Software Development Engineer II, Advertising Technology

Why Join Us?

Our team encourages an inclusive culture where everyone feels we belong and our differences are celebrated. We provide a full benefits package, including travel perks, generous time‑off, parental leave, a flexible work model, and career development resources.

Software Development Engineer II – primarily backend focused (70‑80%) with some frontend (20‑30%) on a React customer‑facing portal.

• Design, build, test, and maintain scalable backend services and APIs that power the advertiser portal and third‑party integrations.
• Contribute to a unified ads platform, delivering reusable capabilities across products.
• Own features and services end‑to‑end—from design and implementation to deployment and operational support.
• Apply strong coding fundamentals to deliver high‑quality, maintainable, and extensible solutions.
• Participate in system design, low‑level design, API design (including GraphQL), and data modeling.
• Build customer‑facing features (primarily backend‑driven, with some React frontend contributions).
• Drive improvements in scalability, performance, and reliability for high‑traffic advertiser systems.
• Collaborate with engineering, product, operations, and globally distributed teams to translate business needs into technical solutions.
• Troubleshoot production issues and improve system health through monitoring, debugging, automation, and observability practices.
• Write secure, well‑tested code, participate in code reviews, and follow engineering best practices.
• Leverage AI‑enabled solutions and AI‑assisted development tools to improve developer productivity and product outcomes.

• Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 3+ years of software development experience building and supporting production systems and services.
• Strong foundation in data structures, algorithms, and core computer science fundamentals.
• Experience owning components or services, including implementation, testing, deployment, and operational support.
• Experience designing and building scalable backend systems and APIs.
• Proficiency in one or more of the following:
  Java, Kotlin (or ability to ramp quickly), and familiarity with React.
• Experience with API design and consumption, including REST and/or GraphQL.
• Experience working across multiple technical systems or services, with the ability to debug and deliver maintainable solutions.

• Experience building software for advertising technology, marketplaces, or other high‑scale distributed systems.
• Experience with event streaming or messaging systems (e.g., Flink, Kafka, or similar real‑time data processing technologies).
• Experience contributing to architecture and design discussions for services, APIs, and data models.
• Demonstrated ability to improve service quality through performance tuning, observability, and automation.
• Experience using metrics and data to inform engineering decisions and measure impact.
• Familiarity with AI‑driven systems and/or AI‑assisted development tools (e.g., Git Hub Copilot, Claude).
• Experience building customer‑facing features, including frontend development with React.
• Background working on large‑scale, high‑throughput systems or platforms.

• A strong sense of ownership, with a track record of delivering solutions end‑to‑end.
• Ability to collaborate effectively across teams and contribute to a highly collaborative engineering culture.
• Passion for building scalable, high‑performance systems and improving the developer and customer experience.
• Interest in solving complex problems in a fast‑growing, high‑impact area of the business.

Seattle, WA – employees must be in the office at least three days a week. There is no relocation assistance for this role.

The total cash range for this position in Seattle is $119,000 to $166,500, with potential to increase up to $190,500 based on performance.

If you need assistance with any part of the application or recruiting process due to a disability or other physical or mental health condition, please reach out to our…