Research Engineer (AI/ML)

Location: New York, NY; on-site

Salary: $195,000–$400,000 per year, plus equity.

Company

hirify.global builds AI-native infrastructure for creator advertising, using creative and performance signals to improve campaign strategy, creator matching, sponsorship pricing, and content review.

What you will do

• Own applied AI and ML research problems from definition and experimentation through production.
• Build multimodal systems that understand creators, brands, briefs, and video, audio, image, and text content.
• Develop ranking, recommendation, and prediction models for creator-brand fit and campaign outcomes.
• Apply foundation models, LLMs, retrieval, fine-tuning, post-training, and specialized model training to campaign planning and optimization.
• Turn campaign data into training signals, evaluations, and learning loops for optimization, exploration, measurement, and marketplace dynamics.
• Work with engineering and product to evaluate, deploy, and measure successful approaches in production.

Requirements

• Demonstrated experience conducting applied ML research through production systems, publications, open-source research, or comparable contributions.
• Depth in one or more areas including foundation models, multimodal learning, recommendation and ranking, representation learning, reinforcement learning, decision-making, causal inference, or optimization.
• Ability to turn ambiguous product problems into tractable research questions and run rigorous experiments.
• Strong engineering skills and experience taking ML work beyond prototypes into production systems.
• Strong knowledge of current AI research and judgment about which methods are useful in practice.
• A PhD or advanced degree in ML, AI, computer science, statistics, or a related field is useful but not required.

Culture & Benefits

• Opportunity to join an early-stage team and help shape engineering culture and research standards.
• Collaborative, transparent, and engaging work environment.
• Flexible PTO and comprehensive medical coverage through Aetna, with dental and vision plans through Guardian.
• 401(k) retirement plan and a $100 monthly lifestyle credit.
• Daily office lunches and snacks, dinner Monday through Thursday, subsidized Wellhub access, and an on-site gym.