Senior Backend Developer

The opportunityJoin our team working on an advanced ad-serving platform that powers millions of real-time interactions every second. As a Senior Backend Developer, you’ll play a key role in designing, developing, and maintaining a high-performance system that supports critical functionalities like targeting, attribution, budget management, and data pipelines for machine learning and reporting.
You’ll be expected to lead impactful projects, drive improvements in performance, scalability, and system reliability, and help shape solutions that directly influence the success of a globally recognized platform. We value bottom-up initiatives and encourage team members to bring their ideas to the table, fostering innovation and collaboration.

Why You'll Love This Role:

• Take ownership of major projects and core features with significant business impact.


• Work alongside skilled engineers in a fast-paced, high-scale environment.


• Tackle challenging technical problems using cutting-edge tools like Kafka and Aerospike.

What you'll be doing

• Design, develop, and monitor new features for the platform, including components supporting targeting, attribution, and budget management.


• Maintain and optimize the performance of critical backend systems.


• Refactor and improve legacy code to ensure scalability and efficiency.


• Lead efforts to guarantee system reliability and low latency in a high-concurrency environment.


• Collaborate with peers and across teams to deliver high-quality, production-ready solutions.

What we're looking for

• Proficiency in backend development with Scala (highly preferred) or Java.


• Strong understanding of distributed systems and real-time, high-concurrency applications.


• Experience with Kafka and other streaming/messaging systems.


• Extensive experience debugging and optimizing high-scale production environments.


• Proven ability to design and build backend systems focused on performance and scalability.

You might also have

• Hands-on experience with Aerospike or other NoSQL databases.


• Familiarity with Kubernetes or container orchestration tools.


• Knowledge of functional programming paradigms.


• If you're looking for a role where you can contribute meaningfully, tackle exciting challenges, and work with a friendly, professional team that values collaboration and expertise, we’d love to hear from you!

Additional information

• Relocation support is not available for this position.


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

Life at UnityUnity [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.

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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