Avast

Staff Data Scientist - MoneyLion

Avast$130K — $180K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, Physics, Economics, or related field.
  • 7+ years of experience in data science, machine learning, and data engineering.
  • Expertise in designing and deploying production ML models using Python, SQL, and ML frameworks.
  • Experience with data warehousing technologies like Redshift, Snowflake, and building data pipelines with dbt, Airflow, or Spark.
  • Strong understanding of statistics, probability, and experiment design.
  • Familiarity with ML platforms and infrastructure like SageMaker or MLflow.
  • Capability in software engineering tasks such as writing code in Python/Scala/Java and building CI/CD for model deployments.

Responsibilities

  • Own and develop production ML models for real-time recommendations and pricing.
  • Design and manage feature pipelines and data transformations for model training and serving.
  • Lead large-scale A/B tests and experiments to inform product and model enhancements.
  • Collaborate with cross-functional teams to scope data science projects from business challenges.
  • Work with engineering to deploy and maintain ML models in a production environment.
  • Drive best practices in model development, documentation, and experiment design.
  • Contribute to the evolution of MLOps tools for model lifecycle management.

Benefits

  • Health, dental, and vision insurance.
  • Generous paid time off policy.
  • Opportunities for professional development and learning.
  • Flexible work hours and remote work options.
Full Job Description
About the Role:

We are seeking a Staff Data Scientist to join the Data Science team at Engine by MoneyLion. Engine by MoneyLion is the definitive search engine and marketplace for financial products, connecting consumers with personalized financial offers across loans, deposits, credit cards, and more through its robust API. Data Science powers Engine's offer recommendations, dynamic pricing, and enhanced decisioning across our network, working closely with financial partner managers and product teams to develop cutting-edge models that drive value across the consumer journey through our complex marketplace funnels.

In this role, you will own critical model systems end-to-end-from data engineering and feature pipeline management through model development, deployment, and real-time serving. Your models will generate direct revenue impact in real time, and your data solutions will affect millions of users daily. You will lead technical initiatives across recommendations, pricing, and marketplace optimization, collaborating deeply with engineering, product, and business stakeholders to bridge the gap between advanced machine learning and tangible business outcomes.

Key Responsibilities:
  • Own and develop production ML models for real-time recommendations, pricing, and conversion prediction across the Engine marketplace.
  • Design, build, and manage feature pipelines and data transformations in our data warehouse (e.g., Redshift, Snowflake) using tools like dbt, Airflow, and SQL to ensure high-quality, timely features for model training and serving.
  • Lead the design, execution, and analysis of large-scale A/B tests and experiments, translating results into actionable product and model improvements.
  • Collaborate closely with product managers, partner managers, and business stakeholders to translate complex business problems into well-scoped data science projects.
  • Work hand-in-hand with engineering teams to deploy, monitor, and maintain ML models in production-including real-time serving infrastructure.
  • Drive best practices across the team in model development, code quality, documentation, experiment design, and reproducibility.
  • Contribute to the evolution of our MLOps platform and tooling, ensuring scalable and reliable model lifecycle management.
  • Present findings, model insights, and strategic recommendations to executive and non-technical stakeholders with clarity and business context

About You:
  • Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, Physics, Economics, or a related quantitative field (or equivalent professional experience).
  • 7+ years of experience across data science, machine learning, and data engineering, including:
    • Designing and shipping production ML models and advanced analytics in applied,
      production-oriented settings using Python, SQL, and ML frameworks.
    • Building real-time or near-real-time ML systems for recommendations, pricing, bidding, or similar use cases.
  • Working with data warehouse technologies (Redshift, Snowflake, BigQuery) and building/managing data pipelines (dbt, Airflow, Spark).
  • Strong foundation in statistics, probability, experiment design, and machine learning theory.
  • Experience working with ML platforms and infrastructure (SageMaker, Spark, Ray,
    MLflow, or equivalent).
  • Comfortable doing software engineering when needed-writing application code in Python/Scala/Java, contributing to APIs, containerizing services (Docker, Kubernetes), or building CI/CD for model deployments.
  • Excellent communication skills-effective with both technical and non-technical audiences.
  • Experience in fintech, financial services, or marketplace/auction environments is a strong plus.


What's Next:
  • Recruiter Interview
  • Hiring Manager Interview
  • Technical Interview
  • Final Interview

About Avast

Avast is a cybersecurity company that develops and markets security software for personal computers and mobile devices. The company's products include antivirus software, VPN services, and password management tools. Avast has over 435 million active users worldwide and is headquartered in London, England. The company was founded in 1988 and has offices in the Czech Republic, the United States, and other countries.
Learn more about Avast
Size
1,700 employees
Industry
Founded
1988

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