Machine Learning Engineer, Assessments

We're hiring an ML Engineer, Assessments to help build best-in-class assessment systems across multiple products. You will work in a tight loop with our Assessment Design Lead, Machine Learning, Product, and Engineering to turn assessment constructs and rubrics into reliable, scalable scoring + feedback systems.

Requirements

• Ship and own assessment ML systems end-to-end
• Build, deploy, and maintain scoring models/pipelines (feature extraction → model training → inference → feedback generation)
• Own monitoring, regression tests, and ongoing iteration to maintain accuracy targets
• Define and operationalize evaluation
• Implement validation/evaluation frameworks for assessments, including metrics, test sets, and offline/online analysis
• Translate assessment requirements into measurable acceptance criteria and guardrails
• Partner deeply with the Assessment Design Lead
• Co-develop the strategy, together with the Content team, to grow assessments into a core platform at Speak
• Work in a tight weekly loop to deliver incremental improvement
• Drive near-term delivery across products
• Stand up or improve summative assessments (spoken language ability) and bring them reliably to production
• Prototype and validate formative assessment approaches to measure improvement over weeks/months
• Support data and labeling strategy
• Help define data needs for training/evaluation (including psychometric measurement needs)
• Build or improve pipelines that support label collection and analysis (especially for efficacy studies)

Benefits

• Competitive salary
• Equity
• Generous Paid Time Off
• 401k Matching
• Retirement Plan
• Visa Sponsorship
• Four Day Work Week
• Generous Parental Leave
• Tuition Reimbursement
• Relocation Assistance