Senior Software Engineer

Job Description

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

• Design, build, and maintain Java-based applications and RESTful APIs that power IAS’s core Signal platform — including UI integration where needed to support new capabilities.
• 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).

• 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, Dynamo
  
  DB, Lambda, EKS) or equivalent GCP/Azure components.
• Strong grasp of designing for performance, scalability, reliability, and observability.
• Exposure to frontend technologies (e.g., React) for UI integration or collaboration with UI engineering teams.
• Experience building API backend services and integrating with distributed systems.
• Excellent communication and collaboration skills.

• 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 Dev Ops concepts.

Primary

Location:

US - New York, NY - Base Pay Range: $ - $ Annual.

Additional Locations: US - Chicago, IL - Pay Range: $ - $ USD Annual.

All full‑time employee roles include competitive compensation and are eligible for an annual bonus and/or other incentive plans. The IAS compensation package also includes a comprehensive benefits package that includes paid time off, health insurance (medical, dental, vision) as well as PPO, HSA and FSA options and 401k with employer matching contributions.

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.