Sirius XM
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. What You’ll Do
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. 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 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 precision, demonstrating ownership and providing clear direction to drive projects forward effectively. Mentor team members, foster a collaborative environment and guide others by being honest and direct. Collaborate with the Product team to clarify the scope of 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 keep US and RO ad delivery teams aligned on common goals to unify the 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 programming language (preferably latest version of JDK). 7+ years of experience crafting microservices and scalable products on diverse cloud platforms, ideally AWS. Proficient in implementing industry best practices and design patterns for microservices-driven applications. Strong technical expertise in the following areas: REST API-based microservices using SpringBoot / Dropwizard and Hibernate. Developing large-scale, highly available microservices with circuit breakers and fault-tolerant design. Designing and maintaining Public APIs with version control and backwards compatibility. IAB defined protocols like oRTB, VAST. Relational databases (preferably MariaDB or MySQL); NoSQL knowledge is a plus (e.g., Druid, DynamoDB, MongoDB). Caching implementations (Redis, Memcached, etc.). Messaging platforms (Kafka, AWS EventBridge). Security basics (OAuth2). Working with containers (Docker, Kubernetes). AWS Cloud Services (S3, Lambda, API Gateway, ElasticCache, CloudTrail, Athena, Kinesis, SQS, EKS, Cognito, etc.). Automated integration testing frameworks and tools (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-related protocols like OpenRTB and related data models. Strong understanding of engineering processes, lifecycle methodology, configuration management, release management, and testing. Ability to work independently and oversee entire projects or significant parts, focusing on timely delivery. Ability to collaborate with cross-time-zone teams and negotiate design tradeoffs based on organizational goals. Ability to communicate progress to senior leadership and collaborate across functions. Proven ability to research and learn new technologies quickly. Experience identifying and debugging performance bottlenecks. Good understanding of RESTful API design, API security, and API versioning and management best practices. Strong analytical and problem-solving skills with attention to detail and continuous improvement mindset. Proficiency in constructing detailed software architecture diagrams. Interpersonal skills and ability to work 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. 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. This role may 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 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
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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. What You’ll Do
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. 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 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 precision, demonstrating ownership and providing clear direction to drive projects forward effectively. Mentor team members, foster a collaborative environment and guide others by being honest and direct. Collaborate with the Product team to clarify the scope of 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 keep US and RO ad delivery teams aligned on common goals to unify the 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 programming language (preferably latest version of JDK). 7+ years of experience crafting microservices and scalable products on diverse cloud platforms, ideally AWS. Proficient in implementing industry best practices and design patterns for microservices-driven applications. Strong technical expertise in the following areas: REST API-based microservices using SpringBoot / Dropwizard and Hibernate. Developing large-scale, highly available microservices with circuit breakers and fault-tolerant design. Designing and maintaining Public APIs with version control and backwards compatibility. IAB defined protocols like oRTB, VAST. Relational databases (preferably MariaDB or MySQL); NoSQL knowledge is a plus (e.g., Druid, DynamoDB, MongoDB). Caching implementations (Redis, Memcached, etc.). Messaging platforms (Kafka, AWS EventBridge). Security basics (OAuth2). Working with containers (Docker, Kubernetes). AWS Cloud Services (S3, Lambda, API Gateway, ElasticCache, CloudTrail, Athena, Kinesis, SQS, EKS, Cognito, etc.). Automated integration testing frameworks and tools (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-related protocols like OpenRTB and related data models. Strong understanding of engineering processes, lifecycle methodology, configuration management, release management, and testing. Ability to work independently and oversee entire projects or significant parts, focusing on timely delivery. Ability to collaborate with cross-time-zone teams and negotiate design tradeoffs based on organizational goals. Ability to communicate progress to senior leadership and collaborate across functions. Proven ability to research and learn new technologies quickly. Experience identifying and debugging performance bottlenecks. Good understanding of RESTful API design, API security, and API versioning and management best practices. Strong analytical and problem-solving skills with attention to detail and continuous improvement mindset. Proficiency in constructing detailed software architecture diagrams. Interpersonal skills and ability to work 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. 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. This role may 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 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
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