Senior Identity Resolution Engineer RealTime & Spark Remote

Acxiom; Madison (WI); Remote; USD 130,000 - 180,000; Full time

Job summary

Acxiom is seeking a Senior Software Engineer to join the Identity Resolution engineering team. This role focuses on designing, developing, testing, and supporting high-scale Identity Resolution systems that match, link, and resolve identities across large datasets.

You will work on distributed data processing workloads, low-latency APIs, and cloud-native solutions on AWS. The ideal candidate has strong Java, Python, Scala, Spark, SQL experience, plus hands-on AWS and Databricks familiarity.

Qualifications

• 5+ years of professional software development experience with production systems.
• Strong proficiency in Java and enterprise application development.
• Strong proficiency in Python for data processing, automation, or distributed workloads.
• Strong proficiency in Scala for large-scale data processing.
• Hands-on experience with Apache Spark and distributed data processing.
• Advanced SQL skills including complex queries and data transformations.
• Experience with Databricks and AWS cloud services.
• Experience with Identity Resolution or similar large-scale data-processing systems.
• Experience building REST APIs, backend services, or microservices.

Responsibilities

• Design, develop, test, and maintain software for Identity Resolution platforms.
• Develop systems to match, link, and resolve identities across datasets.
• Implement real-time and batch identity-resolution workflows.
• Build low-latency APIs and backend services.
• Develop Spark workloads and Spark pipelines using PySpark/Scala.
• Collaborate with architects, data teams, and product stakeholders.
• Develop automated tests and validation processes to ensure accuracy.
• Build monitoring and observability into production applications.
• Mentor junior engineers and participate in code reviews.

Skills

Java

Python

Scala

Apache Spark

SQL

AWS

Databricks

Education

Bachelor’s degree in Computer Science/Software Engineering

Job description

Acxiom is seeking a Senior Software Engineer to join the Identity Resolution engineering team. This role focuses on designing, developing, testing, and supporting high-scale Identity Resolution systems that match, link, and resolve identities across large datasets.

You will work on distributed data processing workloads, low-latency APIs, and cloud-native solutions on AWS. The ideal candidate has strong Java, Python, Scala, Spark, SQL experience, plus hands-on AWS and Databricks familiarity.