Senior Java Developer; Core​/Infra, Elasticsearch

• We are on the lookout for a Senior Software Developer to join our Elasticsearch team and focus on ensuring that the shared platform functionalities of Elasticsearch are easy to use, performant, maintainable, and secure
• The team's mission is to create foundational infrastructure and shared functionality that enables engineers to develop, extend, and support Elasticsearch
• The team owns common functionality such as services, settings, and scripting, and makes Elasticsearch extensible through plugins or the Painless scripting language
• The team also makes Elasticsearch observable by providing logging and telemetry information
• We also own the orchestration of Elasticsearch in serverless, the CI/CD workflows, and enable Elasticsearch developers to deliver Elasticsearch to customers - serverless, cloud, and on-premise alike
• 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

• 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 are passionate about.
• Amplify your impact:
  Double your charitable giving - we match donations up to $1500 USD (or local currency equivalent).

You will be a strong individual contributor on the team, but you will also contribute to and lead cross-team projects. We need someone who has great design skills, who can work at a low level of abstraction but can equally drive and communicate technical concepts across a variety of collaborators

Willingness to dive into new issues and ask for help when you need itYou can work autonomously, drive decisions and results in a distributed team by leveraging asynchronous, direct, and transparent communication

Experience with low-level Java such as concurrency, parallelism, class loaders, etcYou possess the ability to collaborate across functions and teams and seamlessly transition between different projects, codebases, or teams based on business priorities

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

Hands-on experience with CI/CD systems and practices (Buildkite, Argo CD, Git Ops etc)
You have a proven track record of using AI to accelerate development, debug complex systems, and optimize code, while still owning the final outcomes

Proficient in algorithms and data structures

Experience crafting APIs and the ability to reason through tradeoffs

Experience leading large scale projects across engineering teams

You are able to own projects from beginning to end. This covers both technical design and working with others to develop needed components

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 Go Knowledge of containers and Kubernetes Knowledge of Java build tools (Gradle, Maven, etc), with a strong preference for Gradle experience

Experience working in a platform team or developer productivity team.