[Remote] Senior Software Engineer- Remote USA

Note: The job is a remote job and is open to candidates in USA. Integral Ad Science (IAS) is a leading global media measurement and optimization platform. They are seeking a Senior Software Engineer to join their Engineering team, focusing on building and maintaining Java-based applications and RESTful APIs for their core Signal platform, while driving the transition towards cloud-native applications. Responsibilities • 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) Skills • 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 • 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 DevOps concepts Benefits • Paid time off • Health insurance (medical, dental, vision) • PPO, HSA and FSA options • 401k with employer matching contributions • Annual bonus and/or other incentive plans Company Overview • Integral Ad Science measures digital ad fraud, viewability, safety, and contextual targeting. It was founded in 2009, and is headquartered in New York, New York, USA, with a workforce of 501-1000 employees. Its website is http://www.integralads.com. Company H1B Sponsorship • Integral Ad Science has a track record of offering H1B sponsorships, with 11 in 2025, 10 in 2024, 9 in 2023, 12 in 2022, 10 in 2021, 2 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job Apply To this Job