AI Engineer Internship

About Valeria
Valeria is building the future of HR and payroll in Spain. Were an AI-native platform that automates contracts payroll and compliance for companies with high employee turnover (hospitality delivery events agriculture). Were rethinking how an entire industry worksmoving from manual error-prone processes to intelligent automation.
Were a fast-growing startup backed by top investors disrupting a 5B industry thats still stuck in spreadsheets and legacy software.

Valeria is an AI-native HR and payroll platform built for the way modern companies actually work. We automate the complex compliance-heavy work that slows People teams down so they can focus on what matters: their people.

What Youll Work On

As our AI Engineer Intern you wont be watching from the sidelines youll be building real features that go into production and directly shape how HR teams experience AI.

AI & Document Intelligence

• Build and improve LLM-powered pipelines for HR document processing (contracts payslips policies)
• Work on extraction classification and structuring of unstructured HR data
• Experiment with prompt engineering and RAG approaches to improve accuracy and reliability

Backend & API Development

• Contribute to our Python (Flask) backend using clean architecture principles
• Build and maintain RESTful APIs and async job processing pipelines on Azure
• Work with PostgreSQL designing schemas writing queries optimizing performance

Frontend & Product

• Contribute to our React / / TypeScript frontend connecting AI features to user-facing experiences
• Collaborate closely with the product team to turn user needs into working features

Infrastructure & Observability

• Work within our Azure cloud environment and CI/CD pipelines via GitHub Actions
• Use Azure Monitor and Application Insights to understand how your features perform in production

Tech Stack

AI/ML LLM integrations (OpenAI Anthropic) Document processing vector search

Backend Python Flask clean architecture async processing webhooks

Database PostgreSQL Frontend React TypeScript

Cloud Azure GitHub Actions Azure Monitor Application Insights

What Were Looking For

Must-have

• Currently in your final year of a CS AI Data Science or related degree or recently graduated / finishing a Masters
• Solid Python fundamentals and genuine comfort working in a codebase you didnt write
• Hands-on experience or strong academic knowledge of LLMs prompt engineering or AI pipelines
• Ability to work independently: you dont wait to be told what to do next
• Good written English our team communicates async and in English

The X-Factor

Were a small team every person here has a real impact. Beyond skills we look for:

• Genuine curiosity about AI
• Product intuition you care about the user not just the tech
• Low ego high ownership youre comfortable saying I dont know and figuring it out
• Startup mindset you thrive with autonomy and are energized by ambiguity

What We Offer

• Paid internship

• Free lunch when youre at the office (thanks to Nora & Kombo)

• Real ownership from day one youll ship features that real users interact with

• Hybrid flexibility based in Barcelona async-friendly setup

• Direct mentorship work alongside senior engineers and the founding team

• Front-row seat to AI in production see your work go live and iterate on real feedback

The Process

1. Intro call (30 min) we get to know each other and answer your questions
2. Team interview meet the people youd be working with day to day
3. Offer