Applied Scientist (GenAI)

TL;DR

Applied Scientist (GenAI): Designing and developing GenAI and deep learning solutions to transform ad retrieval, auctions, and personalized shopping experiences with an accent on LLMs, multi-objective optimization, and reinforcement learning. Focus on building novel generative models to elevate ad relevance and user engagement at massive scale.

Location: USA (Seattle, New York, Palo Alto)

Company

hirify.global AI is re-imagining the advertising landscape through state-of-the-art generative AI technologies to transform how customers discover products and engage with brands.

What you will do

• Develop GenAI, deep learning, and RL-empowered solutions to transform ad retrieval, auctions, and whole-page relevance.
• Collaborate cross-functionally with scientists, engineers, and product managers to bring scalable, production-ready science solutions to life.
• Prototype innovative concepts and integrate the latest trends in LLMs and GenAI into the organization.
• Implement best-in-class algorithms and infrastructure to enable rapid experimentation and scaling.
• Mentor and grow junior scientists and engineers, cultivating a collaborative and intellectually curious team.

Requirements

• PhD, or Master's degree and 4+ years of experience in CS, CE, ML, or a related field.
• 3+ years of experience building models for business applications.
• Proficiency in Java, C++, Python, or related programming languages.
• Strong foundation in GenAI, LLMs, machine learning, deep learning, and probabilistic modeling.
• Experience developing and deploying models in real-world production environments.

Nice to have

• Expertise in foundation models, fine-tuning, and customization for downstream tasks.
• Hands-on experience in ads ranking, retrieval, and recommendation systems at web scale.
• Deep understanding of RAG, RLHF, or multi-modal modeling.
• Experience with A/B testing frameworks and metrics design for e-commerce or advertising.
• Familiarity with auction theory and ad economics.

Culture & Benefits

• Inclusive culture that empowers employees to deliver the best results for customers.
• Opportunity to apply frontier AI to real-world problems with massive scale and impact.
• High-performing, intellectually curious environment with a focus on scientific rigor.