
Staff Backend Engineer - Ads
1w1 week agoUnity
San Francisco, US · Full-time · $280,000 – $380,000
About this role
Unity is looking for a Staff Backend Engineer to join our Unity Ads team, where we build the real-time systems that power Unity’s global advertising platform. This is a high-scale, low-latency environment processing billions of requests daily to deliver fast, relevant ads to players around the world. Backend infrastructure ensures reliability, scalability, and seamless ad delivery under heavy traffic.
Work on distributed systems that handle real-time ad requests, impression tracking, and user data analytics with strict requirements for uptime and security. Play a critical role in optimizing performance, maintaining service availability, and supporting new monetization features for game developers worldwide. Security, data privacy, and positive user experience are central to everything we build.
Collaborate with engineers, product managers, and data teams in a remote-first environment. Help modernize the legacy tech stack and core services behind ad delivery, bidding, reporting, and analytics. Work on performance-critical systems in a fast-paced setting at a company turning point.
Grow by contributing to architectural decisions and technical direction of the platform. Improve performance, observability, and cost-efficiency of backend systems. Join a team focused on scalability across Unity’s ads ecosystem.
Requirements
- Experience building backend services at scale
- Proficiency in Golang, and relational databases (e.g., MySQL)
- Familiarity with cloud infrastructure and observability tools (Kubernetes, Ray, etc.)
- Understanding of API design, distributed systems, and system reliability
- Strong collaboration and communication skills in a remote-first team environment
Responsibilities
- Design, build, and modernise backend services and APIs that support ad delivery
- Work on scalable, high-availability systems used across Unity’s ads ecosystem
- Collaborate with engineers, product managers, and data teams to deliver new features
- Improve performance, observability, and cost-efficiency of current backend systems, modernising the legacy stack
- Contribute to architectural decisions and technical direction of the platform
Benefits
- Remote-first team environment
- Wide range of benefits designed to support employees' well-being and work-life balance
- Inclusive, innovative environment
- Equal opportunity employer committed to fostering diversity
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