Junior Data Science (AI Eng)

About Us

Mandatory Language

Job Description

• Translate business needs to technical requirements
  
• Define strategy for use of data and how data use interacts with data design
  
• Create and document reusable packages and libraries in Python and other languages
  
• Perform data studies and data discovery around new data sources or new uses for existing data sources
  
• Develop, train, finetune and industrialize ML models
  
• Implement and hands-off data checking and updating procedures to other teams
  
• Be a member of an AI laboratory performing discovery tasks and developing AI products
  
• Develop end-to-end data science applications, including complex distributed data processing, creating an analysis framework (e.g. models, algorithms, etc.), developing custom complex visualization tools, and deploying web applications.
  
• Enthusiasm for the latest developments in LLMs and Agentic AI
  

Requirements

• Until 2 years of experience in data science
  
• Experience with data programming/ scripting languages (Python, R, SQL)
  
• Experience in machine-learning methodologies (supervised /unsupervised, deep learning)
  
• Experience performing ETL functions and understanding data quality steps
  
• Strong in quantitative analysis, statistics, or mathematics
  
• Experience in communicating technically, at a level appropriate for the audience
  
• Ability to work in a fast pace and learn quickly
  
• (Bonus) Master in Data Science /Machine Learning
  
• (Bonus) Experience with regression modeling, forecasting, and/ or time series analysis
  
• (Bonus) Experience with NLP
  
• (Bonus) Experience with visualization tools (Shiny, Power BI, Tableau)
  
• (Bonus) AWS Cloud/Azure experience/exposure
  

Benefits

• Medical insurance – Because your health and that of your family is our top priority. You’re covered!
  
• Holiday flat in Valencia – Dreaming of sunny days in Spain? Our company flat is ready for your next getaway.
  
• Gifts for special occasions – We love celebrating you! Expect thoughtful surprises on Easter, Women’s Day, Father’s Day, and more.
  
• Anniversary gifts – Each work anniversary is a milestone worth celebrating, and we’ll continue to mark every year you spend with us with a special gift.
  
• Team-building events – We value connection beyond work, offering engaging team experiences in great locations to inspire collaboration and fun.
  
• End of the year celebrations – We wrap up each year with a special celebration, filled with joy, laughter, and unforgettable moments.
  
• Day off on your birthday – Your special day is yours to enjoy, no work required!
  
• Monthly massage day – Treat yourself to a relaxing massage at the office once a month.
  
• Monthly themed lunch – Delicious food and great company – let’s keep sharing laughs and stories around the table each month.
  
• Community and social initiatives – We bring people together through activities like Bring Kids to the Office Day, donation drives, tree planting, sporting events, decorating the Christmas tree with your colleagues, celebrating new office openings, Principal33’s anniversary, Exchange Office, and more!
  
• Access to Udemy Learning Platform – We know growth matters, so you now have unlimited access to thousands of courses on Udemy. Develop your skills, anytime, anywhere!
  
• German Language Courses – We offer dedicated language courses to help you develop your German skills, supporting both personal and professional growth.
  
• SAP Courses – We’re preparing to launch specialized SAP training sessions to support your professional development and boost your expertise in this valuable field.
  
• Personal & Professional Growth – We support your development through masterclasses with experienced trainers and are open to investing in courses and training that help you grow.