R
Roblox
Senior Software Engineer (NPC Behavior)
Skills
PythonGolangC#MicroservicesMachine Learning
2 months ago
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Important information
Contract type:
Permanent
Salary:
$196,750 – $243,290 / year
Location:
San Mateo, CA, USA
Work mode:
Onsite
Published on:
23 August 2026
What they need
- The Creator Service NPC team is the heartbeat behind our worldwide gaming experiences
- We aim to build the best NPC tools for creators
- Our product covers play testing, in game NPC as well as digital players
- We are using technologies from LLM, Imitation Learning, Reinforcement Learning, Behavior Trees, Statement Machines
- As a Senior Software Engineer, you will design and build highly scalable systems to help creators to continuously deliver experiences that feel native and seamless
- You will help us to build and maintain data pipelines, visualisation, feature transformation, annotation tools and work on inference set ups within and on top of our game engine
- Tackle and solve challenging full-stack problems that touch the client, game engine, backend services and machine learning models
- Own product areas and projects from technical design, execution, launch, and quick iteration based on feedback
- Work closely with product, design, and partner teams to maintain high execution quality and pace
- Proactively gather community feedback and respond swiftly to their needs, ensuring our products evolve to deliver exceptional value- Experience: You have 5+ years of experience and you’ve designed and led implementation on highly scalable and reliable distributed backend systems. You have hands-on experience in microservices. You have hands-on experience with game engines
- Knowledge: You are proficient in one or more programming languages (C#, Lua, C++, Go, Python or similar programming language). Deep understanding of C++ is a plus, familiarity with game engines is a plus, familiarity with machine learning is a plus
- Long-term Mindset: You are willing to take the long-term to build the system, and your design choices and technical solutions are usually still optimal multiple years into the future
- Curiosity: You are curious and passionate about industry trends and new technologies, you are able to apply them to practical problems innovatively
- Strong Teamwork: You are able to drive cross-functional projects and collaborate with teams to deliver the most curated technical solution
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