Backend Engineer– Java

Corporate Overview

Powering Performance Marketplaces in Digital Media

marketplaces that match searchers and “research and compare” consumers with brands

matching technologies help consumers find better solutions and brands faster.

Our campaign-results-driven matching decision engines and optimization algorithms are built from over 20 years and billions of dollars of online media experience.

We believe in:

• The direct measurability of digital media.
• Performance marketing. (We pioneered it.)
• The advantages of technology.

We bring all this together to deliver truly great results for consumers and brands in the world’s biggest channel.

Software Engineer – Java (Quest v2 Platform Modernization)

Location:

About the Role

We are looking for a Java Software Engineer to support the modernization of Quest, a high-volume event and workflow-processing platform that handles millions of events daily. You will work with senior engineers to develop, test, deploy, and support scalable backend services as part of the Quest v2 migration initiative.

Key Responsibilities

• Develop and maintain Java/Spring Boot applications, REST APIs, and backend services.
• Build event-driven solutions using Kafka and asynchronous processing patterns.
• Develop and optimize database interactions using MySQL and SQL.
• Write clean, maintainable, and testable code following engineering standards.
• Create unit and integration tests and participate in code reviews.
• Troubleshoot production issues, monitor application performance, and support deployments.
• Contribute to platform modernization, reusable components, and technical documentation.

Required Skills

• 3–6 years of software development experience with Java.
• Strong experience with Spring Boot, REST APIs, and backend service development.
• Solid understanding of OOP, design patterns, multithreading, and concurrency.
• Experience with SQL and relational databases (MySQL, Oracle, etc.).
• Familiarity with JUnit, Mockito, Git, Maven/Gradle, and Linux environments.
• Strong debugging, analytical, and problem-solving skills.

Preferred Skills

• Experience with Kafka, event-driven architectures, and asynchronous processing.
• Exposure to Redis, microservices, Docker, and Kubernetes.
• Experience modernizing legacy Java applications.
• Knowledge of application monitoring, logging, tracing, and performance tuning.
• Experience working on high-volume transaction or workflow-processing systems.

• Hands-on engineer who takes ownership of features from development through production support.
• Strong collaborator who follows established architecture patterns and coding standards.
• Curious, accountable, and eager to learn in a complex, high-scale environment.

Note:

QuinStreet is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, national origin, pregnancy status, sex, age, marital status, disability, sexual orientation, gender identity or any other characteristics protected by law.

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