Jobs at Nexus (nexus.xyz)

Build and optimize performance-critical execution systems for a Layer 1 blockchain and decentralized exchange. Responsibilities include developing low-latency order execution, event propagation, and state-update pipelines; optimizing concurrency, scheduling, memory, and I/O; ensuring determinism, correctness, resilience, and consensus compatibility; profiling bottlenecks; and shaping execution architecture. Senior and principal contributors will lead system design, mentor engineers, and establish high-assurance distributed execution standards.

Support deployment and maintenance of distributed infrastructure for a Layer-1 blockchain and exchange. Optimize transaction pipelines for speed and reliability, build secure production-grade systems, maintain high-availability across cloud/distributed environments, and apply observability and IaC best practices while collaborating with product and protocol teams.

Build and maintain backend services and infrastructure for a Layer 1 blockchain and native DEX. Develop APIs, data pipelines, RPC endpoints, explorers, and dev tools using Node.js, Rust, and other backend technologies. Write production-grade, well-tested code, collaborate with cross-functional teams, and contribute to architecture and technical decisions.

The Tech Lead Engineer will define technical architecture, write production code, guide engineering pods, and mentor team members while ensuring high-quality delivery across diverse tech stacks.