Canada•England•France•Germany•Italy•United States•Spain•Portugal
Remote
Senior
Full Time
💰€ 83,900 - € 139,700
remoteseniorbackendsecuritykubernetesdockergohelmopen_source
Requirements
- •6+ years of backend engineering experience with production-grade systems
- •Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience
- •Strong familiarity with the container and Kubernetes ecosystem (cert-manager, kyverno, grafana, istio)
- •Comfort with YAML as a primary working medium
- •Understanding of container security basics (non-root users, UID/GID, image layers, multi-arch builds, supply chain concepts)
- •Some Go ability to read and write test code
- •Maintainer mindset with attention to consistency and downstream impact
- •Familiarity with GitHub-heavy open source workflows (PRs, upstream tracking, monorepo conventions)
What You'll Do
- •Authoring and maintaining image definition files that track upstream OSS project releases, define build steps, and keep the catalogue current across dozens of images
- •Adapting upstream Helm charts to work with Docker Hardened Images, handling security constraints, non-root contexts, and Kubernetes compatibility concerns
- •Tracking upstream version releases and semver patterns across monorepos and standard repos, handling major version breaks and dependency chains
- •Writing Go-based integration tests that validate images and charts behave correctly in real Kubernetes environments
- •Triaging CVEs and contributing to security hardening decisions across images
- •Reviewing peers' definitions and chart PRs against established conventions and catching subtle issues before they reach customers
Nice to Have
- •Experience as a package maintainer (Linux distribution, Homebrew, etc.)
- •Helm chart authorship or contribution experience
- •Familiarity with supply chain tooling (Sigstore, SBOM, SLSA)
- •Experience in a regulated or security-conscious environment
Benefits
- •Freedom & flexibility to fit work around life
- •Designated quarterly Whaleness Days plus end of year Whaleness break
- •Home office setup
- •16 weeks of paid Parental leave (after 6 months of employment)
- •Technology stipend equivalent to $100 USD net/month
- •PTO plan encouraging time off
- •Training stipend for conferences, courses and classes
- •Equity in the company
- •Docker Swag
- •Medical benefits, retirement and holidays vary by country
- •Remote-first culture with offices in Seattle and Paris
About Docker
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