Jobs / United States / Roblox Corporation
Principal Software Engineer - Service Networking
Roblox Corporation · 🇺🇸 San Mateo, CA, United States
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 197 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 48 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Roblox Corporation paid sponsored hires in similar roles122 certified filings for “Senior Software Engineer” (Software Developers) in CA: $227k–$295k, median $243k. Most were filed at wage level IV (41%) — 4 lottery entries, ≈61% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Roblox Corporation
The US Department of Labor certified 197 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 48 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Roblox Corporation →
About the role
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. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. 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. Roblox’s Application Networking team connects and secures the services behind our platform across our data centers and cloud infrastructure. As a Principal Software Engineer on Service Mesh, you will set technical direction and lead hands-on development of the systems that make service-to-service communication reliable, secure, and efficient. You will guide the evolution of our Envoy- and Istio-based platform as services move across Kubernetes, Nomad, and cloud environments. You will partner with Compute, Security, and application teams, and help senior engineers lead complex technical work. You will: • Set the technical strategy and roadmap for service mesh, balancing reliability, security, performance, and operating cost. • Design and build control-plane and data-plane capabilities for service discovery, routing, load balancing, and traffic policy using Envoy, Istio, and related technologies. • Lead integration and migration across Kubernetes, Nomad, and cloud environments, with clear compatibility requirements and safe rollout plans. • Partner with Security and application teams to deliver workload identity, mutual TLS, and traffic policy enforcement in production. • Improve resource efficiency and operational reliability through performance analysis, testing, observability, incident response, and deployment automation. • Lead technical decisions across teams, write and review production code, and mentor senior engineers to expand their judgment and ownership. You have: • 8+ years of software engineering experience building and operating large-scale distributed systems, including leading substantial initiatives across teams. • Expertise in service mesh, proxies, application gateways, or a closely related infrastructure domain, demonstrated through systems you have designed, shipped, and operated. • A strong understanding of networking fundamentals, service discovery, traffic management, failure isolation, and secure service communication. • Strong programming skills in Go, C++, Rust, or another systems language, with experience debugging across application, proxy, control-plane, and operating-system boundaries. • Experience operating Kubernetes or comparable orchestration platforms in production and leading infrastructure migrations or performance improvements. Envoy/Istio internals, xDS, workload identity, and substantive open-source contributions are especially relevant. • A record of turning ambiguous problems into technical direction and coordinated execution, communicating tradeoffs clearly, and helping other engineers lead independently. You’ll Love: • Industry-leading compensation package • Excellent medical, dental, and vision coverage • A rewarding 401k program • Flexible vacation policy • Roflex - Flexible and supportive work policy • Roblox Admin badge for your avatar • At Roblox HQ: • Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks • Onsite fitness center and fitness program cr