Senior/Principal Software Engineer - Ads, Search, and Discovery

Posted 2 Days Ago
San Mateo, CA
Hybrid
316K-384K Annually
Senior level
Computer Vision • Gaming • Software • Virtual Reality • Web3 • Metaverse
Immersive gaming and creation platform
The Role
As a Senior/Principal Backend Software Engineer at Roblox, you will design and build backend systems for content distribution, ensuring scalability and reliability. You'll work with a team to provide personalized recommendations and foster long-term engagement among users, leveraging your expertise in full-stack systems.
Summary Generated by Built In

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.

With Roblox’s daily active users growing at a record pace, we are seeking experienced software engineers who thrive on solving complex challenges and designing scalable, ground breaking solutions. In this role, you will develop our backend systems that power the most used surface areas of the app, across Home, Search, Ads, Notifications, and more.


In the advertising domain, you will build innovative solutions to power real-time bidding systems, personalized advertising experiences, and tools to help any advertiser run successful campaigns on our platform. With our ads system still in its early stages, this is a unique opportunity to shape and develop a world-class, ML-driven advertising platform from the ground up.

In search and discovery, you will contribute to the cutting-edge real-time recommendation engines and a powerful backend that drives ML ranking that enable users to discover and interact with experiences across Roblox. These systems drive exploration and engagement across all surfaces, helping users find relevant and exciting content. Looking ahead, our team aims to innovate further through experimentation, building distributed systems to support our scale, and driving new, bold customer features.

Our mission is to connect a billion users with the best content and connections at the right time, tackling diverse challenges in advertising, search, and discovery at an unprecedented scale. Join us and play a pivotal role in shaping the future of Roblox’s search, discovery, and advertising systems.

You Will:

  • Design and build the systems architecture that powers Roblox content recommendation, search and distribution across surfaces.
  • Lead the design and implementation necessary to grow the backend infrastructure across our tech stack of C#, Go, and several data pipeline technologies. 
  • Collaborate with other teams (Social, Economy, Platform) within Roblox to make sure we are building products with a community first approach.
  • Balance researching new technologies with a practical approach to accomplish the research efforts into the Roblox products
  • Communicate with the industry and communities where applicable and be ambassador for Roblox.

You Are:

  • Battle Ready: You have 7+ (for principal) or 4+ (for senior) years of software development experience.
  • Knowledgeable about server-side architecture/design and compiled languages such as C#, Java, C++, or others.
  • Experience designing and building full-stack systems behind consumer-facing APIs that can handle large numbers of concurrent users.
  • You have a BS in Computer Science or a related discipline, Advanced degrees are a definite plus.
  • A Leader: You have initiated and facilitated challenging technical decisions across multiple teams and organizations.
  • User oriented: While deeply technical, you always start with the needs of the user, whether they are Roblox users or internal engineers.
  • Creative: You take a creative and strategic approach to solving hard problems. You simplify the complex. You bring in fresh ideas from new places.

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

$315,850$383,910 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.

Top Skills

C
C++
Go
Java

What the Team is Saying

Claus
Ying
Denise
Andrea
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The Company
HQ: San Mateo, CA
2,500 Employees
Hybrid Workplace
Year Founded: 2004

What We Do

Roblox is an immersive gaming and creation platform that offers people millions of ways to be together, inviting its community to explore, create and share endless unique experiences. Our vision is to reimagine the way people come together — in a world that's safe, civil, and optimistic. To achieve this vision, we are building an innovative company that, together with the Roblox community, has the ability to strengthen our social fabric and support economic growth for people around the world.

Why Work With Us

Every day, Roblox employees tackle complex questions and drive incredible innovation. Join us in building the future of human connection and communication.

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Roblox Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We are requiring employees to be in the office three days a week – with core days being Tuesday, Wednesday, and Thursday. On Mondays and Fridays, employees may choose to work remotely, although the office will still be open.

Typical time on-site: 3 days a week
Company Office Image
HQSan Mateo, CA
IN
Learn more

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