Senior SDK Engineer, Unity Ads (Full-Stack)

Unity Technologies•New York, NY

10h

About The Position

We are hiring a Senior SDK Engineer to join as a senior individual contributor on the Ad Unit team. You will own end-to-end ad features that span ad unit logic, mobile SDK integration, and event gateway services. This is a chance to work at the exciting intersection of SDK development, machine learning, and data infrastructure. Join us to create innovative solutions that propel advertising technology forward, impacting billions of global ad experiences while ensuring privacy and compliance.

Requirements

Experience working on Ads platforms, monetization systems, or real-time client-facing services.
Strong proficiency in Go
Familiarity with high-throughput event ingestion services, queues, or streaming systems.
Prior experience integrating mobile SDKs with backend services, especially in performance-sensitive environments.
Familiarity with gateway or API-layer services that serve multiple client types.
Experience operating in large, mature codebases with a focus on stability and maintainability.

Responsibilities

Act as a senior individual contributor on the Ad Unit team, owning end-to-end ad features that span ad unit logic, mobile SDK integration, and event gateway services.
Work closely with the SDK team to ensure reliable, performant event generation and delivery from client-side SDKs to backend systems.
Design and implement end-to-end ad features, coordinating changes across ad unit rendering, native SDKs, and backend APIs.
Partner with backend teams to design and evolve gateway APIs.
Ensure features are implemented with strong attention to latency, error handling, and reliability, especially for client-facing flows.
Proactively improve existing systems, abstractions, and development practices to reduce complexity and enable faster iteration.
Exercise sound technical judgment when balancing UX requirements, backend complexity, performance, and delivery timelines.
Collaborate closely with product managers, frontend engineers, SDK engineers, backend teams, and QA to drive features from concept through release.
Participate actively in design and code reviews, contributing to overall engineering quality and cross-team alignment.