Senior Java Infra Engineer — Elasticsearch Core & Platform

Elastic; United Kingdom; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Health coverage

Flexible locations

Generous vacation

Volunteer days

Parental leave

Job summary

Elastic in the United Kingdom is seeking a Senior Software Engineer to join the Elasticsearch team to build scalable, secure, and maintainable platform features.

You will design APIs, tackle concurrency and performance challenges, contribute to distributed systems, and collaborate across teams, mentors, and open source projects. You will be a strong individual contributor while leading cross-team projects and driving architectural decisions.

Qualifications

• Experience crafting APIs and the ability to reason through tradeoffs.
• Proficient in algorithms and data structures.
• 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 with low-level Java such as concurrency, parallelism, classloaders, etc.
• Hands-on experience with CI/CD systems and practices (Buildkite, Argo CD, GitOps etc).
• Experience leading large scale projects across engineering teams.
• 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 a proven track record of using AI to accelerate development, debug complex systems, and optimize code, while still owning the final outcomes.
• You possess the ability to collaborate across functions and teams and seamlessly transition between different projects, codebases, or teams based on business priorities
• You can work autonomously, drive decisions and results in a distributed team by leveraging asynchronous, direct, and transparent communication.

Responsibilities

• 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.

Skills

APIs design

Algorithms & DS

Java proficiency

Concurrency

CI/CD tooling

Leadership of large projects

Autonomous work style

AI-assisted development

Cross-team collaboration

Communication

Tools

Gradle

Maven

Go

Kubernetes

CI/CD tools (Buildkite, Argo CD)

Job description

Elastic in the United Kingdom is seeking a Senior Software Engineer to join the Elasticsearch team to build scalable, secure, and maintainable platform features.

You will design APIs, tackle concurrency and performance challenges, contribute to distributed systems, and collaborate across teams, mentors, and open source projects. You will be a strong individual contributor while leading cross-team projects and driving architectural decisions.