Unity Senior Backend Engineer AI Infrastructure 

United States, California, San Francisco 

865885426

What you'll be doing

• Design, build, and maintain backend services and APIs that support AI-powered game authoring tools
• Develop scalable, high-availability systems used across Unity’s ML and AI ecosystem
• Collaborate with engineers, data scientists, and product managers to deliver new features and ML-driven experiences
• Improve performance, reliability, observability, and cost-efficiency of backend systems
• Contribute to architectural decisions and technical direction of AI and backend platforms

What we're looking for

• Proven experience building backend services at scale
• Proficiency in C# / .NET
• Familiarity with cloud infrastructure and observability tools (e.g. Kubernetes, Grafana, etc.)
• Understanding of API design, distributed systems, and system reliability
• Strong understanding of software development best practices, a quality-first mentality and approach

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
• Exposure to ML infrastructure or LLM inference deployment
• Familiarity with Unity or similar 3D engines
• Familiarity with languages like Python, Golang

Additional information

• International relocation support is not available for this position.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Gross pay salary$135,800—$258,600 USD