Software Engineer, Backend, Level 5 - Ads Delivery

We're looking for a Backend Engineer to join Snap Inc. within our Ads Delivery Platform team.

- Design, implement, and operate our ads delivery infrastructure and services. Own critical serving-time systems and business logic that enable reliable, scalable, and efficient ad delivery.

- Partner closely with Product, Data Science, ML, and Infrastructure teams to translate product vision into scalable technical solutions, driving end-to-end execution from concept to launch and ongoing optimization.

- Design, test, debug, and maintain high-quality production systems, leveraging observability, experimentation, and automation to ensure robust and resilient services.

- Champion best practices in distributed systems, availability, scalability, operational excellence, security, and infrastructure efficiency while helping evolve the long-term architecture of the ads delivery platform.

- Utilize AI tools and high velocity engineering workflows to design and ship scalable services while upholding rigorous standards for code correctness, security, and production ready quality code

- Proven track record of operating highly-available systems at significant scale

- Experience with NoSQL solutions, Memcache/Redis, Kubernetes, or Google/AWS services

- You can independently execute on medium sized features, taking a few weeks and multiple PRs to complete

- You understand the operational aspects of your system and may participate in incident or hotfix investigation and resolution

- Proficiency in, or a strong aptitude for, leveraging AI tools to streamline development, paired with the critical judgment to audit generated output for architectural integrity, performance bottlenecks, and security risks.

- Adaptability in learning and applying evolving AI systems and tools to remain at the forefront of engineering trends and modern development practices

- Bachelor's Degree in a relevant technical field such as computer science or equivalent years of practical work experience

- 6+ years of post-Bachelor's software development experience; or Master's degree in a technical field + 5+ year of post-grad software development experience; or PhD in a relevant technical field + 2+ years of post-grad software development experience

- Experience building ad delivery, recommendation, marketplace auction, search, retrieval, or other high-throughput online serving systems.

- Experience supporting multiple product surfaces through shared backend platforms and frameworks.

- Familiarity with ads concepts, including ad serving, targeting, frequency capping, auctions, bidding systems, pacing, or campaign optimization.

- Experience improving system efficiency, infrastructure utilization, and cost-performance tradeoffs at scale.

- Experience leveraging AI-assisted development tools and modern engineering workflows to improve engineering productivity and software quality.

Zone A (CA, WA, NYC) : The base salary range for this position is $209,000-$313,000 annually.

Zone B : The base salary range for this position is $199,000-$297,000 annually.

Zone C : The base salary range for this position is $178,000-$266,000 annually.