Senior/Middle Ruby SDE with Python and Go (EMEA)

We are looking for strong Senior / Middle Software Development Engineers for a coding-heavy automated dependency management project at a developer platform company. The tool monitors outdated or vulnerable packages and creates pull requests to update them across multiple package ecosystems. The exact scope between the open-source tool and the platform remains to be confirmed. Requirements: Strong hands-on coding and readiness to contribute from day one; practical coding ability matters more than years of experience; Ruby proficiency and ability to work with Go and Python; Confident everyday use of AI coding tools, including GitHub Copilot and agentic workflows; Git/GitHub workflows, including pull requests, code review and CI with GitHub Actions; Independent delivery, ownership of substantial work and good English for meetings, pull requests and issues. Responsibilities: Contribute hands-on development to automated dependency management tooling; Work across languages and package ecosystems to support dependency updates; Collaborate through pull requests, code review and CI workflows; Take ownership of development tasks and ramp up quickly. Nice to Have: Knowledge of package managers and ecosystems, including Bundler, npm/yarn, pip/Poetry, Go modules, Maven/Gradle, NuGet and Cargo; Experience with dependency management, semantic versioning and supply-chain security, including CVE/advisories; Docker; Open-source contributions, especially to relevant developer-platform or dependency-management repositories. Working Conditions: Overlap: until 11 AM / 12 PM PT (Eastern Europe timezone works); Target start: ASAP. A couple of engineers who can start in 3-4 weeks and ramp up quickly; the rest can come in a second wave. Locations: EMEA