Senior Backend Engineer

1 Month ago • 5 Years +

Job Summary

Job Description

As a Senior Backend Engineer, you will develop features in a high-scale, real-time environment, working on critical projects at the core of the revenue stream. You will propose and implement new ideas to enhance system functionality and performance, and help design and build robust and scalable solutions. This role involves working with cutting-edge technologies like Kafka, Aerospike, and Kubernetes to improve system performance, scalability, and reliability for the Unity/iAds ad-serving platform, which powers ads for millions of daily users. This is a great opportunity to deeply impact the business. The common language will be English in the workplace.
Must have:
  • 5+ years building large-scale systems
  • 2+ years with Scala, Java, or Go in backend development
  • Experience with Kafka in high-performance systems
  • Understanding of scalability, latency, and throughput
Good to have:
  • Knowledge of functional programming is a plus

Job Details

We’re looking for a skilled Scala developer with a strong background in distributed systems to join our team. You’ll be working on the core backend of Unity/iAds ad-serving platform, powering ads for millions of daily users.

In this role, you’ll help improve our system's performance, scalability, and reliability. You’ll work with cutting-edge technologies like Kafka, Aerospike, and Kubernetes, contributing to a platform that drives a significant part of the company's revenue.

This is an exciting opportunity to deeply impact our business, working within a team that sits at the heart of our backend systems.

What you'll be doing

  • Develop features in a high-scale, real-time environment.
  • Work on critical projects at the core of our revenue stream.
  • Propose and implement new ideas to enhance system functionality and performance.
  • Help design and build robust and scalable solutions.

What we're looking for

  • Proven Experience: 5+ years building large-scale systems.
  • Backend Development: 2+ years with Scala, Java, or Go.
  • Technical Expertise: Experience with Kafka in high-performance systems.
  • Performance Focus: A strong understanding of scalability, latency, and throughput.
  • Knowledge of functional programming is a plus.

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 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 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.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

Your privacy is important to us. Please take a moment to review our Prospect Privacy Policy and Applicant Privacy Policy. Should you have any concerns about your privacy, please contact us at DPO@unity.com.

#SEN #LI-AO1

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About The Company

Unity (NYSE: U) is the world’s leading platform for creating and operating real-time 3D (RT3D) content. Creators, ranging from game developers to artists, architects, automotive designers, filmmakers, and others, use Unity to make their imaginations come to life. Unity is the foundation upon which the world’s most powerful digital content is created. Specifically, Unity’s platform provides a comprehensive set of software solutions to create, run and monetize interactive, real-time 2D and 3D content for mobile phones, tablets, PCs, consoles, and augmented and virtual reality devices. 

In the fourth quarter of 2021, Unity had, on average, 3.9 billion monthly active end users who consumed content created or operated with its solutions. The applications developed by these creators were downloaded, on average, five billion times per month in 2021. For more information, please visit www.unity.com. 


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