Staff Software Engineer, Python

Role overview

Staff Software Engineer (Python) on the Planning team within SiriusXM’s Ad Sales Product Engineering organization. You will define and drive the technical direction of ad buying systems and architect cloud-native backend services for large-scale ad delivery and campaign planning.

Responsibilities

• Lead design and development of scalable, maintainable services for ad buying workflows.
• Architect and evolve the Slingshot platform toward modern, cloud-native paradigms.
• Own end-to-end execution: design → implementation → deployment → monitoring → performance optimization.
• Collaborate with Product, Data Engineering, DevOps, and SRE to deliver integrated ad buying capabilities.
• Partner with data, UI, billing, and ad trafficking teams to optimize workflows via intelligent automation.
• Champion observability, reliability, and operational excellence (e.g., Datadog, Grafana) and modern CI/CD practices.
• Mentor engineers and promote technical rigor, inclusion, and continuous improvement.
• Influence long-term architecture and technology strategy aligned to the ad tech roadmap.

Requirements

• 7+ years of professional software engineering experience, including 2+ years in a Staff (or equivalent senior technical leadership) capacity.
• Strong expertise in Python using frameworks such as Django or FastAPI; solid backend architecture skills (e.g., microservices).
• Hands-on experience with distributed systems and data pipelines, including Kafka and Celery or Airflow.
• Experience with ad serving/delivery platforms (e.g., Google Ad Manager, AdsWizz, Triton).
• Deep familiarity with AWS, Kubernetes, and infrastructure automation.
• Proficiency with observability tools (Datadog, Sentry, Grafana) and CI/CD workflows.
• Track record of leading cross-team technical initiatives, mentoring, and influencing large-scale architecture.

Nice-to-haves

• Bachelor’s or Master’s degree (mentioned but not fully captured in the posting).