Senior Backend Engineer, AI Orchestration

ABOUT KESTRA At Kestra, we’re on a mission to make orchestration and automation simpler for everyone. Our open-source platform helps teams manage complex workflows with confidence, and we’re already making a big impact in businesses around the world. Now, we’re looking for a Full Stack Engineer to help us take things to the next level. In March 2026, we closed a $25M Series A led by RTP Global, with participation from Alven, ISAI, and Axeleo – backed by founders from Datadog, dbt Labs, and Hugging Face. ABOUT THE ROLE Kestra orchestrates workflows across systems and domains. AI agents and LLM-driven workflows are a growing part of that, and this role is about making sure they can run reliably inside the orchestrator. This is not a wrapper around a model API, but a platform orchestrating how agent steps should be run, retried, branched, and kept observable inside the orchestrator. That work happens in the Kestra core, which is Java. WHAT YOU WOULD DO - Design and build the execution primitives for AI workflows in the Kestra engine - Build and maintain the plugins that connect Kestra to LLM providers and agent frameworks - Turn real agent use cases into reusable blueprints, together with the product team - Keep AI executions observable and debuggable to the same standard as the rest of Kestra WHAT WE ARE LOOKING FOR - A strong Java background. You have built and maintained produ...