OverviewIn this role you will help strengthen Elasticsearch's core platform, making it easier to use, faster, maintainable, and secure.

You'll work on foundational infrastructure, shared services, and observability to empower developers and users.

You'll design scalable APIs and tackle performance and concurrency challenges, contributing to serverless orchestration and CI/CD workflows.

This is a hands-on, impactful role with cross-team collaboration and a focus on meaningful open-source and cloud/on-premise outcomes.

You will drive technical decisions that shape the platform's future.

Compensaciones / Beneficioscompetitive salary health coverage for you and family versátil locations and schedules generous vacation days donation matching up to $****

volunteer hours (up to 40 per year)`,`parential leave (16+ weeks)

ResponsabilidadesContribute to large, impactful projects that evolve core Elasticsearch infrastructure

Identify and implement automation to improve developer productivity

Design and implement new horizontally-scalable features and APIs

Address performance and concurrency issues and propose solutions





Improve operation and observability of Elasticsearch cloud systems

Collaborate openly with the ES team, Elastic users, and open source projects

Support engineers with difficult problems

Own end-to-end operational investigations until issues are resolved

Requisitos principalesExperience crafting APIs and ability to reason through tradeoffs

Proficiency in core Java and data structures/concurrency

Experience with low-level Java (concurrency, parallelism, classloaders)

Knowledge of JDK internals (modules, memory model, GC, caching)

Experience leading large-scale projects across engineering teams

Willingness to own projects from start to finish and collaborate across teams

Track record of using AI to accelerate development and optimize code

Ability to work autonomously and drive decisions in a distributed team strong design skills clear communication across collaborators autonomy and proactive problem solving

Java (core, concurrency, newer features)

API design algorithms and data structures

📌 Senior Java Engineer - Core/Infra - Elasticsearch - Elastic (Valladolid)
🏢 Elastic
📍 Valladolid