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 Principal Software Engineer on the Ads team, you will play a meaningful role in shaping the evolution of advertising products and systems at Roblox. The role encompasses designing advertising experiences that engage tens of millions of users daily. Your responsibilities will include crafting robust and scalable backend services, processing vast amounts of data, and running a real-time advertising decision server to develop and expand Roblox's advertising business. This role is a great fit for you if you are proficient in managing large scale systems and data-driven applications and have a zeal for developing inspiring, easily maintainable, and reusable code. Join our highly skilled and rapidly growing team and make a significant impact at Roblox.

This position will report to the Senior Engineering Manager or Director, and require you to work onsite at our HQ in San Mateo, CA Tuesdays to Thursdays.

You Will:

  • Build and ship best-in-class Ads products used by hundreds of millions of users.

  • Develop backend services that scale to billions of products and transactions.

  • Be a tech lead and mentor junior engineers

  • Self-organize and take ownership of projects throughout their full lifecycle.

You Have

  • 8 years of experience in software development

  • 4+ years of experience building and shipping Ads products to production, and working on large distributed systems

  • Knowledge with REST, GRPC, distributed systems design, and scalable containerized systems and microservices

  • Passion about working on large-scale, consumer-facing mobile and web applications

  • Knowledge about advertising and the technology which powers it is preferred

You Are:

  • A Technical Leader: You have initiated and facilitated complicated technical solutions. Your technical expertise influences product direction. You foster a culture of technical excellence.

  • Versatile: You're a generalist and you are comfortable with several languages and technologies already; you are adaptable in any situation. You are resourceful, and take a creative and strategic approach to solving hard problems.

  • Analytical: Excited to investigate large, ambiguous problems, and quantify the problems and the solutions.

  • User Oriented: You always start with the needs of the user, whether they are Roblox users or internal engineers before architecting a solution.

  • Team Oriented: You lift up your peers and find ways to make the team stronger.

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

$283,780—$331,640 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

  • 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. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.