Greenhouse ·
full-timeSenior Software Engineer - Core Platform And Systems
Roblox · San Mateo, CA, United States
Roblox operates a platform that enables millions of users to create, share, and play 3D immersive experiences built by its global community of developers. As a Senior Software Engineer on the Core Platform and Systems team, you will work on Roblox Studio, the integrated development environment used to design and publish games on the platform. Day‑to‑day responsibilities include architecting application frameworks and windowing systems, building AI‑native features that support complex agentic workflows, driving OS‑level integration and extensibility, and engineering backend infrastructure that delivers a consistent, high‑performance user experience. You will collaborate with UX designers to evolve Studio’s design language, mentor junior engineers, and own end‑to‑end delivery of technical projects that shape the next generation of professional game‑development tools. The role suits engineers with strong C++ backgrounds, experience with UI frameworks such as React, SwiftUI, Cocoa, Swift, or WPF, and a passion for solving large‑scale systems challenges while improving code quality through experimentation and industry standards.
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. As a Sr. Studio Software Engineer for Roblox Studio Platform, you will be a key contributor to the evolution of Roblox Studio, the primary IDE for making massive multiplayer online games on the Roblox platform. Studio provides the mission-critical tools for 3D modeling, animation, and the complete SDLC for millions of developers. We are looking for engineers who thrive on an adventure into the unknown and have experience across various systems, Operating Systems, Game Engines, and Application Frameworks. You’ll tackle projects involving: Core User Features: Architecting application frameworks, windowing systems, and code generation. “AI Native” Features: Pioneering scalable systems that extend to complex, agentic use cases. Foundational Architecture: Driving OS integration, extensibility, and customizability at the deepest levels. Central Backend Systems: Engineering the infrastructure to power a consistent, high-performance UX. Design Evolution: Collaborating with UX designers to translate Studio into a modern, consistent design language. You Will: Design and execute the technical direction to drive the future extensibility and adaptability of the application. Own and deliver complex technical projects from the initial spark of an idea through full execution. Work cross-functionally across teams and platforms to solve systemic challenges. Mentor team members, fostering a culture of high-level technical expertise and professional growth. Implement strategies and patterns that define the next generation of professional game development tools. You Have: 5+ years of experience developing and deploying top-tier, user-facing applications. Bachelor’s degree in Computer Science or equivalent experience 2+ years of deep experience with C++. A versatile toolkit: Experience with UI frameworks like React, SwiftUI, Cocoa, Swift, or WPF is a significant plus. You Are: An Adventurer: You are excited by code quality and the challenge of improving it systematically through AI, experimentation, and industry standards. Analytical & Organized: You have the ability to track numerous complex threads to a successful resolution. Mission-Driven: You aren't just looking for a job; you want to go on an adventure to build a strong, scalable future for the world’s best professional game development application. 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 . Annual Salary Range $196,750 — $243,290 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. 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.
| Role | Senior Software Engineer - Core Platform And Systems |
|---|---|
| Company | Roblox |
| Location | San Mateo, CA, United States |
| Compensation | Not disclosed |
| Posted | 2026-10-01 |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
Before you apply
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