What we do?
Win microseconds. Control p99.9. Stay deterministic.
We design, audit, and rebuild high-performance trading infrastructure for teams competing at microsecond precision. Faster where it matters: the tail.
HFT systems fail because of jitter, queues, packet drops, recovery gaps, protocol edge cases, and observability blind spots. Tail latency decides winners.
- Tail latency p99.9 kills PnL even when p50 looks great
- Jitter from non-deterministic execution paths
- Packet loss during volatility spikes
- Microbursts overflow buffers and amplify latency
- Feed gaps, replay inconsistency, broken recovery
- Protocol complexity: ITCH, OUCH, FIX, native APIs, throttles
- Risk vs latency: safety checks adding unpredictable delay
- Missing visibility: no NIC to kernel to userspace breakdown
If you cannot measure it precisely, you cannot optimize it.
What You Get
- Deterministic execution with tight variance control
- Tick-to-trade pipeline optimized for p99.9, not averages
- Order routing with recovery logic, throttling, and failover
- Market data engines: feed handlers, parsers, order book builders
- Latency observability: heatmaps, tracing, reproducible benchmarking
Stack and Capabilities
Networking and Kernel Bypass
- DPDK, zero-copy RX/TX, lock-free rings
- XDP, AF_XDP fast paths
- RSS, flow steering, NIC tuning
- Microburst mitigation, queue discipline, buffer strategy
Time and Latency Measurement
- PTP synchronization and clock discipline
- Hardware NIC timestamping
- SO_TIMESTAMPING and end-to-end breakdown
- p50, p99, p99.9 tail analytics
Market Data and Protocols
- Feed handlers, normalizers, binary parsers
- Order book builders, gap recovery, replay
- ITCH, OUCH, FIX, native exchange APIs
- SBE and custom binary codecs
Execution Engines
- C++ and Rust, deterministic state machines
- NUMA-aware design, CPU affinity, memory pinning
- Cache line alignment, huge pages
- Inline ASM only where it pays off
Reliability Under Volatility
- Backpressure design, load shedding, stable recovery
- Kill switch, limits, pre-trade risk without chaos
- Deterministic failover, warm standby patterns
- Incident-grade diagnostics and test harnesses
Hardware Acceleration
- FPGA deterministic paths, ROI-driven
- Wire-to-decision optimization
- CPU plus FPGA co-design without over-engineering
- Targeted acceleration: parse, filter, risk, route
Why SToFU? What’s Next?
- 10+ years across systems, cloud, embedded engineering
- Experience in cybersecurity, automation, AI, and protocols
- Senior engineers, fast delivery, clear tradeoffs
- Direct communication, predictable scope, no waste
Share your concept and get a concrete proposal with scope, risks, and timeline. Built for decision-making, not theater.