Overview
Kestra is hiring a full-time remote Senior Backend Engineer in Europe to build reliable AI-agent and LLM workflow execution primitives inside its Java-based orchestration engine.
Full job description
The engineer will design execution primitives for AI workflows, build and maintain integrations with LLM providers and agent frameworks, turn real agent use cases into reusable blueprints, and keep AI execution observable and debuggable. Kestra's stack includes Java, Micronaut, Vue.js, Kafka, Elasticsearch, PostgreSQL/MySQL, Docker, Kubernetes, Terraform and major cloud platforms. Benefits listed include remote-first work, worldwide coworking access, health coverage and home-office equipment.
Requirements & qualifications
Kestra seeks strong production Java experience, hands-on experience with LangChain4j or a comparable Java agent framework, a practical understanding of agent tool calls/state/retries/failure modes, and comfort working close to an orchestration engine where reliability and correctness matter. Production AI experience in Python or TypeScript can complement, but not replace, a solid Java background.
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Verification notes
Verified on Kestra's public Ashby posting. It is currently listed as full-time and remote in Europe; no application deadline or compensation figure was published in the page checked.
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