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Back End Developer - Ruby (or Javascript with Node) and AWS

Engineering | Remote | Full Time

Job Description

JOB TYPE: Freelance, Contract Position - No agencies (See notes below)

LOCATION: Remote (TimeZone: Global Role (must be comfortable with +/- 4 working hours' overlap with ET) 

HOURLY RANGE: Our client is looking to pay $70 - $90 USD / HR

ESTIMATED DURATION: 40Hrs/Week - Long Term, 4-month project (must be code complete by late December, with testing interactions and deploy / launch by the end of January 2022).

About Us: 

Braintrust ( is a user-controlled talent network, where you keep 100% of what you earn and actually get to own the platform. We've been onboarding some big clients and specifically need a Back End Developer for our client.  

About the Role

Vision: A digital platform that facilitates live educational sessions for in-person and virtual attendees. A speaker will lead a branching presentation that is partially dictated by attendee participation. In each session, the attendees will collaboratively build a patient case, and then walk through the diagnosis, assessment, and treatment of that patient together. To conclude the presentation, attendees will have personalized certifications of completion delivered to them digitally.

Target / users: Family physicians, nurses, nurse practitioners, pharmacists, dieticians and obesity educators.


  • Real-time digital presentation sessions that are hosted off-site (server-based).
  • Session registration, and gated login functionality for speakers and attendees.
  • Collection and persistent storage of attendee registration details, session metrics, and case outcomes..
  • Tools for either the speaker or a platform rep to build presentations in advance of the real-time sessions.
  • Methods of attendee interaction by way of polling or other forms of gamification.
  • Interaction likely to be mobile based to support both virtual and in-person attendees (who are unlikely to have laptops) simultaneously.
  • Building of patient cases will be delivered in the form of an “avatar builder”, controlled by the presenter based on polling input from the attendees. Avatars to be built from a set of defined parameters, and then used throughout the session in conjunction with the predefined presentation.
  • Upon session completion, personalized certificate PDFs to be sent to all session attendees.
  • Separate from the real time presentation sessions, gated digital resources and interactive tools will be accessible to all attendees to utilize at their leisure following attendance of a session.
  • White label tools and components are permissible for this project, not all components are required to be built from scratch.

First few deliverables

  • API to handle all integrations 
  • React front end for Avatars and Slide Integrations
  • Front end Portal UX
  • User Management - Admins / Reps / Physicians

Desired skills

  • Ruby on Rails or Javascript with Node
  • AWS
  • Strong communication


Qualified candidates will be invited to do a screening interview with the Braintrust staff. We will answer your questions about the project, and our platform.  If we determine it is the right fit for both parties, we'll invite you to join the platform and create a profile to apply directly for this project.  

C2C Candidates: This role is not available to C2C candidates working with an agency. If you are a professional contractor who has created an LLC/corp around their consulting practice, this is well aligned with Braintrust and we’d welcome your application.  

Braintrust values the multitude of talents and perspectives that a diverse workforce brings. All qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status.