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Staff Data Scientist

3 weeks, 5 days ago
United States
Full-time
Lead
Data Scientist
Data Science and Analytics
Agile CI/CD Feature Engineering Git LLM Machine Learning MLOps Python SQL
Apply Now
15Five

15Five

15Five offers a continuous performance management platform that enhances employee engagement and productivity through integrated tools for feedback, objective tracking, and recognition, enabling managers to foster open communication and address workpla...

Professional Services
11-50
Founded 2011
$94M raised
View All Jobs 7

Description

  • Conduct in-depth analysis of large structured and unstructured datasets to uncover patterns, insights, and signals.
  • Develop and apply statistical methods to HR performance, engagement, and behavioral data.
  • Design and engineer features from reviews, surveys, behavioral signals, and organizational data.
  • Lead the creation and curation of labeled datasets, annotation frameworks, evaluation datasets, and ground truth benchmarks.
  • Design, develop, and train supervised, unsupervised, and representation-learning machine learning models.
  • Build data structures, embeddings, and context-enrichment pipelines for AI agents and knowledge retrieval.
  • Partner with engineering teams to operationalize models in production environments.
  • Design evaluation frameworks, monitor model performance, and iterate based on experimentation and feedback.
  • Work closely with product, engineering, and design teams to translate business problems into data science solutions.
  • Maintain documentation for datasets, modeling approaches, evaluation frameworks, and data pipelines.
  • Design benchmarking frameworks to measure AI agent performance, including retrieval quality and contextual relevance.
  • Ensure data governance, privacy, security, and ethical standards for sensitive employee data.

Requirements

  • BS or higher in Computer Science, Statistics, Mathematics, Physics, or a related quantitative field, or equivalent practical experience.
  • 7+ years of experience in data science, machine learning, or applied statistics in a production environment.
  • Strong foundation in statistical methods and experience applying them to large, complex datasets.
  • Demonstrated experience developing, evaluating, and deploying machine learning models with measurable business impact.
  • Experience with large language models (LLMs), embeddings, or AI-driven systems is a strong plus.
  • Strong programming skills in Python and SQL.
  • Experience building data processing pipelines, training models, and analyzing large datasets.
  • Experience with modern data platforms, including data warehouses, relational databases, and distributed data processing systems.
  • Familiarity with MLOps practices and tools for training, versioning, deployment, monitoring, and lifecycle management.
  • Understanding of software development workflows, including Git, CI/CD pipelines, code review, testing, and agile methodologies.
  • Strong communication skills and ability to collaborate with product, engineering, and cross-functional teams.

Benefits

  • Annual base pay range of $132,500 to $170,500.
  • Participation in an annual discretionary company bonus program.
  • Equity awards as part of the total rewards package.
  • Medical, dental, and vision coverage with a 15Five cost subsidy.
  • Employer-paid Short-Term Disability, Long-Term Disability, and Term Life insurance.
  • Flexible Time Off program, paid company holidays, and generous paid leave for new parents.
  • 401(k) with 4% company matching after 6 months.
  • Remote work and access to mental health and wellness resources.

Interested in this position?

Apply directly on the company website

Apply Now

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