Senior Backend Engineer

1 month ago


San Francisco, California, United States Joon (YC W22) Full time

Joon Overview

Joon Health is an integrated behavior improvement platform for kids, starting with behavior disorders like ADHD, autism, anxiety, and depression. In Joon, kids access a game-based digital therapeutic where they level up when they do real-life behaviors that are managed by parents and clinicians.

Over the next 10 years, we plan on being the first-line digital treatment for pediatric behavior disorders, leveraging the first of its kind technology to drive behavior change.

After launching Joon in January 2022, focused on kids with ADHD and Autism, we've already reached over 18K active paying subscribers. We've raised over $6M in funding from top investors like Y Combinator, Goodwater, MaC Venture Capital, Dune Ventures, Blue Lion Global, Arash Ferdowsi (Dropbox), Dan Carroll (Clever), Austen Allred (Bloomtech), and Alex Cohen (Carbon Health).

If you join us, you'll be the first design hire helping shape:

  1. Our future company culture
  2. The design direction and focus across our whole platform
  3. Who we hire
  4. Our product development practices

    What we're looking for:

  5. Some to be the lead backend engineer on the team, working directly with our CTO. You'd own the high-level system and technical design of our backend across our web, iOS and Unity apps.
  6. Passion for our product and mission
  7. Self-starter with a high work ethic
  8. Experienced at building scalable systems
  9. Excited to collaborate across 3 product teams + working closely with business outcomes
  10. High level of detail orientation

    What You'll Do

  11. Lead Backend Engineering Design and Implementation
  12. Create documentation for system design and APIs
  13. Design, implement, and maintain scalable systems
  14. Collaborate with Cross-functional Teams

    Skills & Experience

  15. Expert in backend development
  16. 4+ years of relevant design experience as a tech, product-driven company
  17. Skilled across Django, Python, SQL, AWS
  18. Nice to have: experience with both web and mobile products

    What Benefits Do We Offer?

  19. Competitive base salary and stock options
  20. Unlimited Vacation Policy and Company-wide Holidays (including a spring and winter break)
  21. Full Health and Dental Insurance
  22. Relocation Stipends
  23. Health & Fitness allowance

    Joon (YC W22) focuses on Mobile, Digital Media, Healthcare, Games, and Parenting. Their company has offices in San Francisco. They have a small team that's between 11-50 employees. To date, Joon (YC W22) has raised $6.3M of funding; their latest round was closed on August 2023.
    You can view their website at or find them on LinkedIn.


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