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Senior Devops/SRE Engineer

Posted 21 days ago

0D is a digital asset trading and investment company, combining high-frequency data systems and risk management expertise with deep on-chain experience to design capital-efficient markets and systematic, data-driven strategies. Our approach focuses on disciplined risk management and uncovering opportunities in DeFi through a robust, research-based framework. We are a lean remote team of seven with clear goals, high ownership, and an async-first culture, building solutions tailored to both institutional and crypto-native participants.

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The Role

This position is open to French speaker only.

You will own the reliability, scalability, and performance of the infrastructure powering our trading strategies. This includes Kubernetes operations, CI/CD systems, observability stack, and networking for high-frequency trading and DeFi strategies. Your work directly impacts latency, uptime, and developer velocity.

What You'll Do

  • Design and evolve our Kubernetes platform: operators, workload orchestration, efficient deployments (blue/green, canary).
  • Improve CI/CD pipelines: GitHub Actions, Cloud Build, automated tests, secure image delivery.
  • Build and maintain monitoring and incident response: OpenTelemetry, Prometheus/Alertmanager, Loki, Tempo, Thanos/Mimir.
  • Maintain network & ingress: NGINX Ingress, Kong Gateway (auth, rate-limit, plugins).
  • Manage infrastructure as code: Terraform/Ansible for GCP resources.
  • Drive FinOps: optimize cost of compute, storage, and networking.
  • Support development teams: debug performance issues, improve reliability, automate workflows.
  • Lead incident response & post-mortems: ensure systems are observable and resilient.

Stack & Infra You'll Touch

  • Platform: GCP + Kubernetes (ArgoCD, GitHub Actions, Cloud Build)
  • Networking: NGINX Ingress, Kong Gateway
  • Observability: OpenTelemetry, Grafana Alloy, Prometheus, Alertmanager, Loki, Tempo, Thanos, Mimir
  • Data & Messaging: Kafka (event streams, schema evolution)
  • Datastores: Postgres, GCS
  • Tooling: Terraform, Ansible, Python/Rust for automation

What We're Looking For

Experience

  • 5+ years running production infrastructure at scale.
  • Strong experience with Kubernetes (operators, controllers, upgrades).
  • Solid background in CI/CD, GitOps, infrastructure as code.
  • Proven record of building reliable, observable systems.

Technical Skills

  • Strong in at least one systems language (Golang or Rust preferred).
  • Cloud (GCP/AWS/Azure) networking and IAM.
  • Terraform / Ansible or similar for infra automation.
  • Monitoring and tracing (Prometheus, OpenTelemetry).
  • Incident management and on-call practices.

Nice to Have

  • Experience in low-latency trading or crypto infra.
  • Security hardening (network policies, secrets management, Vault/KMS).
  • Performance tuning of Kubernetes and containerized workloads.
  • Cost optimization (FinOps) at scale.

Why Join Us

  • Competitive comp with equity/token upside.
  • Ownership of the platform core to trading.
  • Remote (±4h CET), lean sharp team, offsites.

Mindset

  • End-to-end ownership. Bias to ship with reliability and high standards.
  • Calm under pressure, able to debug complex distributed systems.
  • Fast learner, curious about infra and trading systems.

Contract

  • Full-time, remote (±4h CET).
  • Languages: French

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