Principal Data Scientist – Agents Team - BCN/MAD

Personio; Madrid; Híbrido; EUR 120.000 - 170.000; Jornada completa

Descripción de la vacante

Aily Labs in Madrid and Barcelona seeks a Principal Data Scientist to lead AI-driven solutions and guide multiple workstreams. This full-time hybrid role collaborates with PM, Eng, and business teams to drive measurable outcomes and scalable AI across enterprise use cases.

You will mentor the Data Science team, define modelling/evaluation standards, and ensure projects deliver high-impact results while balancing innovation with reliability.

Formación

• 7+ years of experience in data science or AI roles.
• Experience leading AI/ML projects across multiple workstreams.
• Ability to communicate with senior stakeholders.

Responsabilidades

• Lead, design, and maintain AI-driven solutions across multiple workstreams.
• Own delivery across several projects: shape the roadmap with PM/Eng, scope initiatives, manage dependencies and risks, and ensure timely, high-quality releases.
• Communicate and align with senior internal and external stakeholders.
• Provide leadership for the Data Science team: mentor and manage, define modelling and evaluation standards.

Conocimientos

Leadership

AI/ML

Communication

Cross-functional

Mentoring

Descripción del empleo

Principal Data Scientist – Agents Team - BCN/MAD

Full-time

Mission

Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a resounding "yes," we have an extraordinary opportunity for you!

About Us

Aily Labs is a B2B SaaS company building an AI-powered decision intelligence app for enterprises. Our mobile-first platform combines company data with advanced machine learning, large language models and agentic AI to give business leaders clear, actionable insights in real time.

Instead of traditional dashboards and reports, Aily delivers simple, personalized recommendations powered by GenAI that help teams decide and act faster across finance, supply chain, R&D, commercial, and more. The app is designed to be intuitive for end users and easy to integrate for IT, so companies can move from analysis and indecision to confident, data-driven decisions every day.

Founded in 2020 in Munich, Aily Labs has grown into a global team of 300+ people across Munich, Barcelona, Madrid, Cluj, and New York. Our mission is to democratize AI in business and enable leaders to Lead Boldly, turning complex data into decisions that drive real, measurable impact.

We are looking for PrincipalData Scientists and AI Engineerswho are passionate about the power of AI and who thrive at the intersection of business, analytics, and AI: someone who not only trains models but also deeply understands the business context in which they’re applied. Your job is to make sure AI is solving the right problems, using the right approaches, and driving measurableimpact.

About this team - Agent Pillar

We develop the Super Agent – an agentic decision advisor that guides users from questions to decisions through natural dialogue. We also create vertical decision intelligence agents that synthesize insights across domains, helping F500 clients turn complex data into measurable business outcomes. This is all pulled together with the GenAI systems that surface insights and decision triggers to ensure users can respond to risks and opportunities immediately.

We're building production LLM systems at enterprise scale – which means tackling hard problems in evaluation, reliability, and latency while staying at the research frontier. Our challenges include grounding agents in structured business data, coordinating multi-agent workflows, and ensuring robust performance in high-stakes decision contexts. We pair strong engineering with applied research, contributing to the field through publications and establishing technical differentiation in a fast-moving space.

Your profile

Core responsibilities - 7+ years of experience

Lead, design, and maintain AI-driven solutions across multiple workstreams to solve complex business challenges.

Own delivery across several projects: shape the roadmap with PM/Eng, scope initiatives, manage dependencies and risks, and ensure timely, high-quality releases.

Communicate and align with senior internal and external stakeholders, identifying domain-wide opportunities and influencing strategy.

Provide leadership for the Data Science team: mentor and manage, define modelling and evaluation standards, and drive impactful cross-functional delivery.

Who we’re looking for

Someone who thrives at the intersection of business, analytics and AI and wants to ensure AI solves the right problems with measurable impact.

A scientist and builder: you explore multiple approaches, analyze results and iterate fast, balancing cutting-edge techniques with simple, scalable solutions.

A strong communicator who adapts the message to different audiences and enjoys working cross-functionally with product, engineering and business stakeholders.

Someone with a startup mindset: comfortable with ambiguity, proactive and hands-on when something needs fixing or improving.

Ready to Lead Boldly – helping business leaders make decisive decisions powered by real-time AI insights.

Applicants must already have the legal right to work in Spain

Locations: Madrid (MAD), Barcelona (BCN)

Contract type: Permanent.

Work policy: hybrid (2 days per week in the office)