Principal AI Scientist
Principal AI Scientist
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Job Description
We power peoples progress.
At Preply were all about creating lifechanging learning experiences. We help people discover the magic of the perfect tutor craft a personalized learning journey and stay motivated to keep growing. Our approach is humanled techenabled and its creating real impact. So far 90000 tutors have delivered over 20 million lessons to learners in more than 175 countries. Every Preply lesson sparks change fuels ambition and drives progress that matters.
Meet the team!
Youll lead the development of AIdriven personalized learning solutions and shape Preplys scientific roadmap. Collaborating with a team of exceptional scientists and engineers you will architect stateoftheart models and systems that enhance the experiences of millions of learners worldwide. With a high level of autonomy and influence you will report directly to the VP of Data and Applied AI playing a pivotal role in setting the direction of our most ambitious AI initiatives.
What youll be doing:
- Innovative R&D: Leverage your extensive experience in Deep learning NLP Information Retrieval (IR) LLMs and multimodal AI to design and deploy scalable machine learning solutions for personalized learning and intelligent tutor systems.
- Scientific leadership: Develop longterm scientific roadmaps aligning them with Preplys product strategy and business goals. Act as a strategic advisor to senior leadership on investments technology direction and organizational planning.
- Crossfunctional collaboration: Partner closely with applied science leaders product managers and engineering teams to deliver AI solutions that address user needs and unlock new business opportunities.
- Mentorship & knowledge sharing: Guide and mentor scientists and engineers fostering a collaborative and innovative science community within Preply.
- Drive best practices: Establish and advocate for best practices in machine learning including architecture design research roadmaps and deployment pipelines.
What you need to succeed:
- Academic and professional background:
- PhD in NLP IR Machine Learning or related fields (or equivalent experience).
- 8 years of industry experience with a strong focus on deep learningbased NLP and IR methods.
- Scientific and technical expertise:
- Demonstrated expertise in retrieval models and extensive experience with ranking models.
- Strong understanding and experience with retrievalaugmented generation (RAG) and LLMs for realworld applications.
- Proficiency in deep learning frameworks such as PyTorch or TensorFlow.
- Handson experience with cloud platforms (e.g. AWS Google Cloud).
- Leadership & impact:
- Proven ability to lead scientific roadmaps across multiple product areas aligning them with business objectives and a strong publication record in toptier venues.
- Track record of solving realworld problems throughout the entire product lifecycle from research to production.
- Visionary mindset:
- A passion for driving scientific innovation to enhance personalized learning experiences.
- Strong collaboration skills and the ability to work crossfunctionally with diverse teams.
Why youll love it at Preply:
- An open collaborative dynamic and diverse culture;
- A generous monthly allowance for lessons on Learning & Development budget and time off for your selfdevelopment;
- A competitive financial package with equity leave allowance and health insurance;
- Not in Barcelona We offer an attractive relocation package to join us in our Preply Barcelona Hub;
- Access to free mental health support platforms;
- Access to Gympasspartnered wellness and gym centers throughout Spain to promote and support wellbeing and physical health;
- The opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting!).
Our Principles:
- Care to change the world We are passionate about our work and care deeply about its impact to be life changing.
- We do it for learners For both Preply and tutors learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
- Keep perfecting To create an outstanding customer experience we focus on simplicity smoothness and enjoyment continually perfecting it as every detail matters.
- Now is the time In a fastpaced world it matters how quickly we act. Now is the time to make great things happen.
- Disciplined execution What makes us disciplined is the excellence in our execution. We set clear goals focus on what matters and utilize our resources efficiently.
- Dive deep We leverage business acumen and curiosity to investigate disparities between numbers and stories unlocking meaningful insights to guide our decisions.
- Growth mindset We proactively seek growth opportunities and believe todays best performance becomes tomorrows starting point. We humbly embrace feedback and learn from setbacks.
- Raise the bar We raise our performance standards continuously alongside each new hire and promotion. We build diverse and highperforming teams that can make a real difference.
- Challenge disagree and commit We value open and candid communication even when we dont fully agree. We speak our minds challenge when necessary and fully commit to decisions once made.
- One Preply We prioritize collaboration inclusion and the success of our team over personal ambitions. Together we support and celebrate each others progress.
Diversity Equity and Inclusion:
Preply is committed to creating a diverse and inclusive environment where people from all backgrounds can thrive. Different opinions and viewpoints are key ingredients in our success as a multicultural EdTech company.
Preply will 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.
#LIVS1
Required Experience:
Staff IC
Employment Type
Full Time
