Staff Backend Developer, U-Ads

The opportunity
Unity is looking for a Staff Backend Developer to join our Unity Ads team where we build the real-time systems that power Unitys 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. Our backend infrastructure is designed for reliability and scalability ensuring seamless ad delivery and optimal performance even under heavy traffic. As part of the team you will work on distributed systems that handle real-time ad requests impression tracking and user data analytics with strict requirements for uptime and security. Youll play a critical role in optimizing performance maintaining service availability and supporting the development of new monetization features for game developers worldwide. Security data privacy and a positive user experience are central to everything we build.

Youll help modernize the legacy tech stack and the core services behind ad delivery bidding reporting and analytics. This is a great opportunity for an engineer whos excited to work on performance-critical systems collaborate across teams and grow in a fast-paced environment all at a turning point in the company.

What youll be doing

• Design build and modernise backend services and APIs that support ad delivery
• Work on scalable high-availability systems used across Unitys 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

What were looking for

• 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

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
• Work visa/immigration sponsorship is not available for this position

Life at Unity

Unity NYSE: U is the worlds leading game engine powering play for more than 3 billion consumers each month. The top mobile games in the world the most played PC indie titles the most innovative console games and virtually all of the top XR and Web Games are developed deployed and grown in Unity. Unity also enables teams across industries like automotive manufacturing and healthcare to design simulate and collaborate in 3D closing the gap between ideas and reality. For more information please visit .

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive innovative environment and celebrate our employees across age race color ancestry national origin religion disability sex gender identity or expression sexual orientation or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers partners and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience please fill out this form to let us know.

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.

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