TL;DR

Senior Staff ML Infra Engineer (AI): Architecting and enhancing ML-powered ad ranking systems, improving GPU-first training & serving, streaming/feature infra, and reliability/automation with an accent on ML training/serving systems design, GPU utilization, data loading, feature performance, and serving latency. Focus on driving adoption and reliability of ML systems at scale, leading cross-team technical initiatives, and setting engineering standards.

Location: Remote - United States

Salary: $266,000 - $372,400 USD

Company: %hirify_global% is a community-driven platform built on shared interests and trust, hosting over 100,000 active communities and 116 million daily active unique visitors.

What you will do

Architect and significantly influence ML training/serving systems and tooling for faster iteration and larger models.
Drive adoption and reliability of ML systems, owning a portfolio of initiatives across multiple teams.
Improve efficiency in GPU utilization, training runtime, data loading, feature performance, and serving latency.
Write high-quality design documents, run design reviews, and set standards for correctness, reliability, and velocity.
Partner cross-organizationally on shared infrastructure sequencing, requirements, and adoption.
Mentor other engineers and contribute to engineering best practices.

Requirements

9+ years industry experience in Software / ML Infra Engineering.
Strong background in distributed systems, data pipelines, service design, performance tuning, and operational excellence.
Demonstrated experience improving ML training/serving reliability at scale.
Ability to reason deeply about infrastructure tradeoffs affecting modeling velocity and product outcomes.
Ability to lead through influence, drive adoption across teams, and build durable interfaces/standards.
Excellent communication skills to explain tradeoffs clearly to both technical and non-technical stakeholders.

Culture & Benefits

Comprehensive Healthcare Benefits and Income Replacement Programs.
401k with Employer Match.
Flexible Vacation & Paid Volunteer Time Off and Generous Paid Parental Leave.
Global Benefit programs covering workspace, professional development, and caregiving support.
Support for Family Planning, Gender-Affirming Care, and Mental Health & Coaching.