ApplySarthiSenior Software Engineer - Network Transport (C++)
Roblox
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This role on the market
125 open transport roles across 28 companies are on ApplySarthi right now, most of them in Bengaluru (7), Delhi NCR (3), Pune (2).
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What transport roles keep asking for: Supply chain (12%) — counted across their open postings here.
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Preparing for this interview
Interviews for transport roles keep coming back to Supply chain. Practise those questions before you sit with Roblox.
Questions you are likely to be asked
- Why do you want to join Roblox?
- What is your experience with C++? Tell me one thing you learned the hard way.
- How would you cut the cloud bill of a system without hurting it?
- How do you keep secrets and access safe in your infrastructure?
- Walk me through how code gets from a commit to production where you work.
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Practise the Senior Software Engineer - Network Transport (C++) at Roblox interview free →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.
The Engine Networking Team pulls the players together by ensuring the communication of the game state to all. As a Senior Network Transport Engineer you will help the players experience the game as a nearly synchronous world. Just as the nerves in our bodies coordinate our actions, the network system coordinates all the computers involved into a smooth experience for the players. You will work in all areas of the game platform in your quest for real-time communication of every part of Roblox.
You Have:
- Worked on a powerful user-space network stack, solving problems related to scale, performance, latency, and throughput in client/server environments.
- Worked on a very large multithreaded distributed system that connects millions of users worldwide.
- Worked on all the devices Roblox supports - from desktop clients to mobile phone clients to console clients
- Worked on a game engine and understand how a game engine works
You Are:
- A software engineer with 7+ years of experience with Game networking coming from a Game Engine/Studio
- A deep understanding of Network Stack with a passion for working with open source
- Strong systems-level C++ programming experience and fascinated by the actual work the CPU does when you use smart pointers, templates, virtual functions, and blocks of memory, both structured and raw
- Experience with Linux networking, QoS, Congestion Control Algorithms.
- Keen to each millisecond of the network exchanges: You know where the time goes and how to reduce the waste
- Understanding of what happens on the operating systems level when certain code is completed
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.
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.
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Listed on greenhouse · posted 2026-01-23. ApplySarthi collects openings and links to application pages; the role is advertised by Roblox, not by us.