Senior AI/ML Engineer

Location: On-site in San Francisco, United States

Company

hirify.global is a well-funded AI startup building production-grade machine learning infrastructure for enterprise customers.

What you will do

• Design and ship end-to-end ML systems covering data pipelines, training, evaluation, and deployment.
• Own model performance, latency, and cost trade-offs in production.
• Build evaluation harnesses and offline benchmarks to support rapid iteration.
• Work with product stakeholders to translate ambiguous goals into measurable model improvements.
• Mentor engineers on ML best practices and code quality.

Requirements

• 4+ years of applied ML engineering experience in production environments.
• Hands-on experience with LLMs, fine-tuning, RAG, or large-scale recommender systems.
• Strong Python and PyTorch or JAX fundamentals.
• Experience with distributed training, GPU optimization, or inference serving.
• Pragmatic approach to trade-offs between research-grade and ship-grade work.

Culture & Benefits

• Full-time role working on-site with enterprise-facing ML infrastructure.
• Opportunity to work on production-scale AI systems and model optimization.