Evolv Technology

Senior Data Scientist

Evolv Technology

full-time

Posted on:

Location Type: Hybrid

Location: WalthamMassachusettsUnited States

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Salary

💰 $129,000 - $209,000 per year

Job Level

About the role

  • Develop a strong understanding of Evolv’s sensor ecosystem, datasets, and ML pipelines.
  • Review dataset structure, labeling processes, and existing exploratory data analyses.
  • Run initial UMAP/PCA/t-SNE analyses to map data distributions and identify anomalies.
  • Identify opportunities to improve data quality, labeling consistency, and dataset coverage.
  • Perform deep representation analysis across sensor, time‑series, and feature data.
  • Evaluate classical ML and deep learning models by linking model errors to data issues.
  • Define data quality metrics and initial dataset acceptance criteria.
  • Collaborate with data collection teams to guide targeted data acquisition and relabeling.
  • Data mining on existing field data and understanding patterns and extract useful information and insights.
  • Design methods to improve data quality, converting noisy/unverified data into clean/verified data.
  • Own data‑centric insights that directly improve ML model performance.
  • Establish ongoing monitoring of data drift, blind spots, and label quality.
  • Provide strategic guidance for future data collection, annotation, and curation.
  • Develop automated tools and dashboards for data quality reporting and representation analysis.

Requirements

  • Master’s or PhD in Data Science, Computer Science, Applied Mathematics, Statistics, Physics, or related field
  • 2-3+ years of data science experience working with real‑world ML datasets (time‑series, images, video, sensors)
  • Proficiency in Python and data science libraries (NumPy, pandas, matplotlib, seaborn)
  • Hands‑on experience using UMAP, t‑SNE, PCA, or other representation analysis methods
  • Experience analyzing data for both classical ML and deep learning models
  • Strong understanding of ML fundamentals and model evaluation methodologies.
  • Experience with sensor or time‑series data (magnetic, radar, 3D, environmental, IoT)
  • Familiarity with scikit‑learn workflows and preprocessing techniques.
  • Experience addressing imbalanced datasets, label noise, and data drift.
  • Knowledge of embedding analysis, feature importance, and model interpretability.
  • Experience collaborating with annotation or data collection teams.
  • Familiarity with MLOps or data versioning tools (MLflow, W&B, DVC).
Benefits
  • Equity as part of your total compensation package
  • Medical, dental, and vision insurance
  • Health Savings Account (HSA)
  • A 401(k) plan (and 2% company match)
  • Flexible Paid Time Off (PTO)- take the time you need to recharge, with manager approval and business needs in mind
  • Quarterly stipend for perks and benefits that matter most to you
  • Tuition reimbursement to support your ongoing learning and development
  • Subscription to Calm
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
data sciencemachine learningdeep learningdata miningdata quality metricsrepresentation analysisdata preprocessingembedding analysisfeature importancemodel evaluation
Soft Skills
collaborationstrategic guidanceproblem-solvinganalytical thinkingcommunication
Certifications
Master’s in Data SciencePhD in Data ScienceMaster’s in Computer SciencePhD in Computer ScienceMaster’s in Applied MathematicsPhD in Applied MathematicsMaster’s in StatisticsPhD in StatisticsMaster’s in PhysicsPhD in Physics