Principal Machine Learning Scientist

Cotality

$134K — $190K *
Real Estate & Construction
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's Degree or higher in a relevant field (economics, AI, data science, etc.) or equivalent experience.
  • 7+ years of directly related experience in machine learning or data science.
  • Strong problem solving and analytical abilities.
  • Proven expertise in multiple analytic and statistical tools, programming languages, and big data technologies.
  • Experience with cloud platforms (e.g., AWS, GCP) and analytics libraries.
  • Ability to adapt to new concepts and work in a team environment.
  • Demonstrated business acumen, particularly in real estate and mortgage-related data.

Responsibilities

  • Design and develop predictive and forecasting models for real estate data.
  • Analyze and engineer features from raw property and consumer data.
  • Create comprehensive model reports and documentation for stakeholder review.
  • Train and develop pattern recognition models using various machine learning techniques.
  • Utilize Python, SQL, and big data tools for analytics development.
  • Perform complex data analysis on large datasets to assess model performance.
  • Collaborate with EDSG teams to support data science initiatives.

Benefits

  • Generous PTO and 11 paid holidays, along with well-being and volunteer time off.
  • Up to 16 weeks of fully paid parental leave and a baby stipend.
  • Multiple health plan options with mental health and wellness support.
  • 401(k) with company match and one-year vesting.
  • $400 annual well-being stipend and tuition assistance up to $5,250.
  • Recognition Rewards and referral bonuses, plus exclusive discounts.
Full Job Description
Job Description:

The Principal Machine Learning Scientist will design, develop, and deliver Machine Learning based Predictive and Forecasting solutions that will enhance and add value to new and existing Real Estate and property data assets for broad industry applications and aligned with business and market requirements. Example solution is House Pricing Index model. Develop algorithmic and rule-based models and analytic capabilities based on rules engine, machine learning, mathematical modeling, pattern recognition, and data mining techniques. Performs data analysis, feature engineering and model development using a variety of analytic techniques, tools, and programming languages to provide business insights and analytic products.

Job Responsibilities:
  • Create data derivation and linkage through algorithms and/or data rules.
  • Create and select predictive features from raw data.
  • Create model reports for stakeholder review and model documentation.
  • Perform pattern recognition model creation and training using various types of algorithms and machine learning modeling techniques for unknown or less well-defined - an unknown problem, solve new problems (e.g., clustering, logistic regression, deep learning, support vector machines, boosting trees, supervised and unsupervised models).
  • Develop analytics using Python, SQL and other big data tools such as BigQuery(BQ), DataPrep and Jupyter Notebook.
  • Perform complex data analysis on large volumes of property and consumer data and present model performance to stakeholders.
  • Provide data science and analytic support for the Enterprise Data Solutions Group (EDSG) and interact with other EDSG teams as well as other business units.
  • QA and analyze large amounts of data to create appropriate data sets for model building.
  • Prepare and maintain programs and documentation for analytic models.
  • Conduct defined quantitative and qualitative research projects independently and communicates research results to internal and external stakeholders.
  • Act as a consultant to EDSG's data management and data technology teams.
  • Lead and provide technical leadership on data science project with other data scientists, data engineers, and data analysts.


Job Qualifications:

  • Master's Degree or higher in economics, artificial intelligence, data science, computer science, math, statistics or engineering field, or equivalent work experience.
  • Ability to thrive in a team environment and adapt to quickly changing priorities.
  • 7+ years of directly related experience.
  • Strong problem solving and analytical ability.
  • Strong communication skills.
  • Ability to quickly and efficiently adapt to new concepts.
  • Demonstrated knowledge of statistical techniques.
  • Data mining/data analysis experience.
  • Strong working knowledge in multiple analytic development tools, statistical tools, programming languages, and big data tools.
  • Working knowledge in cloud platform (e.g. AWS, GCP), cloud-based sandbox environment and analytics sandbox and libraries.
  • Ability to work collaboratively with cross-function teams and business units.
  • Demonstrated general business acumen; experience working in a real estate and mortgage related data industry a plus.
  • Ability to lead small team in technical projects.
  • Patents and publications in data science field a plus


#LI-Remote

Annual Pay Range:
134,400 - 190,000 USD

Application Window:

This opportunity is expected to remain posted through the date identified below, subject to business needs.

2026-08-11

Thrive with Cotality

At Cotality, we offer more than just a job, we provide a benefits experience designed to support your whole self. From a flexible working model to competitive time off and standout health coverage with meaningful perks and growth opportunities, our package is built to help you thrive at work and in life.

Highlights, depending on role classification, include:
  • Time off: Generous PTO and 11 paid holidays, plus well-being and volunteer time off.
  • Family Support: Up to 16 weeks of fully paid parental leave and a baby stipend.
  • Health: Multiple medical plan options with mental health and wellness support offerings.
  • Retirement: 401(k) with company match and vesting after one year.
  • Financial Perks: $400 annual well-being stipend and tuition assistance up to $5,250.
  • Extras: Recognition Rewards, Referral bonuses, exclusive discounts and more!


Please note, Qualifications, locations and experience of the individual ultimately selected for the position may impact the final actual offered compensation, which may vary from the posted range

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