Staff Software Engineer, Python

Who We Are:

SiriusXM and its brands (Pandora, SiriusXM Media, AdsWizz, Simplecast, and SiriusXM Connect) are leading a new era of audio entertainment and services by delivering the most compelling subscription and ad-supported audio entertainment experience for listeners -- in the car, at home, and anywhere on the go with connected devices. Our vision is to shape the future of audio, where everyone can be effortlessly connected to the voices, stories and music they love wherever they are.

This is the place where a diverse group of emerging talent and legends alike come to share authentic and purposeful songs, stories, sounds and insights through some of the best programming and technology in the world. Our critically-acclaimed, industry-leading audio entertainment encompasses music, sports, comedy, news, talk, live events, and podcasting. No matter their individual role, each of our employees plays a vital part in bringing SiriusXM’s vision to life every day.

SiriusXM Media is the gateway for marketers to the largest digital audio advertising ecosystem in North America. As the combined advertising revenue organization of Sirius XM Holdings Inc., SiriusXM Media spans across leading owned and operated audio platforms Pandora and SiriusXM; innovative ad tech solutions powered by AdsWizz; sonic creative consultancy Studio Resonate; and an extended content network featuring exclusive monetization agreements with Audiochuck, NBCUniversal, SoundCloud, and many more. Reaching more than 150 million listeners each month, SiriusXM Media delivers audiences the tailored brand experiences they crave while putting creators first, making it easy for every marketer to produce, plan, buy and measure across its entire audio universe.

How you’ll make an impact:

As a Staff Software Engineer on the Planning team within SiriusXM’s Ad Sales Product Engineering organization, you’ll define and drive the technical direction of our ad buying systems. You’ll architect resilient, cloud-native backend services that power large-scale ad delivery and campaign planning tools across the SiriusXM and Pandora ecosystem. Beyond building systems, you’ll shape engineering practices — leading modernization, scalability, and reliability initiatives that move our ad tech platforms forward.

What you’ll do:

• Lead the design and development of scalable, maintainable services that power ad buying and the complicated parts to it.
• Architect and evolve the Slingshot platform toward modern and cloud-native paradigms.
• Drive end-to-end execution — from design and implementation to deployment, monitoring, and performance optimization.
• Collaborate cross-functionally with Product, Data Engineering, DevOps, and SRE to deliver high-impact, integrated ad buying capabilities.
• Partner with data, UI, billing, and ad trafficking teams to optimize end-to-end ad buying workflows through intelligent automation.
• Champion observability, reliability, and operational excellence using Datadog, Grafana, and modern CI/CD practices.
• Mentor engineers across teams, fostering a culture of technical rigor, inclusion, and continuous improvement.
• Influence long-term architecture and technology strategy, aligning with SiriusXM’s broader ad tech roadmap.

What you’ll need:

• 7 years of professional software engineering experience, including 2 years in a Staff or equivalent senior technical leadership role.
• Expertise in Python (Django, FastAPI, or similar frameworks) and backend architecture (e.g. microservices).
• Strong foundation in distributed systems and data pipelines, with hands-on experience in Kafka, Celery, or Airflow.
• Experience with ad serving or delivery platforms (e.g., Google Ad Manager, AdsWizz, Triton). Nice to have
• Deep familiarity with AWS, Kubernetes, and infrastructure automation.
• Proficiency with observability tools (Datadog, Sentry, Grafana) and CI/CD workflows.
• Demonstrated success leading cross-team technical initiatives, mentoring engineers, and influencing large-scale architecture.
• Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent experience.
• Must have legal right to work in the U.S.

Our goal at SiriusXM is to provide and maintain a work environment that fosters mutual respect, professionalism and cooperation. SiriusXM is an equal opportunity employer that does not discriminate on the basis of actual or perceived race, creed, color, religion, national origin, ancestry, alienage or citizenship status, age, disability or handicap, sex, gender identity, marital status, familial status, veteran status, sexual orientation or any other characteristic protected by applicable federal, state or local laws.

The requirements and duties described above may be modified or waived by the Company in its sole discretion without notice.