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AIOS (YC W20/S21)

Online weight loss and hormone health membership program for men; new sign-ups paused while offers are reviewed

United Statesfellahealth.com

Highlights

  • Hiring13 open roles
  • New on EvolcAdded 2026-10-16
  • Remote-friendly13 of 13 open roles remote or hybrid
  • Salary transparent13 of 13 open roles list a salary

About AIOS (YC W20/S21)

Fella Health offers weight loss and hormone health treatment programs for men, delivered through a membership model with a care team and an account portal. The website lists treatments in weight loss, hormone health and hormone care, along with a refer-a-friend option.

The customers are men seeking weight management and hormone support. Revenue appears to come from memberships, since the site refers to membership terms and a guarantee for members, but the input does not state pricing. The site currently states that new sign-ups are temporarily paused while the company reviews its offers, and that existing members can access their accounts.

The job listings are published under AIOS and AIOS Medical and cover engineering, growth, product, medical and operations roles, mostly remote across the US, UK and EU, with some listings in Blackburn, Lancashire and a Kosovo-based engineering role. The input lists the company as a Y Combinator W20/S21 participant. The input does not state a headquarters or founding year.

Product: Weight loss and hormone health treatment programs for men, delivered as a membership with a care team and online account access.

Open jobs (13)

See all 13 jobs at AIOS (YC W20/S21) →

Tech stack

  • AWS
  • Cloudflare
  • Google Ads
  • Google Analytics 4
  • Google Tag Manager
  • PostHog
  • TikTok Pixel
  • Webflow