Bluppi - Shared Music Playback
★ featuredDistributed music streaming backend with real-time synchronization.
▶details
- →Designed PTP-style clock synchronization with quorum-based buffering for consistent playback across devices.
- →Tracks online presence via a gRPC gateway: 51k concurrent connections with 0 errors and p99 15ms latency.
- →Live ephemeral chat via Redis Pub/Sub, social features via Memgraph, and a 500GB music catalog via Solr.
GogRPCPostgreSQLRedisSolrFlutter
TradeOrders - Order Matching Engine
★ featuredEvent-driven trade clearing engine using Kafka microservices.
▶details
- →Decoupled API from DB via Kafka, eliminating all I/O bottlenecks; scaled throughput to 18.8k req/s (0 errors).
- →Partitioned Kafka topics by instrument for lock-free, sequential matching, enabling concurrent process per symbol.
- →Grafana k6 load tested at 7,624 VUs: hit 18.2k req/s sustained throughput with a 231ms p95 latency.
GoKafkaPostgreSQLRedisDocker
ClosedBook - Zero-Hallucination MCP RAG Engine
★ featuredHigh-precision local RAG engine over Model Context Protocol (MCP) enforcing strict ground-truth document retrieval.
▶details
- →Engineered hybrid search combining dense semantic embeddings (BAAI/bge-small-en-v1.5) with sparse BM25Okapi lexical retrieval to maximize precision on technical text.
- →Enforced strict closed-book constraints, overriding model pre-trained assumptions with authoritative local document citations.
- →Implemented 100% local, private vector search using FAISS CPU with sub-millisecond query latencies.
- →Packaged as a standard Model Context Protocol (MCP) server for plug-and-play integration with Claude, Antigravity, and AI IDEs.
PythonMCPRAGFAISSBM25
Keryx - Local Multi-Agent Outreach Engine
Autonomous LinkedIn research and personalized cold-messaging pipeline powered by local LLMs and LangGraph.
▶details
- →Built an end-to-end multi-agent pipeline using LangGraph and Ollama to scrape profiles via stealth Playwright, extract unstructured career history, and match shared backgrounds.
- →Designed a closed-loop Copywriter-Reviewer reflection pattern that critiques drafts against anti-slop guidelines and rewrites with targeted feedback.
- →Maintained episodic memory and candidate history across outreach campaigns using ChromaDB vector search and SQLite.
- →Automated bi-directional lead ingestion and status tracking via Google Sheets API.
PythonLangGraphPlaywrightChromaDBOllama
WizFlow - Workflow Engine
Asynchronous workflow engine with a drag-and-drop UI.
▶details
- →Built an asynchronous workflow engine using React, FastAPI, and Redis task queuing.
- →Won 2nd Place at Nutanix Hackathon 2025 for system reliability and real-time execution logs.
PythonFastAPIRedis
Flowback - AI Revenue Recovery Platform
★ featuredAutonomous, event-driven pipeline that intercepts failed SaaS payments and deploys AI agents to recover revenue.
▶details
- →Queued payment webhooks via Go + Redis Asynq, scaling background workers with idempotent, effectively-once processing.
- →Orchestrated a multi-agent Google ADK graph with copywriter and Gemini TTS agents to drive multi-channel outreach (Email, WhatsApp, SMS, Voice).
- →Wrote a deterministic Go policy engine enforcing hard constraints (discount & contact-hour limits) to guarantee zero hallucination in financial flows.
- →Streamed agent state to a Human-in-the-Loop (HITL) React dashboard via Redis Pub/Sub and SSE, eliminating polling overhead.
GoReactRedisGoogle ADKSSEDocker
Tsuki - Pastel LinkedIn Banner Studio
Interactive in-browser design tool for creating neobrutalist, pastel LinkedIn banners with real-time canvas rendering.
▶details
- →Built an interactive HTML5 Canvas design tool in React (Vite) allowing real-time text editing, color palettes, and procedural background pattern generation.
- →Engineered instant high-resolution export in PNG and optimized WebP formats calibrated to LinkedIn header dimensions (1584x396).
- →Created a lightweight, zero-JS starry sky animation using pure CSS keyframes.
ReactTypeScriptHTML5 CanvasTailwind CSS
QQL - Approximate Query Processing Shell
Interactive SQL shell focusing on data sampling.
▶details
- →Designed a dynamic pilot query engine to estimate statistical sample sizes, supporting COUNT, SUM, AVG functions.
- →Benchmarked against exact PostgreSQL queries: achieved a 10x speedup at 5% error and 6x at 1% error bound.
- →Awarded Special Mention at the e6Data Hackathon 2024 for innovative approaches to database acceleration.
PythonPostgreSQL
SubPaper - Reddit Wallpapers App
Flutter wallpaper app on the Play Store.
▶details
- →Published Reddit wallpaper app to Play Store. 300+ downloads, 4.5/5 rating.
- →Implemented on-device caching for fast content delivery and integrated AdMob for monetization.
FlutterGo