AI Platform Engineer

TL;DR

AI Platform Engineer (Go/LLM): Building and optimizing AI feature observability and lifecycle management with an accent on developing tools for LLM-powered features and closed-loop evaluation pipelines. Focus on designing scalable infrastructure, tracking comprehensive LLM metrics, and integrating user feedback for prompt optimization.

Location: Remote from Canada, Mexico, Brazil, Argentina, or the USA

Salary: Canada: $128,000–$174,000 CAD, Mexico: $1,928,000–$2,405,000 MXN, Brazil: R$562,000–R$702,000 BRL, Argentina: $103,000–$128,000 USD

Company

hirify.global is building an AI-native productivity suite focused on email and communication, having recently joined forces with Grammarly to accelerate its mission.

What you will do

• Own the observability and lifecycle management of AI features across the organization.
• Build tools and infrastructure to enable teams to develop, monitor, and optimize LLM-powered features.
• Design and implement closed-loop evaluation pipelines that automatically validate prompt changes.
• Develop comprehensive metrics and dashboards to track LLM usage, cost per feature, and token patterns.
• Create systems that tie user feedback to specific prompts and LLM calls.
• Collaborate with engineering teams to ensure they have the tools and visibility needed for high-quality AI features.

Requirements

• 4+ years of software development experience with a focus on backend engineering, DevOps, ML Ops, or SRE.
• Proficiency in at least one back-end programming language, ideally Go.
• Hands-on experience with observability, metrics, and monitoring systems.
• Strong understanding of percentiles (P90, P95) and ability to build meaningful dashboards and actionable insights.
• Systems thinker who can build scalable infrastructure enabling other teams to move faster.
• Passion for AI and its potential to revolutionize work and customer experiences.

Culture & Benefits

• Competitive pay along with comprehensive health care benefits (medical, dental, vision, mental health, fertility).
• 401(k) (US) and RRSP (Canada) matching programs.
• 20 days of paid time off, 12 paid holidays, two floating holidays, and flexible sick time.
• Generous stipends for caregiving, pet care, wellness, and home office.
• Annual professional development budget and opportunities.
• Commitment to diversity, inclusion, and equal opportunity employment (EEO, E-Verify in US, Employment Equity Act in Canada).