The #1 clinic for joint & muscle pain. Join today and take control of your pain with access to our personalized virtual physical therapy program. Backed by Bessemer and Insight.
About the role
We’re looking for a Staff Engineer to join our Growth team and scale the programs that bring new members into Hinge Health. This team owns our member-to-member referral program end-to-end — the incentive mechanics, referral flows, and personalization systems that motivate existing members to refer colleagues and family members.
What they're looking for
- Incentive & growth experience — a track record of designing or evolving systems that measurably shift user behavior through incentives, rewards, or social mechanics. Domain background matters less than demonstrated growth impact
- Personalization at scale — experience operationalizing ML model pipelines, model serving, A/B testing infrastructure, and feedback loops that connect model performance to product outcomes
- Staff-level leadership — you’ve set technical direction for a team, influenced cross-functional roadmaps, and made architectural decisions that have held up over time
- Bachelor’s degree (or foreign equivalent) in Computer Science, Engineering, or a related technical field
- 4+ years of professional software engineering experience, including meaningful time working on production systems at scale
- Hands-on experience building and operating full-stack applications (for example, using React/React Native on the frontend and Node.js/TypeScript or similar on the backend)
More about this role
We’re looking for a Staff Engineer to join our Growth team and scale the programs that bring new members into Hinge Health. This team owns our member-to-member referral program end-to-end — the incentive mechanics, referral flows, and personalization systems that motivate existing members to refer colleagues and family members.
This is a high-ownership, full-stack role. You’ll set technical direction, work closely with product and data science, and have a direct line to business outcomes like referral conversion, cost-per-acquisition, and incremental bookings.
Own the technical direction and roadmap for the member referral platform across the full stack — from frontend experiences to backend services and data pipelines.
Scale incentive and referral systems to handle growing member volume and complexity without degrading conversion or user experience.
Integrate ML model outputs (for example, propensity scores, personalized offers, and targeting signals) into referral surfaces to improve effectiveness.
Design, instrument, and analyze A/B experiments; work with data science to close the feedback loop between model outputs and product outcomes.
Partner with product, design, and...
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