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AttentiveAttentiveNew York, NY

Senior Software Engineer, Identity

Senior Software Engineer on Identity team owns and improves high-scale systems processing billions of events daily for accurate customer identity resolution, session enrichment, and matching algorithms. Collaborates with product, data science, and analytics; requires 5+ years experience with real-time data systems.

180k – 210k
Remote5+ YOEBackend Engineering

About the role

What You’ll Accomplish

  • Design, build, and optimize high-scale systems that accurately resolve fragmented customer identities across first-party and third-party data sources
  • Develop advanced session enrichment capabilities to enhance anonymous and known user tracking, improving attribution and personalization
  • Build core matching algorithms that power real-time identity stitching, device graphing, and unified customer profiles
  • Collaborate cross-functionally with data science, product, and analytics teams to create flexible identity models that support a wide range of business use cases.
  • Define and enforce data quality, privacy, and security standards for customer and session data across all ingestion and resolution pipelines.
  • Continuously monitor, evaluate, and improve the accuracy, speed, and scalability of our identity resolution and tracking systems.

Your Expertise

  • 5+ years of professional experience in software development
  • Experience maintaining high-scale, real-time data processing systems
  • Strong communication skills and a product-oriented mindset. Able to understand the “what” and “why” behind technical work, collaborate effectively with Product and Analytics teams, and translate business needs into scalable solutions

Compensation (US): $180,000 - $210,000 annually + equity + benefits

Skills

JavaPythonScalaKafkaKubernetesAWSGCPRedisSparkMachine LearningData PipelinesReal-Time ProcessingAlgorithmsDistributed Systems

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