Roblox

Roblox

Principal Fullstack/Backend Software Engineer, User Connections

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

H1B sponsorship available$295k-$345kDetected 14 hours ago
JavaC++C#ExpressFull-Stack DevelopmentProduct Strategy

Stay score

odds of building a lasting career here

64Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role100
Entry-level history0
PERM / green-card track0
Lottery odds (Level IV)94
Fits your clock70

Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.

Lottery odds assume a STEM candidate.

Personalize to your clock →

H-1B wage level

the lottery is wage-weighted — each level is one more entry

Level IV · 4×
Level I$137,0931 entry
Level II$165,1312 entries
Level III$193,1493 entries
Level IV$221,1874 entries

This range already reaches Level IV — the maximum four lottery entries.

DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.

Employer immigration record

from this employer's Department of Labor filings

Green-card filing pattern in this occupation

Context, not a finding about this posting: of this employer's 37 green-card filings in this occupation, 100% were for a worker who already held the job.

Green-card follow-through: 79%

Of 38 labor certifications old enough to have been used, 8 expired without the employer filing the next step. Median time from filing to decision: 496 days.100% of their filings were for a worker who already held the job.Only certifications past the 180-day window are counted — recent ones cannot have expired yet.

Files H-1B transfers

70 transfer filings in the last year, covering 70 workers. Median labor-condition decision: 7 days. An employer that already files transfers is one that can take over an existing H-1B.

Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.

Community outcomes

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About the role

  • Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.
  • As a Principal Software Engineer on the User Connections team, you will define the backend systems that power the social ecosystem ranging from Friending, Profiles (Identity + Expression), and other Social engagement.
  • Your work will power the Roblox ecosystem, helping people recognize and connect with friends & interests on Roblox, express themselves, and discover & engage with the best of Roblox through their connections.

Responsibilities

  • 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.
  • Tech lead the engineering team
  • Lead the design and implementation of scalable backend systems to support hundreds of millions of users.
  • Collaborate with other engineering, product, and design teams to define and build platform features to enable users to express their identities

Requirements

  • 8+ years of experience designing, building, and supporting highly available and large-scale distributed fault tolerant services in production environments
  • Extensive knowledge of server-side architecture and design principles, with proficiency in compiled languages such as C#, Java, C++, or others.
  • Bachelor's degree or higher in Computer Science or a related field.

Compensation

  • $295,250 - $345,040 USD

Benefits

  • (Bonus) Experience with social products is a plus.

Visa & Work Authorization

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