Principal Software Engineer (AI)

Location: New York City, NY, USA; hybrid schedule with 3 in-office days per week. NYC-based candidates or candidates open to relocation are preferred.

Salary: $250K–$300K, plus equity and bonus.

Company

hirify.global is an applied AI company building software that helps construction companies manage permitting, licensing, inspections, and project closeouts.

What you will do

• Own the architecture for the AI Assistant, including reasoning loops, planning, decomposition, state, sessions, and recovery for long-running tasks.
• Build the context layer across project documents, jurisdictional requirements, prior submissions, and customer-specific conventions using retrieval, memory, and context-window management.
• Design the assistant’s tools, permissions model, and human-in-the-loop checkpoints for expensive or irreversible actions.
• Build offline and online evaluation harnesses measuring task completion and failure modes, and establish iteration loops for improving agent quality.
• Define agentic abstractions, SDKs, and review standards for other engineers.
• Work directly with permit coordinators and builders to observe failures and incorporate customer feedback into system design.

Requirements

• Experience shipping an assistant or agentic product at meaningful scale.
• Deep, current knowledge of the agentic stack, including tool calling and design, context engineering, memory, retrieval, and orchestration patterns.
• Experience building evaluation harnesses that influenced team priorities, with the ability to explain what makes an evaluation trustworthy.
• Strong software engineering background with ownership of production services and the ability to write maintainable code.
• Ability to influence through sound judgment, working code, and clear writing.
• 10+ years of software engineering experience, including recent work building LLM-powered products.

Culture & Benefits

• Hybrid work with three required in-office days per week and daily in-office lunch and dinner.
• 100% company-paid medical, dental, and vision coverage, plus a healthcare FSA.
• 401(k) savings plan, unlimited PTO, and paid family leave.
• Home office and equipment stipend.
• Commuter benefits covering pre-tax transit and parking.
• Meaningful equity at a high-growth company.