Applied Scientist, Off-Search Relevance, Sponsored Products (Generative AI)

TL;DR

Applied Scientist, Off-Search Relevance, Sponsored Products (Generative AI): Redesigning how ads contribute to a personalized, relevant, and inspirational shopping experience with an accent on GenAI, deep learning, multi-objective optimization, and/or reinforcement learning empowered solutions. Focus on transforming ad retrieval, auctions, whole-page relevance, and differentiated recommendations by building novel generative models.

Location: Onsite in Toronto, Canada

Salary: 149,300–249,300 CAD annually

Company

hirify.global Ads is revolutionizing the advertising landscape through state-of-the-art generative AI technologies, enhancing how millions of customers discover products and engage with brands across hirify.global.com and beyond.

What you will do

• Contribute to the design and development of GenAI, deep learning, multi-objective optimization, and/or reinforcement learning empowered solutions.
• Collaborate cross-functionally with other scientists, engineers, and product managers to bring scalable, production-ready science solutions to life.
• Stay abreast of industry trends in GenAI, LLMs, and related disciplines, bringing fresh and innovative concepts, ideas, and prototypes to the organization.
• Contribute to the enhancement of team’s scientific and technical rigor by identifying and implementing best-in-class algorithms, methodologies, and infrastructure.
• Mentor and grow junior scientists and engineers, cultivating a high-performing, collaborative, and intellectually curious team.

Requirements

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

Nice to have

• Proven expertise in Generative AI, foundation models, LLMs, and/or fine-tuning and customization for downstream tasks.
• Hands-on experience in ads ranking, retrieval, recommendation systems, search, or personalization at web scale.
• Deep understanding of multi-modal modeling, few-shot learning, retrieval-augmented generation (RAG), or reinforcement learning from human feedback (RLHF).
• Experience with online experimentation, A/B testing frameworks, and metrics design for advertising or e-commerce.
• Experience in computational advertising, including familiarity with auction theory, ad economics, and advertiser performance metrics.

Culture & Benefits

• Comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance).
• Registered Retirement Savings Plan (RRSP) and Deferred Profit Sharing Plan (DPSP).
• Paid time off and other resources to improve health and well-being.
• Inclusive culture empowering hirify.globalians to deliver the best results for customers.
• Opportunity to define the next chapter of advertising science with massive scale and impact.