Backend Engineer, Ads

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• 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.

• 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.

• 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.

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

We offer a wide range of benefits designed to support employees' well‑being and work‑life balance. You can read more about them on our career page.

Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.

As of the third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, Made with Unity applications had an average of 3.7 billion downloads per month. 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.

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.

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Salary: $202,800–$304,200 USD

Mid‑Senior level

Full‑time

Engineering and Information Technology

Software Development

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