Responsibilities

• AI Research & Development:

  • Apply deep learning, NLP, information retrieval (IR), LLMs, and multimodal AI to develop scalable machine learning solutions for personalized learning and AI tutors.

• Applied Science Execution:

  • Work on cutting-edge AI models, contributing to research, prototyping, and deployment in production environments.

• Cross-functional Collaboration:

  • Partner with scientists, engineers, and product teams to deliver AI-driven solutions that enhance learning experiences and business outcomes.

• Mentorship & Knowledge Sharing:

  • Support and mentor junior scientists and engineers, fostering an environment of learning and innovation.

• Best Practices in ML:

  • Contribute to machine learning best practices, including model architecture, research methodologies, and deployment pipelines.

Qualifications

• PhD in NLP, IR, Machine Learning, or a related field (or equivalent experience).
• 4+ years of industry experience focusing on deep learning-based NLP and IR applications.
• Experience with retrieval models, ranking models, LLMs, and retrieval-augmented generation (RAG).
• Strong proficiency in deep learning frameworks such as PyTorch or TensorFlow.
• Hands-on experience with cloud platforms (e.g., AWS, Google Cloud).
• Ability to drive AI initiatives from research to production in a collaborative environment.
• Strong problem-solving skills and a track record of building impactful AI solutions.
• Passion for advancing AI-driven personalized learning experiences.
• Eagerness to work in a fast-paced, cross-functional setting to implement AI research in real-world applications.

Benefits

• Open, collaborative, dynamic, and diverse culture.
• Generous monthly allowance for lessons on Preply.com, Learning & Development budget, and time off for self-development.
• Competitive financial package with equity, leave allowance, and health insurance.
• Attractive relocation package for those not in Barcelona.
• Access to free mental health support platforms.
• Access to Gympass-partnered wellness and gym centers throughout Spain.
• Opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting).

Company Principles

• Care to change the world.
• Focus on learners.
• Continuous improvement.
• Timely execution.
• Disciplined execution.
• Deep investigation for meaningful insights.
• Growth mindset.
• Raise performance standards.
• Open communication and commitment.
• Collaboration and inclusion.

Diversity, Equity, and Inclusion

Preply is committed to fostering a diverse and inclusive environment where individuals from all backgrounds can thrive. We consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age, or veteran status. Together, we are The World Class.