Senior Infrastructure Software Engineer

4 days ago


San Francisco, California, United States Nexus Full time

About NexusNexus is building the foundation for verifiable finance, an economic system where every transaction, order, and settlement can be proven on-chain with cryptographic assurance. To do this we're developing a DEX Layer 1 blockchain purpose-built for the AI economy, powered by idle compute from millions of people around the world, and verified with zero-knowledge proofs. This is finance rebuilt for the future: verifiable, scalable, and open to all.Nexus has raised $25M in Series A funding from Lightspeed, Pantera, Dragonfly, SV Angel, and more.Role OverviewWe are headquartered in San Francisco, and this role will be an in-person, hybrid role with the rest of the Nexus team.Nexus is seeking a Senior Infrastructure Software Engineer — with the potential to grow into a Tech Lead — to design and scale the core infrastructure powering our Layer 1 blockchain and its first core application: a high-performance DEX enshrined in the L1 protocol.This role requires deep expertise in low-latency distributed systems and the ability to deliver secure, production-grade infrastructure for financial applications. You'll work closely with Product, Research, and Security to build a system that meets the performance, reliability, and fairness requirements of modern trading systems — in a decentralized context.ResponsibilitiesArchitect and implement low-latency, high-throughput financial infrastructure for Nexus's Layer 1 and DEX.Own major roadmap milestones: public testnet → mainnet → institutional-grade performance.Optimize consensus and transaction pipelines for speed, determinism, and security.Collaborate with cryptography and protocol teams to integrate cutting-edge zero-knowledge proofs into production systems.Mentor mid-level engineers and establish engineering best practices for reliability, security, and observability.Ensure high availability and fault tolerance for mission-critical financial systems.What Success Looks LikeMainnet launch with enterprise-grade reliability and sub-second transaction finality.DEX achieves low-latency trade execution comparable to centralized systems while maintaining decentralization.Engineering systems and tooling enable



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