Principal Software Engineer

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 where a diverse group of emerging talent and legends 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. Regardless of their role, each of our employees is vital in bringing SiriusXM’s vision to life daily. SiriusXM Media is the gateway for marketers to North America's most prominent digital audio advertising ecosystem. As the combined advertising revenue organization of SiriusXM 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, NBC Universal, 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. About AdsWizz AdsWizz, a subsidiary of SiriusXM, is the leading global provider of digital audio and podcast advertising solutions. AdsWizz is the underlying monetization solution for well-known music platforms, podcasts, and broadcasting groups worldwide, giving advertisers of all sizes unprecedented access to premium and niche audio content. Through dynamic ad insertion, advanced programmatic platforms, and innovative audio formats, AdsWizz efficiently connects buyers and sellers for digital audio and podcast advertising. AdsWizz is a global company with a presence in over 40 countries and a Technology Development Hub in Bucharest, Romania. How you’ll make an impact: As a Principal Software Engineer , you will be a senior technical leader on the Audience Insights team, building the systems that power realtime audience augmentation, identity-aware targeting, contextual/content analysis, and large-scale batch data processing across the AdsWizz advertising platform. You will help guide architecture and design across low-latency services, high-throughput data stores, event-driven workflows, and batch enrichment pipelines, partnering with other senior technical leaders to improve performance, reliability, privacy, and operational excellence. ​ What you’ll do: Design and build high-performance audience intelligence systems that support realtime ad targeting, augmentation, and activation across the AdsWizz platform. Evolve low-latency services, APIs, protocols, and data access layers backed by high-throughput stores such as Aerospike. Lead architecture for batch and streaming data workflows using technologies such as Kafka/MSK, SQS, S3, Parquet, PySpark, Go, Rust, and C++. Translate privacy, consent, and governance requirements into robust engineering designs for safe handling of listener identity and audience data. Partner with product, data, operations, and infrastructure teams to align technical architecture with business goals and production reliability. Work with various teams of engineers building software in a collaborative development process. Execute tasks with utmost clarity and precision, demonstrating a strong sense of ownership and providing clear direction to drive projects forward effectively. Collaborate with the Product team to clarify