Senior Java Engineer for Elasticsearch Inference API

Elastic; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Health coverage

Flexible location

Generous vacation days

Parental leave

Volunteer time

Job summary

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive the Inference API efforts. You will work across the plugin framework, REST API, and integration points with external providers, influencing architecture and quality across distributed teams.

You will design, implement, and test APIs, streaming, and billing integrations, collaborating closely with the Kibana team and inference specialists. A strong focus on reliable tests and scalable solutions is expected.

Qualifications

• 5+ years of production Java experience in a large codebase.
• Experience with concurrent or parallel programming and JVM internals is preferred.
• Proven ability to design and maintain APIs and integrations.
• Experience contributing to open source projects is a plus.

Responsibilities

• Develop and maintain the Elasticsearch Inference API plugin framework and REST API.
• Design protocols, streaming, async execution, and billing integration.
• Collaborate with the inference team and the Kibana team across functions.
• Build integrations with internal systems and external inference providers.
• Write thorough tests: unit tests (ESTestCase) and REST integration tests.

Skills

Java

Distributed systems

API design

Async programming

Testing

Tools

Gradle

Maven

Job description

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive the Inference API efforts. You will work across the plugin framework, REST API, and integration points with external providers, influencing architecture and quality across distributed teams.

You will design, implement, and test APIs, streaming, and billing integrations, collaborating closely with the Kibana team and inference specialists. A strong focus on reliable tests and scalable solutions is expected.