Applied AI Engineer (LLM Agents)

TL;DR

Applied AI Engineer (LLM Agents): Building and deploying production-grade AI agents for enterprise customers, leveraging Large Language Models (LLMs) and integrating them with tools, APIs, and data sources. Focus on designing reliable, observable, safe, and auditable agentic workflows and leading technical aspects from prototype to production.

Location: Remote (Korea)

Company

hirify.global is a fast-growing startup focused on training and deploying frontier AI models for developers and enterprises building AI systems.

What you will do

• Work closely with enterprise customers to translate high-value business problems into well-framed agentic problems with clear success criteria.
• Provide technical leadership across the full development and evaluation lifecycle for agentic workflows, including post-deployment iteration.
• Lead the design, build, and delivery of LLM-powered agents that reason, plan, and act across tools and data sources with enterprise-grade reliability and performance.
• Define and apply evaluation and quality standards to measure success, failures, and regressions, and debug real-world agent behavior.
• Mentor engineers across distributed teams and drive clarity, alignment, and engineering quality across the organization.
• Contribute to shared frameworks and patterns that enable consistent delivery across customers.

Requirements

• Demonstrated ability to build, ship, and operate production-grade software systems.
• Substantial hands-on experience designing, building, evaluating, and fine-tuning LLM-based agents in real-world applications.
• Deep familiarity with modern LLM ecosystems, including models, vector databases, RAG architectures, agent/orchestration frameworks, prompt engineering, tool use, and multi-step agent workflows.
• Strong proficiency in Python and/or JavaScript/TypeScript.
• Experience working directly with customers or stakeholders to design and deliver LLM-powered agentic solutions.
• Proven technical leadership at the team level, guiding architecture, implementation, and delivery of complex AI systems.
• Fluency in English and Korean language required.
• Ability and interest to travel up to 25%, flexible.

Culture & Benefits

• Open and inclusive culture and work environment, collaborating with a team on the cutting edge of AI research.
• Weekly lunch stipend, in-office lunches & snacks.
• Full health and dental benefits, including a separate budget for mental health.
• 100% Parental Leave top-up for up to 6 months.
• Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement.
• Remote-flexible, with offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend.
• 6 weeks of vacation (30 working days).