Staff Backend Engineer, ML Inference Systems
Unity Technologies•Mountain View, CA
About The Position
The Vector Gamer AI team at Unity is seeking a Staff Backend Engineer to build and operate the infrastructure that powers large-scale machine learning models for ad ranking and bidding decisions. This role involves designing and operating distributed systems that handle billions of daily decisions, with a strong focus on the performance, reliability, and scalability of inference systems. The engineer will contribute to how gaming experiences are discovered, monetized, and how creators are rewarded.
Requirements
- 5+ years designing, deploying, and maintaining distributed systems at scale
- Expertise in Golang for building high-performance, low-latency backend infrastructure
- Hands-on experience with cloud infrastructure on GCP and workload orchestration with Kubernetes
- Strong grounding in monitoring and observability tooling, including Prometheus and Grafana
- Experience in ad tech, recommender systems, real-time personalization, or other performance-critical domains
- Familiarity with microservice architectures, containerization (Docker), and CI/CD best practices
- Familiarity with machine learning platforms, workflows, and serving infrastructure
Nice To Haves
- Experience with ML inference servers like NVIDIA Triton Inference Server.
- Familiarity with auction mechanics or bidding systems in an ad tech context.
- Experience embracing AI as a strategic advantage in engineering, following established best practices for code quality and security.
Responsibilities
- Design, develop, and deploy production-grade backend services and distributed systems powering large-scale online model inference at billions of daily requests
- Drive technical direction of our inference platform, with a focus on low-latency, high-throughput serving infrastructure
- Partner with ML engineers to ensure online serving infrastructure scales with growing model complexity and inference volumes, without compromising latency or throughput
- Ensure the reliability, scalability, and efficiency of our systems in production using monitoring and observability tools like Prometheus and Grafana.
- Manage and optimize cloud infrastructure on GCP, orchestrating workloads with Kubernetes across a high-scale production environment
- Promote and implement best practices for backend service development, testing, deployment, and monitoring (DevOps, SRE).
Benefits
- Comprehensive health, life, and disability insurance
- Commute subsidy
- Employee stock ownership
- Competitive retirement/pension plans
- Generous vacation and personal days
- Support for new parents through leave and family-care programs
- Office food snacks
- Mental Health and Wellbeing programs and support
- Employee Resource Groups
- Global Employee Assistance Program
- Training and development programs
- Volunteering and donation matching program
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
