Jr. AI Engineer

Are you passionate about football and technology? This is your chance! At 433, we are looking for a Junior AI Engineer to join our AI team.

WE ARE 433
With almost 80 million followers and over 5 billion impressions per month, 433 is the home of football on social media. We create and share the best football content across all platforms, worldwide. Our massive fanbase includes more than 15,000 professional football players, among them Cristiano Ronaldo, Kylian Mbappé, and Erling Haaland. From our headquarters in Amsterdam, we bring locker room humor and pure football passion to fans all around the world.

ABOUT THE ROLE

We are looking for a motivated Junior AI Engineer to join our AI team. This role is ideal for someone who is passionate about Large Language Models, AI-powered automation and eager to gain hands-on experience with production-grade AI solutions.

Our team develops and maintains innovative AI solutions, including:

• AI-driven content automation, using LLM pipelines to generate, enrich, and curate content at scale;

• Combining image processing techniques with visual AI models to generate high-quality graphics and visual assets;

• Cloud-based pipelines, supporting scalable automation and data engineering;

• Creating Python-based solutions for internal teams and products.

YOUR RESPONSIBILITIES

• Assist in building and maintaining end-to-end LLM-based workflows, from code development to deployment and scheduling;

• Work with multimodal AI models (text and image);

• Experiment with image and video processing using Python;

• Help with data preparation, testing, and evaluation of AI outputs;

• Participate in product meetings and contribute ideas to ongoing AI projects.

YOUR PLAYER PROFILE

• Bachelor’s or Master’s degree in Computer Science, AI, Data Science, or a related field (or equivalent experience);

• You live in or around Amsterdam (already in The Netherlands);

• Looking forward to work at our office for 4 days per week;

• Proficiency in Python programming;

• Basic understanding of Large Language Models and how they are used in applications;

• Knowledge of SQL for database querying and data manipulation;

• Familiarity with AI-powered coding agents, such as Claude Code or OpenAI Codex;

• Familiarity with APIs and structured data formats (JSON, REST);

• Strong curiosity and willingness to learn modern AI tooling;

• Strong analytical and problem-solving skills;

• Ability to work independently and as part of a team;

• Good communication skills.

NICE TO HAVE

• Familiarity with Docker, Airflow, Git;

• Familiarity with multimodal or visual AI models;

• Basic knowledge of cloud platforms (AWS, Azure, or GCP);

• Interest in RAG pipelines, AI agents, or MLOps concepts.

OUR OFFER

• Hands-on experience with state-of-the-art AI technologies;

• Mentorship from experienced AI and machine learning engineers;

• Exposure to real-world, production AI systems;

• A competitive salary, pension plan, and flexible vacation days;

• A daily catered lunch and fresh fruit at our Amsterdam office;

• Annual sports tournaments, team outings, and Friday afternoon drinks;

• A dynamic and creative work environment with colleagues who share the same passion.

Do you want to contribute to the global growth of 433 and make an impact in the football world? Apply now!