Senior Data Scientist: AI, ML & Production Solutions

Republic Services; Phoenix (AZ); On-site; USD 125,000 - 155,000; Full time

Benefits offered by this job

Medical benefits

Dental and vision coverage

Health care spending accounts

Dependent care spending accounts

Disability insurance

Life insurance

Employee Assistance Program

Employee discount programs

Retirement plan with match

ESPP

Paid Time Off

Job summary

Republic Services is seeking a Data Scientist III in the Phoenix metro area to independently design, develop, and deliver AI, analytics, and ML solutions that drive business outcomes. You will lead end-to-end initiatives, mentor junior data scientists, and partner with engineering, data, and product teams to deploy and monitor models in production.

The role emphasizes statistical rigor, scalable architecture, and clear storytelling of insights to both technical and non-technical audiences, with

Qualifications

• Bachelor’s Degree in an analytical field (Mathematics, Computer Science, Information Management, Statistics, Engineering).
• 5 years of experience with advanced programming in Python and SQL, conducting complex statistical analysis and building machine learning algorithms or AI applications with large databases in cloud computing environments.
• 5+ years of demonstrated experience working with large databases to perform complex analysis.
• 5+ years of experience with advanced statistical modelling, machine learning methods, and/or AI models.
• Master's Degree in an analytical field preferred.

Responsibilities

• Designs and builds advanced statistical, predictive, machine learning, and AI models, selecting appropriate evaluation metrics and diagnostics to assess performance and business impact.
• Develops approach to solution monitoring and model diagnostics, resolving common modeling issues (e.g., transformations, data limitations, bias, drift, prompt engineering, semantic retrieval, hallucination detection, or model assumptions).
• Independently investigates appropriate model structures, assumptions, and analytical techniques and how they translate to real world business problems.
• Partners with business stakeholders to identify opportunities to apply existing analytics approaches to new problems and unlock additional value from internal and external data sources.
• Organizes analyses into clear, logical narratives, presenting insights and recommendations to technical and non-technical audiences.
• Relates operational, commercial, financial, and performance metrics to analytics solutions to drive meaningful business impact.
• Acts as a subject matter expert and analytical thought partner for assigned functional areas.
• Mentors data scientists and technical teams on advanced modeling, architecture, and problem solving approaches.
• Designs modular, reusable AI and analytical components and functions that support flexibility and maintainability.
• Partners with engineering, data, and product teams to support production deployment and long-term sustainability.
• Documents solution design, assumptions, data definitions, and limitations to support reuse and transparency.

Skills

Python

SQL

Generative AI

ML Ops

Cloud computing (AWS/Snowflake)

Git & code reviews

Experiment tracking

Education

Master's degree in analytical field

Bachelor’s degree in analytical field

Tools

Snowflake

AWS

GitHub Copilot

Cursor

Claude Code

Kubeflow/MLflow

Job description

Republic Services is seeking a Data Scientist III in the Phoenix metro area to independently design, develop, and deliver AI, analytics, and ML solutions that drive business outcomes. You will lead end-to-end initiatives, mentor junior data scientists, and partner with engineering, data, and product teams to deploy and monitor models in production.

The role emphasizes statistical rigor, scalable architecture, and clear storytelling of insights to both technical and non-technical audiences, with