Senior Backend Engineer – Real-Time Ads & Recommender

Unity; San Francisco (CA); On-site; USD 190,000 - 240,000; Full time

Benefits offered by this job

Comprehensive health insurance

Stock ownership

Generous vacation days

Employee assistance program

Job summary

Unity is seeking a Staff Backend Engineer to lead Offer Delivery, the backend service driving which offers players see in real time. You will define architecture, drive delivery, and oversee targeting, pacing, and supply-side rules across critical systems in a fast-growing ad/monetization platform.

You’ll work with Go and Java services, real-time bidding and direct placements, and collaborate with ML teams to push ranking improvements into production while mentoring across teams.

Qualifications

• Significant backend system ownership and delivery leadership.
• Experience in designing large-scale, latency-sensitive distributed services.
• Proficiency in Go or Java, with ability to adapt to Go quickly.
• Hands-on with observability platforms and data streaming technologies.
• Proven ability to design stable systems amid changing requirements.
• Experience mentoring engineers and driving cross-team initiatives.

Responsibilities

• Architect & design the architecture of Offer Delivery and lead critical initiatives.
• Build, test, and ship Go and Java services for real-time bidding and direct placements.
• Collaborate with ML team to bring ranking improvements to production, including feature retrieval and model serving.
• Lead across teams to align auction, ML, platform, and product decisions.
• Ensure high availability and reliability of production services, with on-call rotations.
• Mentor engineers and set engineering standards, modeling best practices.

Skills

Backend architecture

Distributed systems

Go

Java

Observability

Data streaming

Mentorship

Cross-team collaboration

Tools

gRPC

Job description

Unity is seeking a Staff Backend Engineer to lead Offer Delivery, the backend service driving which offers players see in real time. You will define architecture, drive delivery, and oversee targeting, pacing, and supply-side rules across critical systems in a fast-growing ad/monetization platform.

You’ll work with Go and Java services, real-time bidding and direct placements, and collaborate with ML teams to push ranking improvements into production while mentoring across teams.