Role OverviewWe're hiring a Senior Systems Engineer to work at the core of Nexus's execution stack, contributing to the runtime behind our Layer 1 protocol and the high-performance engine that powers decentralized trading. This is a performance-critical systems role where microseconds matter, building execution paths that may evolve into core protocol primitives.
What You Will Do
Design and implement high-performance components in Rust, C++, or Go for Nexus's DEX engine and protocol runtime. Build low-latency pipelines for order execution, event propagation, and state updates. Optimize concurrency, scheduling, memory layout, and I/O paths for determinism and throughput.
Why It Might Be a Fit
You'll collaborate closely with protocol, cryptography, and product teams in San Francisco while contributing remotely from Argentina. You'll have the opportunity to build software that runs at the heart of a global execution layer and shape primitives designed to last — correct, performant, and potentially enshrined at the protocol level.
Requirements
- Strong experience with Rust, C++, Go, or other systems programming languages.
- Understanding of high-performance or distributed systems (e.g., low-latency engines, runtimes, databases, OS-level concurrency).
- Ability to think in terms of execution flows, concurrency models, resource lifecycles, and system invariants.
- Practical experience profiling CPU, memory, and synchronization overhead.
- Comfort working close to runtime constraints where performance, determinism, and resilience are critical.
- Excellent communication skills in Business English (spoken and written).
Benefits
- 12-month contract with potential for extension
- Opportunity to build software that runs at the heart of a global execution layer
- Chance to shape primitives designed to last — correct, performant, and potentially enshrined at the protocol level
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