Roblox

Senior Software Engineer: Assistant

San Mateo, CA, United States · Senior · Full-time

H1B sponsorship available$197k-$243kDetected 1 day ago

JavaC++C#Full-Stack DevelopmentSQLNoSQLLLMsAgentic AI

About the role

Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.
You'll work across the full stack: cloud orchestration, LLM integration and model routing, tool/skill execution, and the creator-facing client.
The system orchestrates multi-step creation workflows end-to-end: planning, code generation, asset creation, and automated testing.

Take ownership and responsibility for designing, building, testing, and deploying services within the Roblox ecosystem.
Be a technical bar-raiser for high code quality, architectural designs, and long-term planning.
Develop fellow engineers on the team.
For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.
Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators.
At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life.
A career at Roblox means you'll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
You'll build the agentic AI system that powers creation for millions of Roblox creators.
The Assistant team is converging Studio Assistant (desktop) and Build (mobile) into a single cloud-native architecture - one harness, one tool set, one eval framework.

5+ years of experience shipping high-complexity software and supporting mission-critical applications at scale.
Experience architecting, designing, and leading implementation across a wide range of software products and systems.
Familiarity with agentic systems and multi-step execution loops, including planning, tool use, recovery, and long-running workflows.
Proficiency in C++, C#, Java, or similar programming languages.
Strong understanding of SQL and NoSQL systems at scale.
Deep understanding of the components required to build modern large-scale infrastructure, with the judgment to evaluate tradeoffs, recommend pragmatic solutions, and align engineers around a direction.

cloud orchestration, LLM integration and model routing, tool/skill execution, and the creator-facing client.

$196,750 - $243,290 USD
Therefore, in some circumstances, the actual salary could fall outside of this expected range.
This pay range is subject to change and may be modified in the future.
Annual Salary Range

All full-time employees are also eligible for equity compensation and for benefits as described on this page.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

This listing is sourced directly from Roblox's careers page and normalized into a canonical job model.