Lead Backend Engineer

FableVision
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Posted
March 3, 2026
Freelance
ET ± 4 hours
Remote

FableVision Studios (Boston, MA) is seeking an experienced backend engineer to lead server-side development on an exciting new project.

 

Required Experience

  • Multiplayer games or real-time collaboration software, including server orchestration and matchmaking
  • Designing and maintaining scalable, distributed architectures
  • Authentication systems and user data management
  • Security best practices and robust data protection
  • Experience leading backend development teams

 

Proposed Tech Stack

  • NestJS
  • Colyseus (or Socket.io)
  • PostgreSQL
  • Redis
  • Azure

 

Integrations

  • Third-party LMS (Learning Management System) and identity provider (OAuth/SSO, Microsoft Entra ID for example)

 

About the Role: 

You'll work closely with another backend engineer, frontend developers, producers, and our client stakeholders. We're looking for someone who communicates clearly and proactively — especially when it comes to surfacing decision points and articulating tradeoffs. Primary technical challenges will include supporting a large number of concurrent users (500-1,000 in the first phase, scaling to 75,000+ in subsequent phases), designing for that growth from the outset, and keeping service and infrastructure costs low.

 

Availability and Compensation: 

20–40 hours/week for approximately 6 months (duration TBD), with hours-based invoicing twice per month. Availability to meet during business hours (9-5 ET) required.

 

To Apply:

Send a resume and a brief cover letter describing your experience with one or more similar projects at scale to Jordan Bach, Tech Director.

About
FableVision

FableVision Studios designs and develops a wide array of engaging media that inspires, teaches, and moves people to action. The award-winning studio was founded in 1996 and has cultivated a signature blend of storytelling and technology that is sought after by best-in-class organizations across publishing, broadcasting, research, healthcare, the nonprofit space, and museum communities.

We’re on a mission to make the world a better place through storytelling, media, and technology.

Welcome to the world of GASHA GO! (iOS, Android), where kids ages 4-8 learn math and computer science skills through games, songs, and animated videos! From choreographing dance routines, making toys, fixing machines, and cooking with recipes, young learners will pick up valuable skills that give them a head start in school.

Nunaka: My Village (iOS, Android) is a 3D learning app developed in collaboration with the Sugpiaq people of the Chugach region in Alaska that includes the culture and language that represents Sugpiaq heritage.

Players customize their avatar and explore a whimsical village with their grandparents, Emaa and Apaa, making new friends and completing fun and challenging games along the way.

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