Software Engineer, Machine Learning

Responsibilities

• Design and build a robust marketing platform that reaches the right audience, anywhere and anytime
• Build high-volume services that remain reliable at scale
• Develop big data solutions using open-source frameworks
• Design, train, evaluate, and improve models for deliverability, forecasting, and optimization
• Improve model quality by refining thresholds, calibration, and guardrails to reduce false positives and decision noise
• Build offline and online evaluation workflows tied to measurable business outcomes, enabling faster testing and more confident releases
• Partner with Product, Project Leads, and platform-focused Machine Learning and Data Engineers to improve service reliability, latency, observability, and data freshness
• Share ownership of production systems, including shipping model improvements safely and participating in the on-call rotation

Requirements

• 5+ years building ML models that were deployed and operated in production
• Extreme Proficiency in technical communication to nontechnical stakeholders
• Excellent applied ML fundamentals (classification/regression/forecasting + evaluation rigor)
• Strong optimization understanding in business context
• Strong Python and SQL with production engineering discipline (testing, maintainability, performance)
• Experience balancing model quality, system constraints, and speed-to-production
• Experience in ad tech, growth analytics, personalization, or performance marketing
• Proficiency working with real-time or near-real-time data pipelines
• Experience with experimentation frameworks and production model monitoring
• Experience large scale data processing and ML systems such as: Kedro, AutoGluon, PyTorch, Polars, BigQuery/GCP, Airflow/SQLMesh, and Databricks ecosystems
• Experience in Reinforcement Learning such as Q-Learning or Multi-Armed Bandits is a plus

About the Company

MNTN provides advertising software for brands to reach their audience across Connected TV, web, and mobile. MNTN Performance TV has redefined what it means to advertise on television, transforming Connected TV into a direct-response, performance marketing channel.