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Iterable is an AI-powered customer engagement platform serving nearly 1,200 brands across 50+ countries. As a Senior Machine Learning Engineer, you will design and build end-to-end machine learning systems that power intelligence across the product, working at production scale with thousands of large enterprise customers.
You will own the full model lifecycle: exploratory data analysis, feature engineering, distributed training, production deployment, latency monitoring, and online experimentation. Core responsibilities include building product ML capabilities such as send-time/frequency optimization, recommendation engines, and campaign personalization. You'll scale data pipelines and serving architectures using Databricks, Spark, AWS, Ray, and Kubernetes, partnering with Backend and Platform teams to improve data architecture and establish engineering standards.
The role includes mentoring engineers on the team and helping set the technical direction for ML at Iterable. You will have real autonomy from research through production, owning the systems and models behind ML products.
Required qualifications: 5+ years of hands-on machine learning engineering experience deploying complex models at scale; mastery of Databricks and Spark for production data pipelines; proven track record taking deep learning and ensemble architectures from training through optimization to production; strong Python and/or Scala skills with emphasis on readable, modular code; hands-on experience with microservice backends, distributed compute (Ray/Spark), and Kubernetes; pragmatic focus on serving latency, reliability, and measurable customer impact.
Bonus experience includes large-scale recommendation systems, feature stores or model observability tools, and Infrastructure-as-Code (Terraform, Pulumi).
Iterable has offices in San Francisco, Denver, London, Sydney, and Lisbon, with remote employees worldwide. The company is recognized as one of Inc's Best Workplaces and Fastest Growing Companies, and was listed on Forbes' America's Best Startup Employers in 2022.
