# Senior Software Engineer, Identity

**Company:** [Attentive](https://hotfix.jobs/companies/attentive)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $180k – $210k/yr
**Experience:** 5+ years
**Skills:** Java, Python, Scala, Kafka, Kubernetes, AWS, GCP, Redis, Spark, Machine Learning, Data Pipelines, Real-Time Processing, Algorithms, Distributed Systems
**Posted:** 2026-05-06

> 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.

## Job Description

## 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

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**Apply:** https://hotfix.jobs/jobs/b6e1cc30-bb72-4ec9-98e0-f6996daffde1
**Canonical:** https://hotfix.jobs/jobs/b6e1cc30-bb72-4ec9-98e0-f6996daffde1