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Nebius seeks a Senior ML Engineer for AI R&D focusing on applied research in reinforcement learning and agent training, requiring deep expertise in machine learning and software engineering.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

The Senior Backend Engineer will develop reliable cloud services, engage in teamwork, and address complex challenges primarily using Golang, Java, and Python.

The Senior Site Reliability Engineer will ensure fault-tolerance and uninterrupted operations, using innovative cloud technologies, alongside improving CI/CD processes.

Troubleshoot and resolve complex datacenter server firmware and hardware issues, manage RMAs with vendors, act as escalation SME for L1/L2, create processes and documentation, and improve monitoring, support and training materials.

The role involves leading the mk8s Core Team, managing technical projects, coaching engineers, and participating in hands-on coding and incident response.

Build and scale core observability services for high-volume telemetry ingestion, distributed storage, query engines, alerting pipelines, and AI-assisted troubleshooting. Work on reliability, performance, and production incident resolution across a cloud AI platform.

The Principal Solutions Architect will lead presales, design AI/ML infrastructures, mentor other architects, and drive customer adoption for Nebius AI cloud solutions.

The Founding Enterprise Customer Success Manager will establish Tavily's customer success function in EMEA, guiding enterprise clients from onboarding to renewal and expansion while collaborating with internal teams and advocating for customer needs.

Build and operate a managed PostgreSQL service for AI workloads: develop control plane and lifecycle automation in Go, tune PostgreSQL internals and ecosystem tooling, create migration tooling, integrate vector search, run SRE practices (SLOs, observability, incident response), and work directly with customers on architecture and escalations.