Senior Systems / Rust Engineer
Blockrotate · Remote (US/EU timezones preferred)
About this role
**Senior Systems / Rust Engineer** **Location:** Remote (US/EU timezones preferred) **Type:** Full-time **Compensation:** $130k - $170k + Equity --- **About Blockrotate** Blockrotate builds low-latency copy-trading and execution infrastructure for Polymarket and prediction markets. Copy trading on prediction markets has unusual market microstructure—orderbooks are bounded, often thin, and subject to severe adverse selection. If followers lag by even a few hundred milliseconds (or if the platform taxes orders with fees), follower alpha can drop to zero. We took a different approach: isolated per-bot deposit wallets (non-custodial via EIP-1967/1271 proxies) and co-located autonomous Rust workers running delta-sync loops directly against the Polymarket CLOB. --- **Stack** - **Backend:** Rust, Tokio, Axum, Protobuf over WebSockets, SQLite (WAL mode) - **Trading Engine:** Custom Polymarket CLOB & Data API clients, EIP-712 signing, dynamic slippage ladders, momentum filters, circuit breakers - **Frontend:** Next.js 16, React 19, TypeScript, Tailwind CSS --- **What you’d actually work on** - Squeezing latency out of the execution hot path (delta position calculation, order placement, nonce handling, fill verification) - Building better execution protection (momentum filters to dodge toxic order flow, fill stabilization windows, handling thin book liquidity without moving the market against yourself) - Scaling worker orchestration (C2 server talks Protobuf to distributed bot workers with monotonic sequence IDs and autonomous reconnect failover; keep state reconciliation bulletproof as bot volume scales) - Investigating and exploiting prediction market quirks (rebates, orderbook snapshotting, MEV/relayer bottlenecks) --- **What we look for** - Strong async Rust experience (Tokio, concurrency, practical memory management) - Experience dealing with websockets, exchange orderbooks, or trading infrastructure --- **Apply** Email **jobs@blockrotate.com** and tell us why you’d be a good fit for Blockrotate.
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