Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry's most actionable data to drive superior results for the world's largest advertisers, publishers, and media platforms. IAS's software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information, visit
We are seeking a Senior Software Engineer to join our Walled Gardens team
What you'll get to do:
* Design, code and maintain components aggregating tens of billions of daily transactions
* Scale applications and architectures to handle billions of requests and billions of records in the most cost-effective way
* Lead the entire software lifecycle including hands-on development, code reviews, testing, deployment, and documentation for streaming, batch ETL and RESTful APIs
* Work on Big Data technologies such as Databricks, Spark and columnar databases
* Mentor junior team members
You should apply if you have most of this:
* 5+ years of recent hands-on Java experience, with experience in Scala a plus
* Regular use of collections, multi-threading, JVM memory model, etc.
* Experience with Spring Framework, Spring Boot and related technologies
* Great understanding of designing for performance, scalability, reliability and observability
* Experience working with AWS services (S3, DynamoDB, Lambda, EKS)
* Interpersonal and communication skills
Bonus points:
* Python experience
* Experience in Databricks, Spark, delta tables, workflows, notebooks a big plus
* In-depth understanding of algorithms, scalability and various tradeoffs in a Big Data setting
* Solid understanding of database fundamentals, good knowledge of SQL
* Good knowledge of Linux command line tools
* Exposure to messaging frameworks like SQS / Kinesis or similar
* If you are a solid backend Java developer looking to leap into and learn Big Data, we will consider you
About Integral Ad Science
Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry's most actionable data to drive superior results for the world's largest advertisers, publishers, and media platforms. IAS's software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information, visit
Equal Opportunity Employer:
IAS is an equal opportunity employer, committed to our diversity and inclusiveness. We will consider all qualified applicants without regard to race, color, nationality, gender, gender identity or expression, sexual orientation, religion, disability or age. We strongly encourage women, people of color, members of the LGBTQIA community, people with disabilities and veterans to apply.
California Applicant Pre-Collection Notice:
We collect personal information (PI) from you in connection with your application for employment or engagement with IAS, including the following categories of PI: identifiers, personal records, commercial information, professional or employment or engagement information, non-public education records, and inferences drawn from your PI. We collect your PI for our purposes, including performing services and operations related to your potential employment or engagement. For additional details or if you have questions, contact us at
To learn more about us, please visit
Attention agency/3rd party recruiters: IAS does not accept any unsolicited resumes or candidate profiles. If you are interested in becoming an IAS recruiting partner, please send an email introducing your company to We will get back to you if there's interest in a partnership.