Remote, British Columbia, Canada RemoteEst. $153K – $230K
Posted May 25, 2026
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 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. 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. You'll 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. You’ll 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 who’s 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 you'll be doing
Design, build, and modernise 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 current backend systems, modernising the legacy stack
Contribute to architectural decisions and technical direction of the platform
What we're 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 world’s 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 www.unity.com. 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 outthis formto 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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*Note: Certain locations require a good faith disclosure of the base salary range for the role. The actual salary for the successful candidate may differ based on location, experience, and other job-related factors.
