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: Adaptable 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, GitOps 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 OpenTelemetry

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

📌 Senior Java Engineer (Core Infrastructure, Elasticsearch) (Madrid)
🏢 Elastic
📍 Madrid