Staff Software Engineer (Data & ML)

The opportunity
At Unity were building a world-class advertising platform that operates at a massive global scale. The Ads team powers the systems that connect advertisers with creators and players driving performance reliability and growth across our ecosystem.

As a Staff Software Engineer on the Feature Platform team youll play a critical role in building the infrastructure that powers machine learning experimentation and optimization across our ads ecosystem. Youll design and operate the systems that transform high-volume event data into production-grade feature datasets used for bidding attribution and ranking working at the intersection of distributed systems platform engineering and ML infrastructure.

This role goes beyond data processing. Youll own the full software lifecycle of pipeline systems from architecture and implementation through to reliability observability and performance at scale collaborating closely with ML backend and product teams to build durable high-quality infrastructure that supports both offline training workflows and online feature serving.

This role is ideal for someone who enjoys owning complex systems end-to-end thinking deeply about correctness and scalability and building software that other engineering teams depend on.

What youll be doing

• What Youll Be Doing
• Design build and operate scalable production-grade data pipeline systems and curated feature datasets powering ads optimization and ML
• Own end-to-end offline data flows from raw event ingestion to feature-ready datasets with strong emphasis on correctness reproducibility and SLA compliance
• Develop and maintain large-scale batch and streaming systems (Python / Java / SQL) with a strong focus on performance cost-efficiency and reliability
• Build and contribute to our Feature Store platform including integration with the high-throughput online serving layer (Go-based services)
• Translate complex product and monetization logic into well-engineered extensible systems serving analytics and machine learning use cases
• Drive improvements in observability testing frameworks and quality standards across the platform
• Lead architectural decisions and engineering best practices within the Feature Platform team

What were looking for

• Strong software engineering fundamentals with deep experience designing and operating large-scale distributed systems in production
• Hands-on experience building production-grade ETL/ELT pipelines using Python Java SQL or similar technologies
• Experience with distributed processing frameworks such as Spark or Flink in both batch and streaming modes including performance tuning and parallel computation
• Understanding of how offline data systems integrate with online serving layers feature stores low-latency APIs and real-time systems
• Experience with cloud-native environments containerized systems Kubernetes and workflow orchestration tools
• Strong ownership mindset focused on correctness observability and long-term maintainability
• Experience with Go is a plus particularly for collaboration on high-throughput feature serving services

You might also have

• Experience with ML infrastructure feature stores or model training pipelines
• Background in ads attribution or monetization systems
• Familiarity with experimentation and metrics infrastructure
• Exposure to high-scale backend or platform engineering

Additional information

• Relocation support is not available for this position

Gross pay annually Mountain View SF/Bay: $244500 - $317800
Gross pay annually Bellevue Seattle: $217500 - $282700

This range reflects the anticipated base salary for this position. Beyond base salary this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors including geographic location and the candidates relevant experience professional background and skill set.

Benefits

At Unity we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.

Please note: Benefits eligibility specific offerings and coverage vary based on the country and employment status.

While specific benefits vary here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health life and disability insurance Commute subsidy Employee stock ownership Competitive retirement/pension plans Generous vacation and personal days Support for new parents through leave and family-care programs Office food snacks Mental Health and Wellbeing programs and support Employee Resource Groups Global Employee Assistance Program Training and development programs Volunteering and donation matching program

Life at Unity

Unity NYSE: U is the worlds 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 .

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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