Staff Software Engineer, User Understanding

Unity Technologies•San Francisco, CA

About The Position

Unity is looking for a Staff Software Developer to join our Vector 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. You'll help build the core services to understand gamer behavior and closely collaborate with the machine learning team to deliver optimized ad experience to millions of gamers. This is a great opportunity for an engineer who's excited to work on performance-critical systems, collaborate across teams, and grow in a fast-paced environment.

Requirements

Experience building backend services at scale
Proficiency in Golang and Google Cloud
Familiarity with cloud infrastructure and observability tools (Kubernetes, Ray, etc.)
Understanding of API design, distributed systems, and system reliability

Nice To Haves

Experience in ad tech, programmatic advertising, or real-time bidding systems
Background with infrastructure-as-code (e.g., Terraform)
Familiarity with networking, caching, graph database, or real-time data pipelines

Responsibilities

Design, build, and maintain backend services and APls that support ad delivery and gamer understanding
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 backend systems
Contribute to architectural decisions and technical direction of the platform