Senior Software Engineer
Pubblicato il 06-10-2026 - Raven in Milano
Every decision a strategy makes ends its life as an order on an exchange, and every unit of risk we carry is only as known as our account state is fresh. You own our exchange integrations end to end. Every quote that leaves the building and every balance that comes back passes through the layer you own. A slow cancel is adverse selection with our name on it. A stale balance is risk we are carrying without knowing it.
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Responsibilities
Venue integrations.
New venues from documentation to production, whatever shape they arrive in. Centralized exchanges over REST, WebSocket, and FIX - signing on the hot path, session lifecycle, cancel-on-disconnect, and every quirk the documentation forgot. DeFi venues on the chains we run nodes for (Ethereum, Arbitrum, Polygon, Avalanche), where an order is a signed transaction and nonce management, gas strategy, revert protection, and confirmation semantics decide when a fill is actually a fill. Prediction markets,
where resolution and settlement are first-class events and positions track per outcome.
The quoting path.
Quote-to-wire and quote-to-ack latency, batch amends, connection warmth. Rate limits are a budget. You build the accounting so strategies spend it where it earns, and the headroom so mass-cancel always fires.
Order and account state.
State machines that survive lost acks, duplicate fills, and out-of-order updates, with idempotency built on APIs that offer none. Real-time balances and positions everywhere we hold risk - margin and collateral, on-chain balances and allowances, prediction-market positions per outcome - with drift against the venue caught in seconds, not at end of day.
Reliability.
Session failover, degraded-mode behavior, maintenance windows, and anomalies alerting into Sauron, our monitoring stack, before a trader notices.
Who You Are
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- You have built and operated low-latency systems