Senior Software Engineer, Ads Measurement

Location: San Mateo, California, United States; onsite at the headquarters Tuesday through Thursday, with optional presence on Monday and Friday.

Annual base salary: $196,750–$243,290 USD. Actual pay may vary based on professional background, training, experience, location, business needs, and market demand.

Company

Roblox builds a 3D immersive experiences platform and tools that enable developers and creators to build interactive experiences for a global community.

What you will do

• Architect and build foundational ads systems and backend services that reliably scale to billions of products and transactions.
• Improve ads serving and delivery performance while expanding infrastructure for new immersive advertising experiences.
• Design attribution models and identity-matching solutions that provide advertisers with comprehensive campaign performance insights.
• Integrate with third-party measurement partners for viewability, brand safety, audience reach, and audience verification.
• Build and optimize demographic, interest, behavioral, and lookalike audience segmentation and management systems.
• Lead projects across their full lifecycle, mentor junior engineers, and collaborate with ML, backend, analytics, and product teams.

Requirements

• 3+ years of software development experience, including shipping complex products to production.
• Proficiency in one or more systems programming languages: C#, Go, Rust, Java, C++, or Python.
• Knowledge of REST, gRPC, distributed systems design, scalable containerized systems, and microservices.
• Experience with Kafka, Flink, Redis, and distributed SQL/NoSQL databases.
• Ability to provide technical leadership, influence product direction, facilitate challenging technical solutions, and take ownership of projects.
• Ability to collaborate effectively with ML, backend, product, and other cross-functional engineering partners.

Nice to have

• Experience working with advertising systems.

Culture & Benefits

• Work on large-scale advertising infrastructure serving hundreds of millions of users.
• Focus on technical excellence, system correctness, reliability, measurable product impact, and continuous improvement.
• Full-time employees are eligible for equity compensation and benefits.
• Roblox provides equal employment opportunities and reasonable accommodations during the recruiting process.
• For this US-based role, the company may not be able to employ candidates with US work authorization tied to certain visa categories and cannot support future H-1B sponsorship at this time.