Staff Backend Software Engineer

The opportunity
Unity LevelPlay is a leading mediation platform that empowers app developers to optimize ad revenue by seamlessly connecting their apps to multiple ad networks.

At the core of LevelPlay the LevelPlay Infra team is responsible for the mission-critical real-time in-app bidding system which serves billions of ad auction requests per day.

We are looking for an experienced and passionate Staff Backend Software Engineer

to join a rapidly growing this role you will lead the design and evolution of our large-scale real-time infrastructure that powers global in-app advertising.

Youll tackle complex engineering challenges and drive the design of systems built for massive scale reliability and performance. As a hands-on technical leader youll influence architecture and implementation decisions that define the future of LevelPlays infrastructure.

This is a great opportunity for experienced professionals who have a strong background in backend development and a deep understanding of large-scale distributed systems. If youre passionate about tackling complex technical challenges and building products that reach a massive global audience this role is for you.

What youll be doing

• Lead the design and development of large-scale low-latency high-throughput systems that power real-time ad bidding and delivery.
• Define and drive technical strategy and long-term architecture for LevelPlays core infrastructure.
• Collaborate cross-functionally with product data and ad network integration teams to deliver impactful solutions that scale globally.
• Mentor and guide engineers fostering a culture of technical excellence ownership and continuous improvement.
• Investigate and resolve complex system challenges optimizing performance reliability and cost efficiency.

What were looking for

• 8 years of experience in software engineering with significant experience in distributed systems real-time systems or high-scale backend infrastructure i.e message queue technologies (e.g. Kafka Kinesis SQS) and key-value databases (e.g. Aerospike Redis).
• Proven track record of technical leadership setting architectural direction mentoring engineers and leading projects end-to-end.
• Strong proficiency in Java Scala Go or similar languages and experience working in JVM-based production environments.
• Deep understanding of system design concurrency performance tuning and data pipelines.
• Experience with cloud infrastructure (AWS GCP or similar) and modern DevOps practices.
• Excellent communication and collaboration skills; ability to influence technical and product decisions across teams.

You might also have

• Understanding of distributed stream processing and having experience with Flink Spark Streaming etc
• Background in observability distributed tracing and performance analytics.
• Previous ad-tech experience

Additional information

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

Life at Unity
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 1000 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.

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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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