Senior Software Engineer

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 integralads.com. We are seeking a Senior Software Engineer to join our Engineering team working on IAS’s core Signal 3 Platform—the foundation of our B2B offerings that powers products and partner integrations across the digital ecosystem. This team is revamping our core architecture, building modern, scalable API backend services, and driving our evolution toward cloud-native applications.

What you'll get to do:

Design, build, and maintain Java-based applications and RESTful APIs that power IAS’s core Signal platform

Scale applications and architectures to handle billions of transactions and records efficiently and reliably

Lead the entire software lifecycle — from design and hands-on coding to testing, deployment, and observability

Build and deploy cloud-native applications leveraging AWS (or equivalent cloud platforms like GCP/Azure)

Collaborate closely with product and data teams to embed new capabilities and signal intelligence into our applications

Work on backend systems and, optionally, data pipelines (Python experience a plus)

You should apply if you have most of this:

5+ years of hands-on Java development experience

Strong experience with Spring Framework and Spring Boot

Solid understanding of cloud platforms (preferably AWS) and how to design, deploy, and operate scalable cloud-based applications

Knowledge of core AWS services (S3, DynamoDB, Lambda, EKS) or equivalent GCP/Azure components

Strong grasp of designing for performance, scalability, reliability, and observability

Experience building API backend services and integrating with distributed systems

Excellent communication and collaboration skills

Bonus points:

Experience with Python, especially for data pipelines or automation

Familiarity with Databricks, Spark, or Delta tables

Knowledge of SQL and database fundamentals

Experience with messaging or streaming frameworks (Kinesis, Kafka, SQS, etc.)

Understanding of Linux command line tools and DevOps concepts

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 integralads.com.

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 compliance@integralads.com. To learn more about us, please visit http://integralads.com/ 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 recruitingagencies@integralads.com. We will get back to you if there's interest in a partnership. #LI-Hybrid