Strategic AI Product Engineer

Joining Unlimitail means becoming part of the Retail Media revolution — the marketing lever that is transforming advertising by leveraging data and the digital and physical environments of retailers.With the ambition to become a leader in Europe and Latin America, Unlimitail helps brands deploy powerful Retail Media strategies and supports retailers in developing their own offers through cutting-edge proprietary technology.At Unlimitail, you’ll be joining a fast-growing company at the crossroads of data, technological innovation, and digital marketing — reinventing the way brands and retailers connect with consumers.Role Overview :As Unlimitail accelerates its use of AI across products, operations, and decision-making, we are looking for a Strategic AI Product Engineer who can act as:An architect capable of translating business challenges into AI systemsA strategist contributing to the long-term AI roadmapA connector across Product, Engineering, Data, Operations, and leadershipA hybrid profile combining engineering, consulting, and AI product intuitionThis role is ideal for an engineer who has experience in consulting, problem-solving with clients, structuring complex workflows, and leading AI-driven transformations.Your Mission :1. Shape & Execute the AI StrategyIdentify business problems that AI can transform — across product, operations, media activation, measurement, and customer experience.Define AI solution architectures: LLM agents, automation flows, classification, prediction, optimisation, etc.Partner closely with Operations, Product Managers, and leadership to contribute to the AI roadmap and prioritisation.Act as internal advisor on AI feasibility, constraints, cost, risks, and opportunities.2. Design & Build High-Impact AI SystemsPrototype and develop AI-powered features with key partnersIntegrate open-source models, cloud services, or third-party providers when relevant.Maintain high standards of reliability, performance, and documentation.3. Lead AI Discovery & Internal TransformationWork with business, product, and ops teams to map processes that can be upgraded or automated with AI.Run discovery sessions, identify quick wins, design MVPs, and scale successful initiatives.Build reusable components, templates, and internal tools to disseminate AI across teams.Drive best practices around prompt engineering, evaluation, and responsible AI.4. Evaluation, Quality & GovernanceDefine evaluation frameworks: accuracy, latency, robustness, safety, resource consumption.Develop monitoring and observability for AI systems in production.Ensure compliance, safety, and user trust, including guardrails and human-in-the-loop workflows.Own continuous improvement cycles.5. Cross-Functional Leadership & InfluenceCollaborate with Data Engineering, Product, and Operations to deliver full AI workflows end-to-end.Communicate clearly with technical and non-technical stakeholders.Contribute to internal knowledge-sharing, frameworks, playbooks, and decision documentation.What we’re looking for :5+ years of experience across software engineering, ML/AI engineering, data engineering, or technical consulting.Hybrid background strongly valued: engineering fundamentals + consulting-style problem-solving, client-facing communication, and structured thinking.Demonstrated ability to translate ambiguous business challenges into AI architectures, prototypes, and end-to-end workflows.Coding skills and familiarity with modern AI stacks: LLMs, vector databases, embeddings, agent frameworks, orchestration tools.Experience prototyping, building AI features.Solid understanding of APIs, microservices, cloud environments, and integration patterns.Comfortable navigating strategic discussions: feasibility, ROI, constraints, risks, governance, and long-term AI roadmap alignment.Ability to structure complex problems, communicate clearly with technical and non-technical audiences, and drive cross-functional initiatives.Professional English requiredWhat’s in it for you :Work in a fast-paced, international, and innovative environment, at the intersection of data, retail, and media – one of the fastest-growing spaces in digitalA strategic role in a high-growth team with autonomy and impactA dynamic, supportive environment with smart people and bold ambitionsOffice located in the heart of Paris (Sentier district)A flexible remote work policy of 2 days/week90% reimbursement of public transportation10€/day Swile card for each working day, we'll cover 60% of the cost Ready to make a big impact? Apply now and be part of our innovative journeyUnlimitail is committed to fostering a diverse workforce and strongly encourages applications from underrepresented groups. We are committed to equality of opportunity and welcome applications from individuals, regardless of their background.If you have any reasonable adjustment needs arising from a disability or medical condition to fully participate in the recruitment process, please discuss this with the recruiter who contacts you.