Senior Staff Software Engineer

Sirius XM · Bucharest

Apply on the company website

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. 

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 Staff Software Engineer, you will be a senior technical leader in a high-performing team focused on building scalable backend systems, high-trust data products, and advanced reporting solutions that power SiriusXM’s and AdsWizz’s ad monetization platforms. You will lead architecture and design efforts across our data pipelines, services, and data APIs ensuring performance, reliability, and extensibility at scale.

What you’ll do:

• Design and build high-performance, stable, scalable AdsWizz data systems that will be deployed in an enterprise setting.

• Lead architecture reviews and technical planning sessions in close partnership with data and personalization product leadership counterparts to align systems design with business goals.

• 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 the scope of the projects by giving thoughtful feedback which challenges and clarifies requirements intent.

• Collaborate with the Global Operations and Cloud Infrastructure teams to ensure flawless production deployments and support the Incident Management team.

• Responsible for conducting technical interviews as needed, ensuring a consistently high bar for engineering excellence and performance standards.

• Responsible for mentoring/growing junior engineers.

What you’ll need:

• Bachelor’s Degree in Computer Science/Mathematics or a similar field.

• Solid understanding of engineering software processes, lifecycle methodology, configuration management, release management, and system verification and testing.

• Ability to work independently and oversee entire projects or significant parts, focusing on completing the tasks on time.

• Proven ability to research and become proficient in new technologies

• Strong analytical and problem-solving skills, with meticulous attention to detail and a dedication to continuous improvement.

• Experience in contributing to software architecture discussions and producing clear, structured documentation

• Interpersonal skills and ability to interact and work with staff at all levels. 

• 8+ years of software engineering experience in Java programming language (preferably JDK17 or higher)

• 3+ years of experience developing and designing data applications and data pipelines

• Experience crafting microservices and scalable products, utilizing diverse cloud platforms (ideally AWS) 

Mandatory technical expertise in the following areas:

• Developing RESTful API-based microservices using Python, Java or similar
• Working with cloud data warehouse & analytics platforms (Snowflake, BigQuery) 
• Designing, building, and managing data pipelines using Spark, BigQuery, AWS EMR, and GCP Cloud Analytics
• Experience building real-time services on top of distributed OLAP systems (e.g., Druid, SingleStore)
• Messaging platforms and stream data processing (like Kafka, Flink, Pub/Sub)
• Data pipeline expectations framework experience (like Monte Carlo data, Great Expectations, Soda)
• Working with containers (Docker, Kubernetes)
• Observability tools like Prometheus, Grafana, ELK stack
• Collaboration tools like Miro (or Lucidchart), Jira and Confluence

We consider a plus having relevant expertise in any of the following areas:

• Designing and maintaining Public APIs and data contracts
• Security basics (e.g., OAuth2 standard)
• Foundational Amazon Cloud Services, like S3, CloudTrail, SQS, SNS, Lambda, API Gateway, ElasticCache, Athena, Kinesis, EKS, Cognito, and others
• Distributed OLAP databases knowledge (Druid, DynamoDB, SingleStore, or others)
• Hands on experience with AI coding assistants and tools to help with coding and data analytics. 

Our offer – what’s in it for you:

• Casual & friendly working environment with opportunities to impact the company with your ideas and involvement

• Technology diversity, interesting technical exposure in building the best ad-tech product on the market

• Corporate annual bonus system to celebrate personal and company wins

• Individual training budget to use as you like for skill improvement

• Sports bonus for activities such as gym, biking, and yoga

• Meal tickets card for enjoyable lunch breaks

• Gift cards for special events and holidays

• Days off for your birthday and special events to recharge and enjoy your BIG moment

• Private medical subscription to keep you healthy

• Private Pension Fund (Pillar III) based on your years of tenure

• Free library subscription for the book lover in you

• Suitable hardware devices (new laptops / Macs, displays etc.)

• Parking lots at office location  – 60% co-funded by the company

• Company offsites, CSR activities, and getaways to stay connected and keep the flame alive

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 based on 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.

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