Junior AI Engineer

Are you passionate about AI? 🤖

We're looking for a Junior AI Engineer to design, build, and operate the AI workflows and models behind global payments & financial services leader's marketing products. You'll enable campaign measurement, customer insights, reporting, and AI/ML initiatives — partnering with Product, Engineering, Data Science, and Business stakeholders to turn complex data challenges into secure, reliable, high-quality solutions at enterprise scale.

Your Day will Look Like:

• Build AI magic: Design and develop AI workflows and/or models in Python, with a focus on leveraging LLMs. You will learn how to bridge AI/ML and the Software Engineering world, building scalable AI solutions.
• Team collaboration: Work closely with data scientists, developers, and domain experts to brainstorm ideas, share updates, and guide progress.
• Stay ahead: Research new trends and integrate cutting-edge techniques into your projects.
• Problem-solving: Translate business needs into practical ML/AI solutions, while communicating results clearly.
• Document everything: Ensure your work is reproducible and easily understood across the team.

Requirements

Your Superpowers🚀:

• BSc or MSc degree in Computer Science, Software Engineering, Data Science, or any relevant field.
• 1-2 years of experience in Data Science/ML, with knowledge of supervised, unsupervised, and semi-supervised learning.
• Experience with deep learning architectures (CNNs, Transformers, etc.).
• Python wizardry with libraries like PyTorch, Scikit-learn, Pandas, Pydantic
• Exposure to cloud tech (Azure, AWS), Git, and Docker (Kubernetes is a bonus).
• Fluent in English, with solid communication skills.

Bonus Points for:

• Experience with HuggingFace, LangChain, and vector similarity search tools (e.g., FAISS, Pinecone).
• Experience with mainstream AI models from OpenAI, Google and/or Anthropic.

Benefits

• Competitive Salary – A rewarding package that reflects your skills and experience.
• Flexible Working – Enjoy flexible hybrid model in our modern Athens office or work remotely from anywhere in European economic Area (EU, Switzerland etc.) or UK (up to 6 weeks per year).
• Health & Wellness Benefits – Private insurance, and the chance to work with a stellar crew.
• Learning & Development – Training budget to level up your skills from the top tech partners in the market (Microsoft, AWS, Salesforce, Databricks etc.) – whether it’s certifications or courses, we’ve got you covered.
• Career Growth – Clear opportunities to develop your skills and progress within the company.
• Great Team & Culture – Work with talented, supportive people in a collaborative environment.
• Team Events & Perks – Enjoy social events, celebrations, and exclusive employee benefits.
• Modern Tools & Technology – Everything you need to do your best work.
• A Workplace That Values You – Your ideas, contribution, and well-being genuinely matter.