Lead Ai Engineer

Senior AI Engineer For our client, an international strategy company leader in SAAS applications, we are looking for a Senior AI Engineer who will lead the design and implementation of the Co-Pilot's orchestration layer – the intelligent backbone that powers the multi-agent reasoning system.The candidate will act as a technical architect, translating the ambitious product vision into a scalable, production-ready AI infrastructure.Key ResponsibilitiesArchitecture & System Design (40%)Design and implement the AI Agent Orchestrator using LangGraph / LangChain and the Model Context Protocol (MCP).Architect a stateful workflow system to manage document processing, agent lifecycles, and human-in-the-loop interactions.Define agent communication protocols, JSON-based data schemas, and the lifecycle management framework.Build an Agent Registry for versioning, discovery, and dynamic routing of specialized agents.Design fault-tolerant workflows with retries, fallbacks, partial-result preservation, and rollback mechanisms.Create a multi-model routing layer to balance latency, cost and accuracy across GPT, Claude, Gemini and open-source models.Implementation & Development (30%)Build the Agent Executor to manage reasoning loops, retrievals and validation tasks.Develop core System Agents (e.g., Query Understanding, Context Retrieval, Reasoning, Memory, Validation).Implement an asynchronous execution framework using RabbitMQ / Kafka / SQS for long-running workflows.Create prompt management tools for versioning, A/B tests and regression testing.Develop observability pipelines with OpenTelemetry, LangSmith and custom telemetry for tracing agent activity.Integration & Collaboration (20%)Partner with the Knowledge-Graph Engineer to combine vector search and graph-based reasoning.Work with Data Scientists to embed their prompts and reasoning chains into the orchestration layer.Collaborate with frontend engineers to design WebSocket and REST APIs for real-time agent interactions.Integrate with backend services for ETL pipelines, validation utilities and memory/session management.Leadership & Strategy (10%)Lead design and architecture reviews for the AI services layer.Evaluate and adopt emerging AI frameworks, models and tools.Define code standards, testing practices and documentation guidelines for multi-agent systems.Contribute to roadmap and sprint planning, aligning product vision with delivery milestones.Mentor AI engineers and support their technical growth.Experience & Background8+ years in software engineering, AI/ML engineering or related fields.3+ years working with LLMs, multi-agent systems or agentic AI architectures.Proven track record of architecting and shipping production AI systems at scale.Experience leading technical projects or small engineering teams.Technical SkillsExpert-level Python with strong async/await patterns and type hints.Deep experience with LangChain, LangGraph or similar agent orchestration frameworks.Production experience with LLM APIs (OpenAI, Anthropic, Google) and understanding of prompt engineering, temperature/token controls, and cost optimization.FastAPI or similar async web framework experience.Hands-on experience with vector databases (Weaviate, Pinecone, FAISS, Chroma) and semantic search.Familiarity with graph databases (Neo4j, TigerGraph) and query languages (Cypher, SPARQL).«I candidati, nel rispetto del D.Lgs. ********, D.Lgs. ******** e D.Lgs. ********, sono invitati a leggere l'informativa sulla privacy consultabile sotto il form di richiesta dati della pagina di candidatura (Regolamento UE n. ********).L'offerta è rivolta a candidati di entrambi i sessi, nel rispetto del D.Lgs. ******** e della normativa vigente in materia di pari opportunità. L'azienda promuove un ambiente di lavoro inclusivo e garantisce pari opportunità a tutte le persone, indipendentemente da genere, età, origine, orientamento sessuale o disabilità.»#J-*****-Ljbffr