Senior Principal Software Engineer

Overview SiriusXM and its brands (Pandora, SiriusXM Media, AdsWizz, Simplecast, and SiriusXM Connected Vehicle Services) 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. 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 Senior Principal Software Engineer, you will join a highly performing team of engineers who architect, and design ad-delivery services that are robust, scalable and secure. You will collaborate with cross-continent teams and execute initiatives while providing insights so AdsWizz technology infrastructure evolves with business objectives. What You’ll Do Design and build high-performance, stable, scalable AdsWizz systems that will be deployed in an enterprise setting. Define and execute technology roadmap for AdsWizz’s Supply Side Platform, and Demand side Platform. Stay updated on the latest IAB standards for Ad Serving ecosystems, like oRTB, VAST, and adopt them onto AdsWizz services. Develop and maintain enterprise architecture frameworks that guide the technology investments across AdsWizz. Lead high-level architecture discussions and planning sessions. Collaborate with senior leadership to ensure that the AdsWizz’s technology roadmap aligns with its strategic objectives. Work with various teams of engineers building software in a collaborative development process. Execute tasks with clarity and ownership, providing clear direction to drive projects forward effectively. Serve as a mentor, foster a collaborative environment and guide team members by being honest and direct. Collaborate with the Product team to clarify the scope of the projects. Collaborate with the Dev/Cloud Operations teams to ensure flawless production deployments and support the Incident Management team. Closely collaborate with the AdsWizz ad delivery lead to align US and RO ad delivery teams on common goals to unify our ad delivery stack and services. Contribute to the growth of various teams by participating in interviewing and recruiting activities. What You’ll Need Bachelor’s or Master’s Degree in Computer Science/Mathematics or a similar field. 12+ years of software engineering experience in Java (preferably latest version of JDK). 7+ years of experience crafting microservices and scalable products, utilizing diverse cloud platforms, ideally AWS. Proficient in implementing industry best practices and design patterns tailored for microservices-driven applications. Strong technical expertise in the following areas: REST API-based microservices using SpringBoot / Dropwizard and Hibernate. Developing microservices that are large scale, high availability with circuit breakers & fault tolerant design. Designing and maintaining Public APIs, with best practice version control, and backwards compatibility. IAB defined protocols like oRTB, VAST. Relational Databases (MariaDB/MySQL); NoSQL knowledge is a plus (e.g., Druid, DynamoDB, MongoDB). Caching (Redis, Memcached, etc.). Messaging platforms (Kafka, AWS EventBridge). Security basics (OAuth2). Containers (Docker, Kubernetes). AWS services (S3, Lambda, API Gateway, ElasticCache, CloudTrail, Athena, Kinesis, SQS, EKS, Cognito). Automated integration testing frameworks (Wiremock, Cucumber, Playwright). Observability tools (Prometheus, Grafana, ELK stack). Collaboration tools (Lucidchart, Jira, Confluence). Expertise in digital ad serving concepts like forecasting, pacing models, real-time bidding. Experience with advertising protocols like openRTB and related data models. Strong understanding of software engineering processes, lifecycle methodology, configuration management, release management, and testing. Ability to work independently and oversee projects or significant parts, delivering on time. Ability to collaborate across time zones and negotiate design tradeoffs. Ability to communicate progress of large initiatives to senior leadership. Proven ability to research and become proficient in new technologies. Experience identifying and debugging performance bottlenecks. Good understanding of RESTful API design, API security, versioning and management best practices. Strong analytical and problem-solving skills and attention to detail. Proficiency in constructing detailed software architecture diagrams. Interpersonal skills to interact with staff at all levels. Must have legal right to work in the U.S. At SiriusXM, we carefully consider a wide range of factors when determining compensation, including your background and experience. These considerations can cause your compensation to vary. The base salary for this position is expected to be in the range of $173,700 to $250,000 and will depend on your skills, qualifications, and experience. Additionally, this role might be eligible for discretionary short-term and long-term incentives. We encourage all interested candidates to apply. 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. R-2025-07-9 #J-18808-Ljbffr

Created: 2025-09-17