Design, implement and maintain Java components in Vespa, particularly the jdisc container and its runtime.
Improve performance, resource efficiency and robustness of the container layer, including JVM tuning and profiling.
Develop and evolve the public APIs, configuration model and component framework used by Vespa applications.
Collaborate with the C++ engine team and Vespa Cloud on cross-stack features.
Review code, write tests and documentation, and engage with the open source community.

Key requirements

Design, implement and maintain Java components in Vespa, particularly the jdisc container and its runtime.
Improve performance, resource efficiency and robustness of the container layer, including JVM tuning and profiling.
Develop and evolve the public APIs, configuration model and component framework used by Vespa applications.
Collaborate with the C++ engine team and Vespa Cloud on cross-stack features.
Review code, write tests and documentation, and engage with the open source community.

Jobs at Vespa.ai

3 active roles from this employer in the JobMatcher catalog.

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Jobs at Vespa.ai

3 active roles from this employer in the JobMatcher catalog.

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About the role

Vespa.ai is seeking an experienced Java engineer to develop and improve the core components of Vespa, including the jdisc application container, the runtime, and the APIs that power Vespa deployments worldwide. The role focuses on designing and implementing features in the Vespa platform, improving performance and robustness of the container and runtime, and collaborating with engineers working on the C++ search engine and Vespa Cloud. This is a hands-on, senior individual contributor position where code quality, performance, and correctness matter. The role is based in Trondheim, Norway, with an office-first approach and the flexibility to work from home when needed, as agreed with your manager.

Responsibilities

Qualifications:

Design, implement and maintain Java components in Vespa, particularly the jdisc container and its runtime.
Improve performance, resource efficiency and robustness of the container layer, including JVM tuning and profiling.
Develop and evolve the public APIs, configuration model and component framework used by Vespa applications.
Collaborate with the C++ engine team and Vespa Cloud on cross-stack features.
Review code, write tests and documentation, and engage with the open source community.
Investigate and resolve complex production issues reported by users and customers.
5+ years of professional Java development experience.
Deep knowledge of Java, the JVM, concurrency and memory management.
Experience building and operating server-side systems with high performance and availability requirements.
Familiarity with HTTP/2, TLS a

About the role

Vespa.ai is seeking an experienced Java engineer to develop and improve the core components of Vespa, including the jdisc application container, the runtime, and the APIs that power Vespa deployments worldwide. The role focuses on designing and implementing features in the Vespa platform, improving performance and robustness of the container and runtime, and collaborating with engineers working on the C++ search engine and Vespa Cloud. This is a hands-on, senior individual contributor position where code quality, performance, and correctness matter. The role is based in Trondheim, Norway, with an office-first approach and the flexibility to work from home when needed, as agreed with your manager.

Responsibilities

Qualifications:

Design, implement and maintain Java components in Vespa, particularly the jdisc container and its runtime.
Improve performance, resource efficiency and robustness of the container layer, including JVM tuning and profiling.
Develop and evolve the public APIs, configuration model and component framework used by Vespa applications.
Collaborate with the C++ engine team and Vespa Cloud on cross-stack features.
Review code, write tests and documentation, and engage with the open source community.
Investigate and resolve complex production issues reported by users and customers.
5+ years of professional Java development experience.
Deep knowledge of Java, the JVM, concurrency and memory management.
Experience building and operating server-side systems with high performance and availability requirements.
Familiarity with HTTP/2, TLS a

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