Community SaaS · Web3 Integration2023
Stargate — Subscription-Gated Crypto Community
Crypto trading community platform with courses and raw Google Calendar integration.
Stripe WebhooksSub Billing
Raw Axios APICalendar
TypeORMORM
NestJSTypeORMMySQLStripeGoogle Calendar APIJWT Auth