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AI assistant SaaSRobin Singh · Ingest docs into a vector index, answer through an orchestrator, retriever and LLM gateway with citations, and trace every step for evals.Template Use this template →
Ride-hailing platformRobin Singh · Driver GPS over WebSockets into a geo index, ETA-based matching, surge pricing, and Kafka-driven payments and notifications.Template Use this template →
E-commerce architectureRobin Singh · Full-stack e-commerce: Angular client, Auth0 login, FastAPI with security middleware, Redis caching, PostgreSQL and an MCP inventory service.Template Use this template →
Realtime chatRobin Singh · WebSocket gateway, pub/sub fan-out, message store and push for offline users.Template Use this template →
CI/CD pipelineRobin Singh · From git push to production: checks, artifact, staging and a manual gate.Template Use this template →
URL shortenerRobin Singh · Classic system design: writes, cached reads, ID generation and click analytics.Template Use this template →