Senior Software Developer

Company: Unity Software
Location: San Diego
Posted on: January 12, 2026

Job Description:

Unity is looking for a Senior 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 behind ad delivery, bidding, reporting, and analytics. 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. What youll be doing • Design, build, and maintain 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 backend systems • Contribute to architectural decisions and technical direction of the platform What were looking for • 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 You might also have • Experience in ad tech, programmatic advertising, or real-time bidding systems • Background with infrastructure-as-code (e.g., Terraform) • Familiarity with networking, caching, or real-time data pipelines Additional information • Relocation support is not available for this position

Keywords: Unity Software, Vista , Senior Software Developer, IT / Software / Systems , San Diego, California