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Principal Backend Engineer

The Sandbox

The Sandbox

Software Engineering
Posted on Wednesday, November 22, 2023

Principal Backend Engineer

  • Engineering
  • Argentina
  • Management
  • Full-time


The Sandbox is looking to incorporate an experienced Principal Backend Engineer to our game services backend team.

As a principal, you will help define the roadmap, design the architecture, and implement new core systems. You’ll guide and mentor other engineers in your team helping them and reviewing their work.

You’ll collaborate with game designers, product owners, and other tech leads to create new and outstanding features. Also, you’ll be responsible for maintaining and optimizing existing systems and services, to meet scalability and performance requirements.

Main responsibilities of the role:

  • Design, implement, and maintain game services APIs and tools.
  • Collaborate with Product Management and other stakeholders within Engineering (Frontend, UX, etc.) to maintain a high bar for quality in a fast-paced, iterative environment.
  • Advocate for improvements to product quality, security, and performance.
  • Craft code that meets our internal standards for style, maintainability, and best practices for a high-scale web environment.
  • Conduct architecture and code reviews within your team.
  • Lead, mentor, and review the work of other backend engineers.
  • Follow best practices, development processes, documentation, and coding standards.


  • Significant professional experience with NodeJS.
  • Mastering of Relational Databases (MySQL preferably).
  • Experience with NoSQL databases, such as Redis, DynamoDB, Elastic-Search, or similar.
  • Demonstrated capacity to turn functional requirements into technical solutions.
  • Experience with performance, scalability, and optimization problems and a demonstrated ability to both diagnose and prevent these problems.
  • Effective communication skills.
  • Experience owning a project from concept to production, including proposal, discussion, and execution.
  • Self-motivated and self-managing, with strong organizational skills.


  • Experience with AWS Cloud, Docker, and Kubernetes
  • Experience developing game services for multiplayer games
  • Experience with monolithic, and micro-services architectures