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Principal/Senior/Mid - AI/ML Engineer - BCN/MAD

Permanent employee, Full-time · Madrid - Hybrid, Barcelona - Hybrid
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 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 AI/ML Engineers who are passionate about the power of AI and love building robust AI/ML systems: people who turn models into reliable, scalable products, and ensure our AI solutions are production-ready, efficient and impactful. Your job is to build and scale the AI/ML infrastructure and pipelines that power Aily’s decision intelligence platform.

About this team - AI Platform

The AI Platform team is the backbone of Aily’s decision intelligence. We design, build, and operate libraries, tools, and the shared AI/ML infrastructure that enables AI & Data teams to empower business-critical decision-making for our enterprise users.

Our 3 missions are to enable innovation at scale, to minimize entropy, and to accelerate progress for Aily. 

If you enjoy working at the intersection of AI and software, closely collaborating & empowering other teams, setting technical direction, and turning complexity into leverage, this team is the right place to make your mark.

Your profile

Core responsibilities (by seniority)

Mid AI/ML Engineer - 3+ years of experience

  • Partner with Data Scientists and Engineers to bring AI solutions to production

  • Design and implement end-to-end ML pipelines (data→model→deployment→monitoring) autonomously

  • Contribute to APIs, tools, and libraries used by more than 100 AI team members daily (including Cloud & LLM Infrastructure and AI-driven features)

  • Communicate with your team: present results and findings, identify gaps and opportunities, and learn to explain our product and software/AI behind

  • Requirements: Solid AI/ML fundamentals, strong Python, APIs/K8s/Docker/Cloud experience, mentor junior team members on technical topics

Senior AI/ML Engineer - 4+ years of experience

  • All of the above +

  • Own complex projects, lead technical initiatives from design to implementation (refactoring, standardization)

  • Ensure the quality of your own and your teams' developments

  • Interact with other functions and agree on exchange protocols and architecture design (DevOps, Front End, Data Engineering, Back End, …)

  • Sponsor the creation and implementation of new software and ML standards in the AI team

  • Requirements: Strong software engineering practices, Deep AI/ML knowledge, outstanding problem-solving skills, ability and willingness to lead and mentor Junior team members

Principal AI/ML Engineer - 6+ years of experience

  • All of the above +

  • Shape AI Platform strategy across teams and be a technical reference for Aily’s AI team

  • Lead cross-team design sessions, define, enforce, and maintain org-wide standards

  • "Make things happen" at scale, manage leadership pressure

  • Lead a team of 4+ AI/ML Engineers and own their roadmap

  • Requirements: Driven by impact and value, able to lead multiple technical initiatives in parallel, mastery in the modern AI/ML stack (AWS, FastAPI, Docker, K8s, Python, CI/CD, Airflow, Agentic coding, concurrency, etc)

Who we’re looking for (all levels)

  • You are impact-driven and thrive at the intersection of AI, business, ML engineering, and product. You want to build real systems that power decision-making at scale.

  • A builder: you enjoy shipping reliable solutions, improving systems and tooling, and making things work in production at scale.

  • A strong collaborator who enjoys working with Data Scientists, Product Managers, and Engineers, and can explain trade-offs and designs in simple terms.

  • Someone with a startup mindset: comfortable with ambiguity, proactive, hands-on, and willing to improve things beyond your immediate scope.

  • Ready to Lead Boldly - helping Aily and its customers scale AI systems that enable faster, smarter decisions every day.

Location & details

  • Locations: Madrid (MAD), Barcelona (BCN).

  • Contract type: Permanent.

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

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