> Markdown version of [/jobs/ext/2300813-platform-engineer-agentic-ai-harness-engineering](https://www.wearedevelopers.com/jobs/ext/2300813-platform-engineer-agentic-ai-harness-engineering). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Platform Engineer - Agentic AI & Harness Engineering - **Company:** Ebury's Data Platform - **Location:** Madrid, Spain (Remote available) - **Salary:** €65,000.0 - €80,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Audit Trail, BigQuery, Data Governance, Data Infrastructure, Data Transformation, Data Security, Data Warehousing, Python (Programming Language), Metadata, Open Source Technology, Automated Data Processing (ADP), Large Language Models, AI Platforms, Api Design - **Published:** August 30, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Self-motivation and curiosity, with a desire to learn and grow in a fast-paced environment, continuously improving both technical and business skills + Platform engineering experience building internal platforms consumed by other engineering teams + Strong software engineering fundamentals: API design, reliability, testing, and operability + Experience building secure systems - authentication/authorization, audit logs, least-privilege access, and governance controls + Hands-on experience operating production services on GCP, including services such as Vertex AI, BigQuery, Cloud Run, and Cloud Functions + Proficiency in Python for building platform services, data transformation, and tooling + Experience with agentic or LLM-based systems in production (evaluation, drift monitoring, prompt safety) is a strong plus + Familiarity with data governance concepts - lineage, traceability, access controls - and data platform ecosystems is encouraged + Fluency in English (Spanish, a plus) ## Description Ebury's strategic growth plan would not be possible without our Data team and we are seeking an Data Engineer - AI Platform to join our Data Platform Engineering team! Our mission is to develop, maintain and improve Ebury's Data Platform - and we are now extending that mission to build the Agentic Data Plane (ADP): a unified, governed interfacing layer for AI and agentic products that abstracts communication and access to data whilst enforcing governance, lineage, traceability, and full replayability. As an AI Platform Engineer, you will work closely with the rest of the Data Platform team and cross-functional domain teams to design and deliver the platform capabilities that let Ebury ship AI and agentic products safely and at scale. What we offer + Competitive salary and benefits package + Discretionary bonus based on performance + Continued personal development through training and certification + We are Open Source friendly, following Open Source principles in our internal projects and encouraging contributions to external projects Responsibilities + Design and deliver core components of Ebury's Agentic Data Plane, including agent-to-agent (A2A) communication, the Agent Tool Registry, and governed data access layers + Build platform primitives for secure tool use coordination, including "on behalf of" (OBO) patterns, centralized policy guardrails, and audit logging with full replayability + Provide end-to-end observability for agentic products: data dependencies, traces, evaluation signals, and accountability as a day-one requirement + Integrate the ADP with the Data Platform's governed foundations - catalog, metadata, data warehouse, and vector retrieval + Collaborate with domain teams to onboard pilot agents and help them adopt platform standards and runtime patterns + Drive innovation and explore emerging technologies (LLM evaluation, prompt safety, agent memory) to enhance our AI platform capabilities, Ebury only accepts applications via official Ebury channels. We will only contact you from an @ebury.com domain. Always check the emails you receive from us, and note that we will never request payment for any part of the recruitment process. Stay safe and report suspicious activity. Notice to Recruitment Agencies and Search Firms: Ebury does not accept unsolicited resumes, CVs, or candidate profiles from recruitment agencies or search firms without signed written Ebury recruitment terms in place for a specific role. Any unsolicited applications will be considered the sole property of Ebury. Ebury will not be responsible or liable for any placement fees or costs associated with unagreed candidate submissions or subsequent hires. AI Transparency Statement: Ebury uses Artificial Intelligence (AI) and automated tools to help streamline certain parts of our recruitment process, however, these tools are strictly for administrative efficiency. All hiring decisions, including application reviews, shortlisting, and final selections are evaluated and conducted by human talent acquisition professionals and hiring managers. 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