Jobs at Raven

Own and optimize low-latency trading-platform infrastructure, including real-time observability, trade capture, shared services, messaging, databases, and internal APIs. Build a durable ledger covering centralized, on-chain, and prediction-market events; improve performance through profiling; maintain high availability; and participate in an on-call rotation for 24/7 systems.

Price and trade crypto prediction markets, digital options, and barriers; build market-making quotes, hedge with spot and perpetuals, model event probabilities, research historical data, backtest with realistic latency and fills, and manage correlated, tail, oracle, and settlement risk. The role requires derivatives expertise, microstructure judgment, applied probability, and strong backtesting discipline. It is office-based in Sofia or Milan with shared on-call coverage.

Build and operate probability-based sports event models for prediction markets, quote two-sided prices, manage inventory and risk, and reprice markets in response to news and live events. The role requires strong applied statistics, Bayesian modeling, calibration, data quality controls, and real-money forecasting experience. Work is conducted in-office in Sofia or Milan with participation in an on-call rotation supporting around-the-clock crypto trading systems.

Own exchange integrations end to end, including centralized, DeFi, and prediction-market connectivity. Build low-latency quoting, order and account-state systems, reconciliation, rate-limit accounting, failover, degraded-mode behavior, and monitoring. Develop reliable protocol integrations over REST, WebSocket, FIX, and blockchain transactions, ensuring correctness during lost acknowledgments, duplicate fills, reconnects, and venue anomalies.

Owns low-latency market-data infrastructure for crypto, futures, FX, DeFi, and prediction markets. Responsibilities include building feed handlers, sequencing and recovering data, reconstructing order books and blockchain state, optimizing latency, capturing and replaying full-depth data, and implementing data-quality checks. The role requires operating resilient systems around the clock in an on-call rotation.

Operate and improve a global, low-latency trading network across multi-cloud and private connectivity environments. Responsibilities include infrastructure-as-code changes, DNS and firewall administration, traffic failover automation, latency and reachability testing, packet capture, Linux and network tuning, bootstrap and monitoring scripts, blockchain-node tooling, and operational runbooks. The role is office-based in Sofia or Milan and includes a shared on-call rotation.

Develop and optimize algorithmic trading systems for on-chain markets and DeFi protocols. Responsibilities include designing execution strategies, researching opportunities across chains, building trading infrastructure, optimizing latency and capital efficiency, and monitoring live performance. The role requires programming, blockchain and smart contract knowledge, Linux experience, and strong analytical problem-solving skills. Nice-to-have experience includes Web3 tooling, smart contract interactions, on-chain trading, MEV, or protocol design.