AI/ML Product Engineer

The role

You will build the insight layer of the Harmonic platform by turning raw AI usage data into customer-facing insights. You will own insight features end to end, from framing questions with users to production deployment and iteration.

What you will do

• Turn raw AI usage data into insights customers can see, trust and act on
• Own insight features end to end from framing to production and iteration
• Make sense of unstructured data at scale
• Build and maintain data pipelines behind models
• Build evaluation frameworks, ground-truth sets and error analysis
• Quantify uncertainty and communicate confidence
• Shape the product surface including what the model shows and to whom
• Adopt new models and approaches as they prove themselves
• Work across a polyglot stack including Python, Java and TypeScript on AWS

Required qualifications

• Track record of shipping production ML such as text or behaviour classifiers, or clustering and embedding pipelines
• Solid applied ML foundations across supervised classification and unsupervised grouping
• Strong production Python for ML and data engineering
• Experience reporting precision and recall, confidence intervals and baselines
• Experience delivering ML as part of a product team on a customer-visible surface
• Quantitative background in statistics, CS, physics, econometrics or equivalent
• Comfort in a polyglot codebase and willingness to pick up a second language

Nice to have

• Built products in cybersecurity, AI detection, data protection, governance or enterprise SaaS
• Worked on taxonomy design, data labelling, or entity and intent categorisation in a product context
• Been an early or founding engineer or data scientist
• Translated messy data into dashboards, scores or narratives that buyers rely on
• Want a senior IC seat with build-it-yourself scope
• Thrive in early-stage ambiguity
• Leverage AI tools as an engineer

Benefits

• Competitive pay
• Meaningful equity
• Pension plan
• Flexible hybrid work
• Annual global off-sites

About the company

Harmonic Security builds the AI Governance and Control (AIGC) platform to help enterprises adopt AI safely and at scale. The company was named to the Rising in Cyber 2026 list.