some stuff i've made:

filtered by the kind of work behind each project, from systems-heavy builds to backend, cloud, and devops work.

allsystemsbackendclouddevopsblockchaindatabasenetworkingsecuritydevtools
systemsbackendblockchaindatabase

Shadow-Index

github
highlight71k+ tx/sec throughput

An ultra-low-latency Ethereum indexer running in-process as a Reth Execution Extension. Streams EVM data directly to ClickHouse with native chain reorg handling.

systemsbackendblockchain

arbx

github
highlight17ns AMM calculation, 467us full market scan

Autonomous flash-loan arbitrage engine on Arbitrum. Detects DEX price discrepancies via the sequencer feed, simulates profitability with revm, and executes atomically via Balancer V2. Zero capital at risk.

systemsbackendblockchain

Mempool-Sniper

github
highlight<500ms Detection Latency

A high-performance, event-driven Ethereum mempool monitor. Uses a custom parallel worker pool to overcome RPC latency limits.

systemsbackenddatabase

rusty-redis

github
highlight~1.4M+ ops/sec (Benchmarked)

A multithreaded, in-memory kv store implementing the RESP protocol. Leveraging Tokio and DashMap for fine-grained locking to handle high-concurrency workloads.

systemsdatabasebackend

Aether

github
highlightZero-downtime snapshots via VACUUM INTO

A distributed SQL database providing Strong Consistency (CP) via Raft consensus. Decouples storage (SQLite WAL) from interface (Postgres Wire Protocol).

systemsbackendclouddevops

Distributed Task Scheduler

github
highlightLeader-elected multi-node scheduling

A distributed cron-like scheduler in Go with Redis-backed leader election, consistent hashing for task placement, and Prometheus instrumentation across worker nodes.

backendclouddevops

Webhook Delivery Service

github
highlightPer-subscriber retries with HMAC signing

An async-first webhook delivery platform built with FastAPI, Celery, Redis, and Postgres. Fans out events to subscribers with signed payloads, retries, and per-delivery visibility.

backendclouddevops

Job Queue & Worker System

github
highlightPriority lanes + DLQ + live dashboard

A production-grade BullMQ worker system with priority queues, scheduled jobs, exponential backoff retries, dead-letter queues, and a real-time operations dashboard.

backendclouddevops

Rate Limiter as a Service

github
highlightAtomic Lua rate limiting in Redis

A Redis-backed rate limiting service exposing configurable rules per API key, with atomic Lua-based token bucket and sliding window algorithms plus Prometheus metrics.