[Remote] Applied Scientist II

Note: The job is a remote job and is open to candidates in USA. Coalition, Inc. is the world's first Active Insurance provider designed to help prevent digital risk before it strikes. They are seeking an Applied Scientist II to build and improve machine learning and GenAI models that influence underwriting decisions, collaborating with various teams to design robust pipelines and enhance decision-making processes.ResponsibilitiesBuild and advance our most sensitive and business-critical ML and GenAI models that power underwriting decisions and risk selectionDrive and execute ML projects end-to-end: problem framing, data exploration, feature engineering, model design, prototyping, offline/online evaluation, deployment, and monitoringDesign and implement ML pipelines for data preprocessing, feature engineering, model training, hyperparameter tuning, and model evaluation, enabling rapid and reproducible experimentationApply state-of-the-art ML and GenAI workflows (e.g., gradient-boosted trees, deep learning, LLMs, prompt engineering, transfer learning) to improve underwriting accuracy, automation, and decision supportOwn model quality and robustness by defining success metrics, running ablations and diagnostics, and iterating to outperform prior baselinesSurvey and incorporate recent advances in ML/GenAI research into our core underwriting capabilities, balancing scientific rigor with practical constraintsCollaborate closely with underwriters, product, data, and engineering partners to clarify requirements, align on tradeoffs, and ensure models integrate cleanly into production workflowsCommunicate methods and results clearly through documentation, presentations, and design reviews; share learnings and patterns that level up the broader teamContribute to a culture of scientific and data excellence by bringing mature empathy, best practices, and lightweight processes to experimentation, code review, and model governanceSkillsPh.D. or MS in a quantitative or computational field (e.g., Computer Science, Statistics, Applied Math, Electrical Engineering) or equivalent practical experience5+ years of full-time experience developing and deploying ML- and data-based solutions in productionPractical, hands-on experience with supervised and unsupervised learning methods, including model selection, regularization, and calibrationExpertise in statistical analysis methods, especially regression analysis, statistical inference, and forecasting / time-series methodsStrong proficiency in Python and core ML libraries (e.g., scikit-learn, XGBoost/LightGBM, PyTorch/TensorFlow) and SQL for working with large, messy datasetsExperience with experiment design and evaluation (e.g., A/B tests, offline metrics vs. online KPIs, guardrails) and with ensuring reproducible resultsComfortable and effective in ambiguous problem spaces; demonstrated ability to own and drive projects with minimal oversight and processExceptional written and oral communication skills, with the ability to explain complex modeling choices and tradeoffs to technical and non-technical stakeholdersMinimum 1+ year of experience in insurance underwriting modeling (pricing, risk scoring, eligibility, or related applications)Experience with modern GenAI techniques relevant to underwriting (e.g., using LLMs for document understanding, unstructured-to-structured extraction, or underwriter copilot workflows)Familiarity with model governance in regulated environments, including documentation, validation, monitoring, and change managementExperience with ML orchestration and MLOps tools (e.g., Airflow, Prefect, MLflow, SageMaker) for managing training, deployment, and monitoring at scaleExposure to causal inference or uplift modeling for understanding the impact of underwriting or guideline changesExperience working with cyber or P&C insurance data (exposures, limits, deductibles, claims, external risk signals)Benefits100% medical, dental, and vision coverageFlexible PTOAnnual home office stipend and WeWork accessMental & physical health wellness programs like Headspace, Lumino, and more!Competitive compensation and opportunity for advancementCompany OverviewCoalition is the world's first Active Insurance provider designed to help prevent digital risk before it strikes. It was founded in 2017, and is headquartered in San Francisco, California, USA, with a workforce of 501-1000 employees. Its website is https://www.coalitioninc.com.Company H1B SponsorshipCoalition, Inc. has a track record of offering H1B sponsorships, with 4 in 2026, 15 in 2025, 22 in 2024, 18 in 2023, 17 in 2022, 6 in 2021. Please note that this does not guarantee sponsorship for this specific role.