Senior Infrastructure Engineer (Contract –Buenos Aires, Argentina)

6–10+ years of software engineering experience, with at least 3+ years in infrastructure or distributed systems roles. Strong programming experience in Rust (preferred), Go, or another systems language. Deep expertise in low-latency, high-throughput, or distributed systems (HFT, exchanges, runtimes, consensus systems, etc.). Hands-on experience with container orchestration systems such as Kubernetes and Docker. Experience building and maintaining observability systems, including metrics, tracing, and logging frameworks (e.g., Prometheus, Grafana, OpenTelemetry). Proficiency with Infrastructure-as-Code tools such as Terraform, Pulumi, or CloudFormation. Deep knowledge of at least one major cloud provider (AWS, GCP, or Azure), including networking, compute, security, and distributed workloads. Ability to design and operate secure, fault-tolerant, production-grade infrastructure. Excellent written and spoken Business English.

Architect and implement the distributed infrastructure powering Nexus’s L1 blockchain and high-performance DEX. Optimize consensus and transaction pipelines for speed, determinism, fairness, and low latency. Build secure, production-grade systems that meet the performance requirements of modern financial exchanges. Develop and maintain high-availability, fault-tolerant infrastructure across cloud and distributed environments. Offer best practices for reliability, observability, performance engineering, and secure operations.