Senior Software Engineer (Backend), Co-Experience

Roblox, San Mateo, CA

The role

As a Senior Software Engineer (Backend) on the Co-Experience team, you will work on high-visibility initiatives that define the future of age-appropriate communication. You will build and maintain the services behind a social ecosystem that keeps interactions safe, civil, and meaningful across diverse age groups.

We are kind, highly collaborative, and draw on a mix of startup and large company backgrounds to iterate faster within Roblox.

Our primary product is a platform-level Party System. As the heartbeat of social interaction on Roblox, this system enables users to coordinate, form groups, and stay connected as they navigate across servers and immersive experiences.

All jobs

Senior Software Engineer (Backend), Co-Experience

Roblox, San Mateo, CA

Posted pay

$197K–$243K

a year

Compared with similar jobs

This base pay is near the median for senior software engineering jobs in the Bay Area.

Median: $213K a year
Other jobs in the group: 1,601

We compare the middle of each posted range. This is base pay as posted. The group does not include this job.

Location: San Mateo, CA
Work type: Not given
Level: Senior
Experience: 5+ years
Skills in the job text: Java
Go
C++
C#
Posted: Sep 14, 2026
Last check: 4 h ago
Job type: Software engineering

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Roblox

Open tech jobs: 215
With posted pay: 99%
Median posted base: $243K–$295K

About Roblox: funding, hiring and pay

Roblox

About Roblox: funding, hiring and pay

Company facts

Money raised: $918MSum of funding rounds on record
Newest raise: Jun 2, 2026First sale on an SEC filing

Funding records can have errors and can be missing. The company page has the links.

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The role

We are kind, highly collaborative, and draw on a mix of startup and large company backgrounds to iterate faster within Roblox.

What you need

You Have

5+ years of experience working on microservice architectures, with a proven track record in addressing scalability and reliability challenges (4+ years with a graduate degree in computer science or a related field).
3+ years of experience building systems behind consumer-facing APIs that handle large numbers of concurrent users.
Strong understanding of server-side development and design principles, with proficiency in at least one compiled language such as C#, C++, Java, Golang, or other.
A track record of leveraging AI-assisted development tools to maximize engineering velocity, allowing you to navigate large codebases, iterate on complex logic, and move from idea to production-ready code with high efficiency.
The ability to author a clear, actionable technical design document that aligns stakeholders and holds up in architectural review.

You Are

All-round: You're a generalist, open to learning new languages and technologies, and drawn to the parts of the system you haven't worked on yet.
Kind and generous: You treat colleagues with respect, assume good intent, and go out of your way to help others succeed. You believe technical excellence without kindness is not enough.
Product-opinionated: You don't just execute plans, you proactively shape our roadmap, and push for the right product outcomes.
An AI advocate: You actively push the boundaries of AI-assisted development, for yourself and for your team.
Continuously growing: You take pride in your craft and hold yourself to a higher standard each quarter.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. 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. All full-time employees are also eligible for equity compensation and for benefits as described on this page.

Senior Software Engineer (Backend), Co-Experience

The role

Senior Software Engineer (Backend), Co-Experience

The role

What you will do

What you need

You Have

You Are

Annual Salary Range

About Roblox

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