TradeOrders – Order Matching Engine
featuredEvent-driven trade clearing engine using Kafka microservices.
▶ details
- Built a trade clearing engine using four microservices and Kafka topics for order ingestion.
- Scaled throughput to 18.8k requests/sec with p95 latency of 219ms, validated using k6 load tests.
- Used Kafka key partitioning for lock-free sequential order matching per order book.
Go Kafka PostgreSQL Redis Docker
QQL – Approximate Query Processing Shell
Interactive SQL shell focusing on data sampling.
▶ details
- Developed an interactive SQL shell focusing on data sampling techniques for faster query estimation.
- Achieved 10x speedup on large datasets by implementing statistical sampling with controlled error bounds.
Python PostgreSQL
Bluppi – Shared Music Playback
featuredDistributed music streaming backend with real-time synchronization.
▶ details
- Built a distributed music streaming backend in Go with PTP style clock synchronization.
- Developed a real-time presence gateway with gRPC handling 51k concurrent connections.
- Developed an ephemeral chat system utilizing Redis Pub/Sub for real-time messaging.
Go gRPC PostgreSQL Redis Solr Flutter
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.
Python FastAPI Redis
SubPaper – Reddit Wallpapers App
Flutter wallpaper app on the Play Store.
▶ details
- Published a Flutter wallpaper app on the Play Store with over 300 downloads and a 4.5 rating.
- Integrated Reddit APIs for dynamic content delivery and AdMob for monetization.
Flutter Go