Contributing to large, impactful projects that evolve the core infrastructure that underpins Elasticsearch Making Elasticsearch developers more productive by identifying and developing opportunities for automation, and integrating agentic apps into development workflows Designing and implementing new horizontally-scalable features and APIs in Elasticsearch Solving difficult issues, including performance or concurrency issues, and proposing solutions Improving operation and observability of Elasticsearch cloud systems Collaborating in the open with the ES team, Elastic users, and other supporting open source projects Supporting our support engineers with the harder problems Owning operational investigations end-to-end, until performance or stability issues are successfully resolved Benefits Toast to your health: Fully paid health coverage for you and your family, in many locations. Craft your calendar: Versátil location and schedule for most roles. Create space for you: Distributed by design workforce, plus generous number of vacation days each year. Embrace parenthood: Minimum of 16 weeks of parental leave, plus generous family formation benefits. Give back your time: 40 hours each year to use toward volunteering with organizations and causes you’re passionate about. Amplify your impact: Double your charitable giving - we match donations up to $1500 USD (or local currency equivalent). Experience with low-level Java such as concurrency, parallelism, classloaders,



etc You possess the ability to collaborate across functions and teams and seamlessly transition between different projects, codebases, or teams based on business priorities You have a proven track record of using AI to accelerate development, debug complex systems, and optimize code, while still owning the final outcomes Hands-on experience with CI/CD systems and practices (Buildkite, Argo CD, Git Ops etc) Experience leading large scale projects across engineering teams Proficient in algorithms and data structures Willingness to dive into new issues and ask for help when you need it You are able to own projects from beginning to end. This covers both technical design and working with others to develop needed components You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features Experience crafting APIs and the ability to reason through tradeoffs You can work autonomously, drive decisions and results in a distributed team by leveraging asynchronous, direct, and transparent communication Knowledge of Go Knowledge of JDK internals: modules, the Java memory model, garbage collection, database load, caching techniques, etc Experience with observability and telemetry solutions, particularly Open Telemetry Knowledge of containers and Kubernetes Experience working in a platform team or developer productivity team Knowledge of Java build tools (Gradle, Maven, etc), with a strong preference for Gradle experience #J-18808-Ljbffr

📌 Senior java engineer (core infrastructure, elasticsearch) (Madrid)
🏢 Elastic
📍 Madrid