Job details

Senior / Principal Recommendations Infrastructure Engineer - ML Platform

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 Senior / Principal Recommendations Infrastructure Engineer on ML Platform you will build the next generation of ML Ecosystem Tooling for recommendation systems. ML Platform today supports billions of requests per day across our homepage, marketplace, economy, and more. We are looking for accomplished engineers to help build out the next generation of ML platform tooling for recommender systems in a quickly innovating space.

You Are:

Have 4+ years of professional experience and a tool chest of system design experience upon which to draw to build scalable, reliable platforms for all of Roblox.
Have significant experience running large-scale recommendation systems that recommend hundreds of millions of items to millions of users.
Experienced building complex distributed systems that scale to real-time ML inference serving millions of QPS, particularly for real-time recommendation systems.
Passionate about supporting and working cross functionally with internal partners (Data Scientists and ML Engineers) to meet and understand their needs.
A reliability nut: you love digging into tricky postmortems and identifying and fixing weaknesses in complicated systems.
Ideally familiar with ML model inference frameworks like Triton Inference Server, TensorRT, KServe.
Bachelor's degree or higher in Computer Science, Computer Engineering, Data Science, or a similar technical field.

You Will:

Set technical strategy and oversee development of high scale, reliable infrastructure systems for recommender systems, especially as we scale up both inference qps and model size.
Dig into performance bottlenecks all along the recommendation inference stack, spanning from model optimizations to infrastructure optimizations.
Stay abreast of industry trends in machine learning and infrastructure to ensure the adoption of leading-edge technologies and practices.
Bootstrap and maintain infrastructure for ML Platform components--Serving Layer, Metadata Store, Model Registry, and Pipeline Orchestrator.
Partner across organizations to build tooling, interfaces, and visualizations that make the ML@Roblox a delight to use.

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.

Annual Salary Range

$233,840—$283,780 USD

Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).

You’ll Love:

Industry-leading compensation package
Excellent medical, dental, and vision coverage
A rewarding 401k program
Flexible vacation policy (varies by exemption status)
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 credit
Annual CalTrain Go Pass

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 for all candidates during the interview process.

Average salary estimate

$258810 / YEARLY (est.)

min

max

$233840K

$283780K

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What You Should Know About Senior / Principal Recommendations Infrastructure Engineer - ML Platform, Roblox

At Roblox, the role of Senior / Principal Recommendations Infrastructure Engineer for our ML Platform opens up a thrilling opportunity to make a massive impact on how millions of users interact with our ecosystem. Every day, tens of millions of people dive into Roblox's vibrant 3D experiences, and our mission is to connect a billion people with joy and civility. In this position, you will be at the heart of building the next generation of machine learning tooling for recommendation systems that influence everything from our homepage to our thriving marketplace. With your experience in designing scalable and reliable platforms, you will tackle unique technical challenges while collaborating closely with data scientists and ML engineers to understand and meet their needs. Your work will include managing complex distributed systems that handle real-time ML inference serving millions of queries per second. As a key player on our team, you’ll not only set the technical strategy but also identify performance bottlenecks and implement solutions that enhance our infrastructure. Moreover, you'll thrive in a collaborative environment where your creativity and insight can shine, ultimately crafting a delightful experience for our users. If you're passionate about leveraging cutting-edge technologies and practices while fostering a safe and respectful digital landscape, then the Senior / Principal Recommendations Infrastructure Engineer role at Roblox is the perfect fit for you.

Frequently Asked Questions (FAQs) for Senior / Principal Recommendations Infrastructure Engineer - ML Platform Role at Roblox

What are the main responsibilities of a Senior / Principal Recommendations Infrastructure Engineer at Roblox?

As a Senior / Principal Recommendations Infrastructure Engineer at Roblox, your primary responsibilities will include setting technical strategies for scalable infrastructure systems for recommendation systems, optimizing performance across the entire inference stack, and building tooling and visualizations that enhance the ML experience. You will spearhead initiatives to improve reliability and efficiency, engaging with teams across the organization to ensure effective collaboration.