What we do?
Build and harden software close to the OS for measurable performance and reliability.
We use native APIs and platform internals when the usual stack is too slow, too opaque, or too limited. The result is predictable behavior, stronger observability, and stable production systems.
Low-level problems show up as incidents, latency spikes, crashes, and “it works on my machine” behavior. We remove the root causes.
- Unexplained latency from hidden overhead and scheduling effects
- Crashes and memory corruption with weak diagnostics and tooling
- Opaque systems with no deep observability at the OS boundary
- Integration limits when you need native OS capabilities
- CPU and I/O bottlenecks caused by inefficient paths
- Platform-specific bugs across Windows, Linux, macOS
- Embedded constraints with real-time requirements and tight resources
- Hard-to-reproduce issues without profiling and trace-level data
When correctness and performance are critical, low-level engineering makes systems predictable.
What You Get
- High-performance execution paths with low overhead
- Diagnostics and observability at kernel and OS boundaries
- Reliability hardening through fault isolation and graceful degradation
- Compatibility-first integration with real-world constraints
- Handover-ready deliverables with clear documentation
Stack and Coverage
Windows
- Native API (ntdll), system services
- ETW tracing, crash and dump tooling
- Perf analysis, debugging, reliability fixes
- Drivers and integration when required
Linux
- Syscalls, libc, ld.so behavior
- /proc, perf, ftrace, controlled eBPF usage
- ptrace tooling, sandboxing, diagnostics
- io_uring and high-throughput I/O paths
macOS
- XNU fundamentals, Mach concepts
- IOKit interfaces and diagnostics
- Performance profiling and stability work
- Native tooling and production hardening
Embedded
- DMA, RTOS primitives, custom HALs
- Real-time constraints and memory limits
- Deterministic execution and safety checks
- Device integration and protocol work
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.