Senior Java Engineer (Core Infrastructure, Elasticsearch)

• 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: Flexible 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