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# Software Engineer

- **Company:** Roblox
- **Location:** San Mateo, CA, United States
- **Experience:** Expert
- **Salary:** $196,750.0 - $243,290.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Client Server Models, TypeScript, ReactJS, Backend, Build Management, Roblox, Front End Software Development, Api Design, Pagination
- **Published:** October 3, 2026
- **Apply:** https://careers.roblox.com/jobs/8036757?gh_jid=8036757

## About the Role

* 3+ years of experience building full-stack systems, including backend, APIs, and frontend applications at scale.
 * Experience with React, TypeScript/JavaScript or similar
 * Experience with data modeling for systems with complex relationships, such as privacy and visibility rules

You Are

 * Systems thinker: strong understanding of client server architecture, data modeling, and API design at scale.
 * Analytical: tackles ambiguous problems, like moderation, eligibility, and migration edge cases, systematically.
 * Collaborative: thrives in cross functional environments and enjoys mentoring.

## Description

As a full stack Senior Software Engineer you'll help build Global Actions: the systems that make core actions work consistently across every surface and platform on Roblox. Your first focus will be the Affinity System, which powers how people save and organize the things they care about on Roblox: a unified affinity system covering Saves, Collections, and Wishlists, replacing today's fragmented Favorites experience. You'll work across the stack, from backend APIs and data models to cross-platform React based UI solutions.

You Will

 * Design and build the backend APIs and services, covering collections, items, pagination, and batching, that power Saves, Collections, and Wishlists
 * Lead the migration from Favorites to Saved without losing user data, across web, mobile, desktop, console, and VR
 * Build user facing surfaces, including the Saved Library and Collections pages, in partnership with Product and Design
 * Design for privacy and safety, so users only see content and Collections they're allowed to view
 * Extend the system to new entity types as the platform grows


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