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AI Summary
Take architectural and technical ownership of the core trading systems, including the matching engine and risk engine. Define consistency models and design reliable interaction patterns between the trading core and surrounding infrastructure.
We're looking for a Technical Lead (C#/.NET) to take architectural and technical ownership of the core trading systems behind EMCD's crypto exchange. This role sits at the center of the platform: matching engine, risk management, spot trading, and derivatives. It's a position for someone who understands that every microsecond, every edge case in order handling, and every liquidation scenario directly affects the product.
Responsibilities:
- Own the matching engine and order lifecycle: limit, market, stop, post-only, IOC, FOK, self-trade prevention, partial fills
- Develop and improve the risk engine for derivatives: cross/isolated margin, PnL and funding calculations, liquidation flows, ADL, insurance fund logic
- Define and evolve the consistency and persistence model of the trading core: event sourcing, trade journal, snapshots, replay, crash recovery without order loss
- Design reliable interaction patterns between the trading core and surrounding systems: gateways, custody, market data streams, clearing services
- Set and monitor latency and throughput targets, and build the tooling to measure them: benchmarks, load environments, profiling under production-like traffic
Requirements:
- 7+ years of commercial experience with C# / .NET, including at least 2–3 years as a Tech Lead or Architect
- Hands-on production experience with matching engine and at least one of the following: exchange gateway, risk engine, or market data feed
- Proven experience building low-latency, high-throughput systems
- Direct experience working on a centralized crypto exchange (CEX) with real order flow and real money
- Deep understanding of trading primitives: order types, margin trading, perpetual futures, funding rate, liquidations, ADL, maker/taker logic, fee tiers
- Strong knowledge of distributed systems: consistency, idempotency, exactly-once semantics, queues/streams (Kafka, NATS, or similar), replicated state, fault tolerance
- Experience writing and maintaining architecture documentation (ADR, design docs)
- Experience leading teams: hiring, 1:1s, incident review, development and release processes
Nice to have:
- Experience with DEX infrastructure or hybrid exchange models (CEX + on-chain settlement)
- Understanding of regulatory requirements relevant to exchanges: KYC/AML, market surveillance, best execution
What We Offer:
- Fully remote work from anywhere in the world
- Flexible working hours focused on results
- 28 calendar days of vacation + 12 additional bonus days
- Paid sick leave with no bureaucracy
- Compensation for courses, certifications, and training programs
- Real ownership of one of the most critical parts of the exchange infrastructure
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