Senior Data Scientist
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Job Description
Senior Data Scientist building conversational AI voice and SMS agents for Angi’s home-services marketplace. Improving agent quality, experimentation, predictive modeling, and Pro revenue outcomes.
Responsibilities:
- Improve agent conversation, qualification, and booking behavior through conversation design, prompting, and campaign logic
- Build evaluation systems using automated conversation-trace checks, simulated conversations, and model-based evaluation
- Establish experiment-design frameworks and practices for shipping decisions
- Analyze real conversations to identify failures, create taxonomies, measure failure rates, and prioritize improvements
- Develop predictive models for qualification, appointment quality, homeowner engagement, channel selection, and timing selection
- Take models into production and maintain monitoring and testing
- Collaborate with engineers, product managers, designers, and operations partners from ideation through deployment
- Explore innovative approaches to complex business problems
- Mentor junior team members and promote technical excellence and knowledge sharing
Requirements:
- Master's or Ph.D. in a quantitative field (e.g., Computer Science, Statistics, Mathematics, or related fields), or equivalent practical experience
- 4+ years of experience in data science and machine learning
- Experience with non-deterministic systems such as LLM applications, conversational agents, or ranking and recommendation systems
- Experience building ways to measure system quality
- Expertise in statistical thinking and experiment design, including power and sample size, sequential and non-inferiority designs, and correlated data
- Experience analyzing and categorizing large volumes of real customer interactions
- Proven track record taking impactful work into production and maintaining production systems
- Proficiency in SQL and Python
- Experience with cloud ML solutions
- Excellent communication skills and ability to convey complex technical concepts to non-technical stakeholders
- Preferred: Experience with LLM applications in production, prompting, agent design, or evaluation tooling
- Preferred: Experience with voice or telephony systems, including streaming speech recognition, turn taking, or call quality measurement
- Preferred: Experience with workflow orchestration for long-running processes
- Preferred: Background in home services, field service, or another operations-heavy marketplace
- Must be legally authorized to work in the United States
Benefits:
- Competitive year end performance bonus
- Equity package
- Full medical, dental, vision package
- Flexible vacation policy
- Pet discount plans
- Retirement plan with company match (401K)
- Opportunity to work with sharp, motivated teammates on unique challenges
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