Senior ML Engineer - Contextual Retrieval & Grounded Search

Iterable, Inc.; Boston (MA); Remote; USD 150,000 - 250,000; Full time

Job summary

Iterable, Inc. is the AI customer engagement platform trusted by enterprise brands. We empower teams to activate data, design cross-channel experiences, and optimize engagement with Nova Intelligence, the AI layer of our platform.

As a Senior Machine Learning Engineer on Nova, you will own retrieval and search, building the retrieval stack and subagents that ground responses in evidence and context. You will ship production-grade systems and mentor the team as Iterable shapes the direction of AI.

Qualifications

• Hands-on production ML experience with search or recommendation systems.
• Strong IR and ranking knowledge for retrieval and re-ranking.
• Experience shipping reliable ML changes that improve product experience.

Responsibilities

• Lead context retrieval and search for Iterable Nova.
• Build the retrieval stack and search subagents on top of it.
• Mentor engineers and help set the technical direction for Nova.
• Measure quality with ranking metrics and online tests to drive improvements.

Skills

MLE in production

Information retrieval

Ranking metrics (nDCG, Recall)

Mentoring engineers

Experimentation & iteration

Education

Master's or PhD in CS/ML

Tools

Elasticsearch/OpenSearch

Vespa

Job description

Iterable, Inc. is the AI customer engagement platform trusted by enterprise brands. We empower teams to activate data, design cross-channel experiences, and optimize engagement with Nova Intelligence, the AI layer of our platform.

As a Senior Machine Learning Engineer on Nova, you will own retrieval and search, building the retrieval stack and subagents that ground responses in evidence and context. You will ship production-grade systems and mentor the team as Iterable shapes the direction of AI.