0xJosee_

Writing

Notes from production — DeFi, bots, and the engineering in between.

Waking a Minecraft Server on JoinA sleeping game server has to come back before the player gives up waiting. How TrueTick routes on the handshake, refuses to wake on a server-list ping, and holds the joiner inside a temporary world while the real one boots.9 min · developmentsolana-tx-kit: Production-Grade Transaction Infrastructure for SolanaWhy I built an open-source Solana transaction library with retry logic, RPC pooling, priority fees, and Jito bundles — and the architecture decisions behind it.12 min · developmentTaming Wormhole: Async Generators for Cross-Chain Bridge TransactionsHow I integrated Wormhole bridge transactions that yield an unknown number of sequential steps via async generators. Covers the three-phase bridge lifecycle, calldata regeneration, and dual-lock coordination.7 min · developmentVolatility-Based LP Ranges: Fisher Transform for Concentrated LiquidityHow I use Fisher Transform-derived volatility cones to set optimal LP ranges on Orca Whirlpools, with process-isolated Drift hedging and session-based analytics for measuring what actually works.7 min · defi & solanaWhen NOT to Rebalance: Regime Detection and EV-Based LP DecisionsHow market regime detection, expected value calculations, and delta-based hedging transformed a simple DLMM rebalancer into a bot that knows when to sit still. Covers ATR, ADX, EMA indicators, the math behind profitable patience, and LP delta hedging on Drift.10 min · trading botsThis Site's Tech Stack: Next.js 15, MDX, and Full-Stack TypeScriptA deep dive into the technical decisions behind this portfolio site. From the content pipeline to the API layer, every choice was made with developer experience in mind.3 min · developmentBuilding Trading Bots in TypeScript: Lessons from ProductionHard-won lessons from building and running automated trading bots on Solana. Covers architecture patterns, error handling, and the operational concerns nobody talks about.4 min · trading botsGetting Started with Solana DeFi: A Developer's PerspectivePractical lessons from building DeFi bots on Solana. Covers the account model, transaction patterns, real-time monitoring via WebSocket, and production pitfalls that documentation does not warn you about.5 min · defi & solana