Staff AI/ML Scientist — Conversational AI Innovator

EcoVadis SAS; Barcelona; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Wellness allowance

Private health insurance

Learning & development

Remote work from abroad

Job summary

EcoVadis SAS in Barcelona is seeking a Staff AI / Machine Learning Scientist focused on Conversational AI to advance enterprise AI solutions. You will transform text interfaces into goal-oriented, multi-step agents across procurement, supply chain, and risk domains, within our AI Center of Excellence.

You will design multi-turn systems, mentor teammates, and collaborate with product managers. The role demands 8+ years in ML/NLP with production Conversational AI, strong leadership, and a passion

Qualifications

• 8+ years of overall experience in machine learning and NLP, with at least 4+ years specializing in Conversational AI in production environments
• Advanced knowledge of agentic frameworks and proven track record building autonomous or semi-autonomous agentic systems at scale
• Experience in leading end-to-end AI initiatives in industry, from design to implementation to integration, and applying best software development practices
• Excellent mentoring skills and accountability for high quality and timely delivery of the initiatives they lead
• Experience of cross-functional collaboration in the development of AI-powered products (e.g., Engineers, Product Managers)
• Experience building conversational interfaces over complex enterprise domains (e.g., Supply Chain, Procurement, Financial Risk) is a plus
• Track record of peer-reviewed publications in top-tier NLP/AI venues (ACL, EMNLP, NeurIPS, AAAI, KDD) is a plus

Responsibilities

• Design and test multi-turn, state-aware conversational systems using LLM reasoning loops (e.g., ReAct, Plan-and-Solve) and multi-agent orchestration frameworks (LangGraph, AutoGen, or custom state machines)
• Innovate by adapting new frameworks and recent advances in generative and agentic AI
• Promote best practices in AI / ML and mentor junior team members
• Lead functional teams and initiatives to accelerate the adoption of Conversational AI
• Leverage Python, MLflow, Azure stack (e.g., Azure cloud, Azure ML, Azure Data Factory) and Databricks to deliver end-to-end AI solutions to build, benchmark, and maintain AI / ML models
• Stay in close contact with customers to evaluate their needs and recommend solutions that increase customer satisfaction and drive business value
• Stay on top of technology trends in the area of, but not limited to, AI and apply this knowledge to the key challenges ahead of EcoVadis

Skills

Conversational AI

Machine Learning

NLP

Python

Azure

Databricks

LangGraph

AutoGen

Team Leadership

Education

PhD in ML/AI

MS in CS

Tools

LangGraph

AutoGen

ReAct

Azure ML

Databricks

Job description

EcoVadis SAS in Barcelona is seeking a Staff AI / Machine Learning Scientist focused on Conversational AI to advance enterprise AI solutions. You will transform text interfaces into goal-oriented, multi-step agents across procurement, supply chain, and risk domains, within our AI Center of Excellence.

You will design multi-turn systems, mentor teammates, and collaborate with product managers. The role demands 8+ years in ML/NLP with production Conversational AI, strong leadership, and a passion