Senior Identity Resolution Engineer – Real-Time, Remote

Acxiom; Augusta (ME); Remote; USD 120,000 - 170,000; Full time

Job summary

Acxiom is seeking an experienced Senior Software Engineer to join the Identity Resolution engineering team. You will design, develop, test, and maintain large-scale identity resolution platforms and real-time APIs, working with Java, Python, Scala, Spark, and SQL on AWS and Databricks.

You will collaborate across architects, data teams, product stakeholders, and security to deliver scalable, reliable solutions.

Qualifications

• 5+ years of professional software development experience.
• Strong proficiency in Java and enterprise application development.
• Strong proficiency in Python for application development, data processing, automation, or distributed workloads.
• Strong proficiency in Scala, particularly for large-scale data-processing applications.
• Strong hands-on experience with Apache Spark and distributed data processing.
• Advanced proficiency in SQL, including complex queries, data transformations, and query optimization.
• Experience developing production workloads using Databricks.
• Experience developing cloud-based applications and services using AWS.
• Experience with Identity Resolution, Entity Resolution, data matching, or similar large-scale data-processing systems.
• Experience developing REST APIs, backend services, microservices, or distributed applications.
• Experience building high-throughput, low-latency services and APIs.
• Strong understanding of distributed systems concepts, including concurrency, partitioning, caching, resiliency, scalability, and fault tolerance.
• Experience with automated testing, CI/CD, source control, and modern software delivery practices.
• Experience with Git and collaborative software development workflows.
• Excellent written and verbal communication skills.
• Ability to independently own complex development tasks while collaborating effectively with architects and other engineering team members.

Responsibilities

• Design, develop, test, and maintain software supporting Identity Resolution platforms.
• Develop systems that match, link, consolidate, and resolve identities across multiple datasets and data sources.
• Implement real-time and batch identity-resolution workflows.
• Develop high-performance backend services and APIs using Java, Python, and Scala.
• Build and optimize low-latency APIs supporting real-time identity lookup and resolution.
• Develop large-scale distributed data-processing applications using Apache Spark.
• Build and maintain Spark workloads using Scala and Python.
• Develop complex SQL queries and data-processing logic to support identity matching, analysis, and data transformation.
• Work with Databricks to develop, optimize, and operate large-scale data-processing workloads.
• Develop cloud-native applications and data-processing solutions using AWS.
• Collaborate with architects to translate solution designs and technical requirements into production-quality software.
• Contribute to technical design discussions and recommend implementation approaches based on performance, scalability, reliability, and maintainability.
• Implement deterministic and probabilistic matching logic, fuzzy matching, data normalization, identity linking, and related Identity Resolution capabilities.
• Optimize application code, Spark workloads, SQL queries, and data pipelines for performance and scalability.
• Troubleshoot complex application, distributed-processing, data-quality, and production performance issues.
• Develop automated tests and validation processes to ensure the accuracy and reliability of identity-matching logic.
• Build monitoring, logging, metrics, and observability into production applications and data-processing workloads.
• Participate in code reviews and help establish strong software engineering practices across the team.
• Mentor junior and mid-level engineers and provide technical guidance on complex development tasks.
• Collaborate with architects, engineering teams, data engineers, product teams, security teams, and other stakeholders.
• Stay current with evolving technologies and engineering practices related to Identity Resolution and large-scale data processing.

Skills

Java

Python

Scala

Apache Spark

SQL

AWS

Databricks

REST APIs

Distributed systems

Low-latency APIs

CI/CD

Git

Education

Bachelor's degree in CS/Software Engineering

Tools

Git

CI/CD tools

Job description

Acxiom is seeking an experienced Senior Software Engineer to join the Identity Resolution engineering team. You will design, develop, test, and maintain large-scale identity resolution platforms and real-time APIs, working with Java, Python, Scala, Spark, and SQL on AWS and Databricks.

You will collaborate across architects, data teams, product stakeholders, and security to deliver scalable, reliable solutions.