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DevOps offer - Bazel & Nix expert

Stockly

Paris · On-site Contract 1w ago

About the role

🔥 Why Stockly needs you

Stockly is not a typical SaaS product. We run a highly technical, backend product where: • Reliability is non-negotiable • Build and deployment correctness directly impact production • Scale, determinism, and reproducibility matter every day

As our DevOps Engineer, you will work at the foundation of everything we ship: • Developer environments and tooling • Infrastructure reliability and operability • The bridge between engineering velocity and production safety

🛠️ What you’ll do

⚙️ Tech stack:Bazel ·Nix ·Rust ·AWS ·Docker

Experience with Bazel is ideal. If not, strong experience with Nix +Rust and an appetite for build systems is a great alternative. 🎯 Your mission

As a DevOps Engineer, your mission is to: • Make our CI builds fast, deterministic, and reliable • Ensure developer environments are reproducible and easy to onboard • Build infrastructure and tooling that scales with the company • Raise the overall engineering bar by improving reliability and operability

You’ll work close to production, close to engineers, and close to real constraints. 💪 Your responsibilities • Design, maintain, and evolve our build & CI systems, including: • Bazel-based builds and tests, including: • Build caching (we have ~1k services & 2M lignes of code) • Artifact management • Fast and reliable CI/CD pipelines • Complex AWS integration & architecturing • Own developer environments and tooling, ensuring: • Reproducibility across machines and environments • Fast onboarding for new engineers • Efficient toolings for engineers • Continuously improve reliability, observability, and operability, contributing to: • Incident analysis • Technical standards • Long-term platform and infra roadmap

🤝 Who you’ll work with • A strong engineering team who cares deeply about technical excellence • Backend engineers building complex distributed systems in Rust • A team that values ownership, pragmatism, and impact over titles

🌟 Why this role is exciting • You’ll work on hard, foundational problems most companies postpone • Your work directly impacts: • Developer velocity • Production reliability • The company’s ability to scale • You’ll help build a product where: • Builds are predictable • Environments are reproducible • Engineers can focus on product, not tooling pain

If you enjoy building strong technical foundations that others rely on every day, this role is for you. 📈 Your growth at Stockly • You can grow by: • Becoming a key owner of our platform and infra architecture • Deepening expertise in build systems, tooling, and reliability • Expanding your scope as the company scales • You’ll stay hands-on, even as responsibilities grow

👉 At Stockly, ownership drives growth.

Requirements

  • Experience with Bazel (ideal)
  • Alternative: Strong experience with Nix and Rust combined with an appetite for build systems

Responsibilities

  • Design, maintain, and evolve build & CI systems, including Bazel-based builds and tests
  • Manage build caching for ~1k services and 2M lines of code
  • Handle artifact management and fast, reliable CI/CD pipelines
  • Manage complex AWS integration and architecturing
  • Own developer environments and tooling to ensure reproducibility and fast onboarding
  • Improve reliability, observability, and operability through incident analysis and technical standards
  • Contribute to the long-term platform and infra roadmap

Skills

BazelNixRustAWSDockerCI/CDInfrastructure as CodeBuild Systems

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