ML Software Engineer, Safety and Customer Care AI

📋 Description

• Fine-tune and align models for SCC use cases
• Build AI-powered support agents and end-to-end agents
• Develop evaluation data flywheel and benchmarks
• Turn feedback into training data and signals
• Ship models to real-time production with safety guardrails
• Collaborate with product, ops, and data science

🎯 Requirements

• 3+ years in applied ML/AI; MS/PhD preferred
• Post-training with open-source models; SFT/LoRA/RLHF/RLAIF/RLVR
• Agentic development with LangGraph or equivalents
• Experience AI/LLM evaluation (offline/online)
• Production ML/AI deployments in real-time
• Strong Python and PyTorch skills

🎁 Benefits

• Extended health, dental, life, disability benefits
• Mental health benefits
• Family building and child care benefits
• Lyft HealthCare Savings Account; RRSP with company match
• Hybrid in-office with flexible PTO and parental leave
• Commuter benefits and ride credits