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.
Senior Full-Stack Engineer at Age Bold, Inc.
Are you a Senior Full-Stack Engineer who wants to build technology that actually saves lives? With a proven 46% reduction in falls and partnerships with national health plans, we are scaling our React/Python/AWS platform. We are looking for an engineer to own architecture and build end-to-end features like ML-driven care guidance and clinical integrations. Join a mission-driven team where you can enjoy a $150k–$200k base salary, meaningful equity, and the chance to shape the technical foundation of a high-impact healthcare leader.
Want to apply for this role?
Jack finds you jobs at companies like Age Bold, Inc.. Talk to Jack to get considered for roles that fit what you're great at.
Location
Los Angeles, United States
Compensation
$150k-$200k + Equity
Company
Age Bold, Inc.
Role overview
Healthcare
Tech30-50 employees
Age Bold, Inc., operating as Bold, is a digital fitness platform providing personalized, science-backed exercise programs for older adults over 65, particularly Medicare members, to improve strength, mobility, balance, reduce fall risk by 46%, and alleviate joint pain by over 50%. It offers on-demand and live classes, clinical assessments, and customized workouts accessible at home without gym visits, often available at no cost through health plans like Renew Active by UnitedHealthcare.
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.
Who this is a fit for
- 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.
Why this role is remarkable
- 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.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Age Bold, Inc. wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.