Senior Java Infra Engineer - Core Platform & APIs

Elastic; Ireland; Remote; EUR 87,000 - 138,000; Full time

Benefits offered by this job

Health coverage

Flexible locations

Generous vacation days

Parental leave

Volunteer hours

Job summary

Elastic is seeking a Senior Software Engineer to join the Elasticsearch team and ensure shared platform functionalities are easy to use, performant, maintainable, and secure. You will contribute to core infrastructure for Elasticsearch, focusing on services, settings, and scripting, and help Elasticsearch be extensible via plugins or Painless.

You will lead cross‑team projects, design scalable APIs, and improve observability and automation across serverless, cloud, and on‑premise deployments.

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.
• Hands‑on experience with CI/CD systems and practices.

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.
• 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 & data structures

Core Java

Concurrency & parallelism

CI/CD systems

Leadership of large projects

Autonomy & ownership

AI-assisted development

Tools

Buildkite

Argo CD

GitOps

OpenTelemetry

Kubernetes

Gradle/Maven

Job description

Elastic is seeking a Senior Software Engineer to join the Elasticsearch team and ensure shared platform functionalities are easy to use, performant, maintainable, and secure. You will contribute to core infrastructure for Elasticsearch, focusing on services, settings, and scripting, and help Elasticsearch be extensible via plugins or Painless.

You will lead cross‑team projects, design scalable APIs, and improve observability and automation across serverless, cloud, and on‑premise deployments.