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# Senior Full-Stack Engineer ($150k-$200k + Equity) at Age Bold, Inc.

- **Company:** Jack & Jill, Inc.
- **Location:** Los Angeles, CA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $150,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Amazon Web Services, Cloud Computing, Code Review, Python (Programming Language), Machine Learning, Web Applications, ReactJS
- **Published:** August 15, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pb8u0sh8d7

## About the Role

* 5+ years of professional experience scaling modern web applications using Javascript (React) and Python on cloud infrastructure.
 * Product-minded engineer with a growth mindset who thrives in fast-paced startup environments and can navigate technical ambiguity.
 * Strong communicator who possesses deep empathy for older adults and is motivated by improving healthcare accessibility and independence.

## Description

Join a mission-driven team as a Senior Full-Stack Engineer building a clinical platform that has already reduced falls in older adults by 46%. You will own the architecture and end-to-end feature development on a React/Python/AWS stack, shipping high-impact products like ML-driven care guidance and EHR integrations to improve healthcare outcomes for millions., * Rare opportunity to join an a16z and Khosla Ventures-backed startup at an inflection point where product-market fit is proven and scaling is the primary focus.

 * Direct clinical impact: build technology that significantly reduces injury and hospitalizations for a population of 10 million Medicare members.
 * High ownership environment where you will shape technical direction and influence the engineering foundation rather than just executing tickets.

What You Will Do

 * Architect and maintain scalable, HIPAA-compliant components on AWS to power member engagement and clinical messaging workflows.
 * Partner with data science and clinical teams to prototype and launch ML-driven personalization and care guidance features.
 * Drive technical excellence by mentoring teammates, conducting code reviews, and evolving the platform's design system and infrastructure.


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