Staff Machine Learning Engineer - Retention

Location: Hybrid, requiring two days per week in the San Francisco or New York City office every Tuesday and Wednesday

Salary: $170,000–$225,000 base pay annually

Company

hirify.global is a marketplace platform connecting customers with Taskers for home services such as furniture assembly, handyman work, and moving assistance.

What you will do

• Own the reliability and performance of the tasker-to-job ranking system and improve First-Time Right rates.
• Build machine learning solutions for repeat purchases, personalized recommendations, category discovery, dynamic pricing, and customer retention.
• Manage the full model lifecycle from feature engineering and training through evaluation, deployment, monitoring, and production optimization.
• Build scalable ML infrastructure and data pipelines for real-time, near-real-time, and batch workloads.
• Develop monitoring and observability systems for data quality and model performance.
• Write maintainable production code and contribute to reviews, documentation, and engineering best practices.

Requirements

• 8+ years of industry experience building and deploying production-grade machine learning models and systems.
• Strong experience with machine learning for search, ranking, recommender systems, pricing and elasticity modeling, or predictive analytics.
• Proficiency in Python or another programming language, SQL, and popular machine learning libraries such as Scikit-learn, LightGBM, XGBoost, TensorFlow, or PyTorch.
• Experience building REST API services and working with Docker, Kubernetes, Kafka, Airflow, data warehouses, and data lakes.
• Experience with model deployment, monitoring, data quality, and scalable feature engineering.
• BS, MS, or PhD in computer science, statistics, operations research, or a related quantitative field.

Nice to have

• Experience with dbt, infrastructure as code, GitHub Actions, and CI/CD pipelines.
• Experience working in marketplace or platform environments involving ranking, matching, and pricing.

Culture & Benefits

• Hybrid work model with regular in-person collaboration.
• Employer-paid health insurance and a 401(k) match with immediate vesting for US-based employees.
• Flexible paid time off and two company-wide closure weeks.
• Product, wellness, productivity, and education stipends.
• IKEA discounts and reproductive health support.
• Benefits vary by country of employment.