Principal Applied AI Engineer

Location: Remote - NOAM

Annual base salary: $175,000–$200,000, plus an annual target bonus and benefits.

Company

hirify.global creates products and services focused on delivering a high-quality customer experience.

What you will do

• Act as the primary technical consultant for product and architecture leaders designing and implementing AI systems.
• Define when to use frontier LLMs, bespoke machine learning models, or traditional NLP based on performance, cost, and speed.
• Lead the development of specialized machine learning models for tasks where they are the best technical option.
• Build and evolve a central LLM platform with a unified client for OpenAI, Anthropic, and open-source models.
• Develop reusable libraries, tools, vetted prompts, internal skills, and an evaluation harness for prototyping, A/B testing, and quality measurement.
• Own the AI gateway and provide leadership with reporting on AI value, ROI, total cost of ownership, and operational efficiency.

Requirements

• Extensive hands-on experience with LLM systems, including prompt engineering, RAG, fine-tuning, and agentic workflows.
• Deep experience with traditional machine learning, including classification, regression, and NLP.
• Experience designing and maintaining reusable software components, libraries, and APIs used by engineering teams.
• Ability to explain complex technical trade-offs to technical and non-technical stakeholders.
• Experience measuring AI performance, quality, and cost and using data to guide decisions.
• Expertise in prompt engineering, data privacy, model safety, and MLOps practices.

Culture & Benefits

• Core values include Ownership, Energy, Speed & Agility, Service, and Being Human.
• Benefits eligibility begins on day one and includes medical, dental, vision, 401(k), and 401(k) match.
• Unlimited planned paid time off and global mental health support.
• On-demand learning and development, quarterly paid volunteer days, and a company-wide mentor program.
• Fast-paced, agile environment with opportunities for career development and internal promotion.