Machine Learning Engineer, Coach Platform

United States (Hybrid)

BetterUp

The BetterUp coaching platform drives whole company transformation. Provide your employees with personalized experiences to boost productivity and engagement.

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Let’s face it: if you’re going to build the future of human transformation, you deserve more than a paycheck.

You deserve a personal BetterUp Coach, the most curious teammates on the planet, and a mission that pulls you out of bed every morning. At BetterUp, we pair world-class coaching with Generative AI to help millions live with clarity and purpose. Ready to engineer the models that make that magic feel personal?

What you’ll do

  • Prototype, fine-tune, and evaluate LLM-powered features—from conversational insights to practice-moment nudges—using Python and Jupyter notebooks.

  • Own the production lifecycle: data prep, experiment design, offline/online evaluation, and weekly pushes to prod alongside a tight squad of ML/Backend/Full Stack Engineers.

  • Collaborate daily with Product, Coaching Science, and Learning Design to turn behavior-change research into delightful user moments.

  • Contribute to technical design by shaping model architectures, retrieval strategies, and safety guards—while staying hands-on in code.

  • Measure what matters: define success metrics, implement A/B tests, and iterate quickly on real coach feedback.

  • Ship end-to-end improvements to products like FocusFrame, our AI copilot that helps coaches deliver higher-impact sessions in real time.

What you’ll bring

Core

  • 3–5 years building and shipping ML systems in production, with at least 6–12 months hands-on with LLM fine-tuning, prompt engineering, or RAG pipelines.

  • Fluency in Python for AI development and comfort working in Jupyter/IPython.

  • Solid understanding of modern ML tooling (e.g., PyTorch, TensorFlow, or JAX) and containerized/cloud deployment basics.

  • Clear, approachable communication with both technical peers and non-technical partners.

  • Bias toward action, curiosity, and comfort navigating ambiguity in a fast-moving startup environment.

Bonus (nice-to-have, not required)

  • Prior experience in coaching, learning-science, ed-tech, or behavior-change domains.

  • Exposure to RLHF, preference tuning, or multimodal models.

Not sure you hit every bullet? We value growth mindsets—please apply anyway.

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* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

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Tags: A/B testing Architecture Copilot Engineering Generative AI JAX Jupyter LLMs Machine Learning Pipelines Prompt engineering Python PyTorch RAG Research RLHF TensorFlow

Perks/benefits: Career development Startup environment

Region: North America
Country: United States

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