Senior ML Systems Engineer: Scalable AI Platform

Neura Market; Northern (KY); Hybrid; USD 217,000 - 303,000; Full time

Benefits offered by this job

Equity

Medical, dental, and vision insurance

401(k) with employer match

Generous vacation and parental leave

Job summary

Reddit is building the next generation of ML research tools and agentic AI platforms that power machine learning development across Reddit. Our mission is to accelerate the Ads ML lifecycle— from experimentation and training to deployment, evaluation, and autonomous operations— through scalable platform services, intelligent automation, and developer-centric tooling.

We are looking for an experienced engineer with deep expertise in large-scale distributed systems, ML platforms, and emerging

Qualifications

• 5+ years in infrastructure/platform engineering or large-scale distributed systems.
• 2+ years building production ML infrastructure, developer SDKs, platform APIs, or self-service AI tooling.
• Experience building workflow orchestration systems, developer platforms, or large-scale automation frameworks.
• Experience with distributed data processing systems such as Spark, Flink, Ray.
• Experience with Kubeflow, Argo, Airflow, or similar frameworks.

Responsibilities

• Design and build large-scale offline ML experimentation platforms enabling reproducible research, model development, evaluation, and promotion workflows.
• Develop production-grade training orchestration frameworks supporting distributed training, hyperparameter optimization, model evaluation, and automated retraining.
• Build infrastructure for experiment tracking, metadata management, lineage, artifact versioning, model registries, and reproducibility.
• Partner with ML engineers and researchers to improve experimentation velocity and operational efficiency.
• Build automated workflows for model promotion, rollback, compliance validation, and continuous evaluation.
• Design and build an agentic AI execution platform supporting autonomous and human-in-the-loop workflows, including multi-agent orchestration, memory/context systems, and scalable workflow infrastructure.

Skills

Distributed systems

ML infrastructure

Workflow orchestration

Spark

Flink

Ray

Kubeflow

Argo

Airflow

Agentic AI

Model training orchestration

Tools

MCP

A2A

Job description

Reddit is building the next generation of ML research tools and agentic AI platforms that power machine learning development across Reddit. Our mission is to accelerate the Ads ML lifecycle— from experimentation and training to deployment, evaluation, and autonomous operations— through scalable platform services, intelligent automation, and developer-centric tooling.

We are looking for an experienced engineer with deep expertise in large-scale distributed systems, ML platforms, and emerging