Senior Software Engineer

Big Data Engineer What you'll get to do: Work on Big Data technologies such as Hadoop, MapReduce, Kafka, Spark and MPP columnar databases Design, code and maintain components aggregating tens of billions of daily transactions Lead the entire software lifecycle including hands-on development, code reviews, testing, deployment, and documentation for streaming, batch ETL and RESTful API's Mentor junior team members You should apply if you have most of this: 5+ years of recent hands-on Java experience Regular use of collections, multi-threading, JVM memory model, etc. Great understanding of designing for performance, scalability, and reliability In-depth understanding of algorithms, scalability and various tradeoffs in a Big Data setting Proficiency with object oriented programming concepts Experience with Hadoop MapReduce, Spark, Pig Interpersonal and communication skills Bonus points: Good knowledge of Linux command line tools Solid understanding of database fundamentals, good knowledge of SQL Exposure to messaging frameworks like Kafka or RabbitMQ Experience with Spark streaming or Flink Experience with AWS big data technologies (s3, emr, glue, etc) If you are a solid backend Java developer looking to leap into and learn Big Data, we will consider you! IAS Pay Transparency: The annualized base salary ranges for the primary location, and any additional locations are listed below. Our pay ranges are based on the work location. As part of IAS compensation package, we offer 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. All full-time employee roles include competitive compensation and are eligible for an annual bonus and/or other incentive plans. Each candidate's compensation package is based on multiple factors, but not limited to, geography, experience, skills, job duties, and business need. Primary Location: US - New York, NY Primary Location Base Pay Range: $108,500.00 - $186,000.00 Annual Additional Locations: US - Chicago, IL Additional Locations Pay Range: 103,600.00 - 177,600.00 USD Annual 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. 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 . 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.

Created: 2026-03-04