Senior Backend Engineer; Rust

Metal Bear is building the next generation of developer tools for cloud engineers
. Our flagship product,
mirrord
, lets developers run local processes as if they were running directly inside their cloud environment — without the friction of deployment or risk of breaking shared environments. mirrord’s open-source core is already trusted by thousands of developers worldwide
, and our paid product is generating meaningful revenue — including from Fortune 500 companies
. We’re scaling quickly and looking for an experienced Rust engineer to help us push mirrord to the next level. This is a rare chance to work on deep systems engineering challenges while building an open-source product that developers love.

• Contribute to high-performance Rust code that powers real-time mirroring between local development and remote Kubernetes environments.
• Improve the developer experience — making cloud development as seamless and fast as working locally.
• Collaborate closely with our small, world-class engineering team on architecture, performance optimization, and new feature design.
• Engage with our open-source community — gather feedback, debug issues, and contribute to a product developers love.

• 5+ years of professional software development experience.
• 2+ years writing production-grade Rust.
• Strong systems-level thinking and an ability to debug complex, distributed environments.
• Comfort working async in a remote-first startup environment with high autonomy.
• Familiarity with cloud-native environments (Docker, containers, Kubernetes) beyond the basics.

• Experience building developer tools for or extending Kubernetes.
• Experience building Kubernetes operators or other components that interact with the Kubernetes API.
• Familiarity with backend infrastructure tooling like data stores, message brokers, Git Ops tools, etc.
• Open-source experience — contributing to or maintaining developer-facing OSS projects.

• Work on hard, meaningful problems at the intersection of local development and cloud infrastructure.
• Be part of a small, high-caliber team where your work directly impacts thousands of developers and some of the world’s biggest companies.
• Remote-first and async-friendly — high trust, low meetings, and flexibility to do your best work.
• Competitive salary, meaningful stock options, and a culture that values focus and autonomy.
• Build tools developers love — OSS-first, fast-growing, and already revenue-generating.

Location:

London, England, United Kingdom

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