Senior Data Science Engineer

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LegitScript

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2007

📋 Compliance

🛍️ eCommerce

💳 Fintech

Compliance • eCommerce • Fintech

LegitScript is a company that provides a merchant and market intelligence platform powered by artificial intelligence, primarily serving internet platforms, e-commerce marketplaces, and payments companies. The company specializes in evaluating, mitigating, and managing third-party risk with real-time monitoring and compliance solutions. LegitScript offers products such as Xray for merchant risk intelligence, marketplace and ad monitoring, and several certification services, including addiction treatment, healthcare, and CBD certification. It partners with major platforms like Google, Amazon, and Microsoft, and collaborates with companies such as White Bullet to enhance its monitoring capabilities. LegitScript aims to ensure safety and transparency for the commercial internet through its comprehensive risk assessment and compliance tools.

📋 Description

• Data Science & Applied ML: Research, prototype, and develop ML and LLM-based models to solve complex business problems, with a current focus on risk detection and prioritization • Wrap models into production-ready APIs and integrate them into our core product • Ensure model outputs are interpretable — translating predictions into actionable reason codes for end users • Partner directly with operational teams to gather feedback, refine features, and improve model relevance over time • Data Engineering: Design, build, and maintain scalable pipelines to ingest data from disparate sources into our data warehouse/lake • Implement robust data validation, quality checks, and transformation workflows across raw, curated, and serving layers • Build and maintain curated datasets optimized for both analytics and model training use cases • MLOps & Production Ownership: Implement and maintain CI/CD pipelines for both data workflows and ML model deployment across environments • Monitor pipeline latency, data drift, and model performance in production; design alerting and retraining triggers • Own the business outcomes of your models — define success metrics, track ROI, and iterate based on real-world efficacy • Manage infrastructure as code and containerized deployments to ensure reproducible, environment-consistent releases

🎯 Requirements

• 5–8+ years spanning data engineering and data science/ML, with a demonstrated track record of shipping models to production • Strong Python proficiency; experience with Spark/PySpark for large-scale data processing • Advanced SQL for complex transformation, analysis, and data modeling • Hands-on experience with cloud data platforms such as Databricks or Snowflake • Experience with ETL/ELT frameworks — dbt, Lakeflow Declarative Pipelines, Databricks Autoloader, Informatica, or similar • Familiarity with ML experiment tracking tools such as MLflow or Weights & Biases • DevOps fluency: Git-based development, branching strategies, CI/CD, IaC (DABs/Terraform), and Docker • Experience with orchestration tools such as Databricks Workflows or Apache Airflow • Strong Plus: Hands-on experience with LLMs and Generative AI techniques in a production context (prompt engineering, RAG architectures, fine-tuning, or evaluation frameworks) • Experience building or operating ML platforms, feature stores, or model registries • Prior work in risk, compliance, fraud detection, or other high-stakes ML domains.

🏖️ Benefits

• Competitive compensation • Flexible work options