Software Engineer, GenAI Platform

Responsibilities

• Build platforms and services that power machine learning, generative AI and agentic platform and product experiences across Roblox.
• Explore emerging technologies, including ML frameworks, LLMs, agentic systems, distributed systems, and GPU infrastructure.
• Improve the speed, reliability, observability, and cost efficiency of AI development
• Contribute to systems operating at Roblox scale while balancing quality, latency, reliability, and responsible data use.

Requirements

• You have an undergraduate/graduate degree in computer science or equivalent experience in engineering, a related technical field.
• 1–3 years of experience in software engineering, distributed systems, cloud services, or a related area.
• Experience building projects through coursework, internships, research, or personal work.
• Working knowledge of one or more programming languages, such as Go, Python, or Rust, along with an interest in learning new technologies.
• Interest in machine learning, generative AI, distributed systems, data infrastructure, or developer platforms.

About the role

Foundation AI builds the platforms, services, and infrastructure that enable machine learning and generative AI across Roblox. In this role, you’ll work across areas such as model training and inference, LLM services, Agent infrastructure, data systems, experimentation, evaluation, and developer tooling while learning how to build reliable systems at scale. You’ll design, code, test, launch, and operate production features, partnering with teams across product, research, data, infrastructure, safety, creator, engine, discovery, and economy. You will report to an Engineering Manager within Foundation AI organization.

You have

Strong communication skills and a willingness to collaborate across teams and disciplines.

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

$153,120

$196,750 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.