Backend QA Engineer — Automation & Performance (Hybrid)

quinstreet; United States; On-site; INR 1,400,000 - 2,600,000; Full time

Job summary

QuinStreet is seeking hands-on Quality Engineers to support the modernization of Quest, a high-volume event and workflow-processing platform. This role focuses on backend quality engineering, including API, event-driven, database, integration, performance, and migration testing to ensure reliability and correctness throughout the Quest v2 migration.

Responsibilities include designing test strategies for backend services, developing automation frameworks with Java and REST Assured, and validating

Qualifications

• 4-7 years of Quality Engineering, SDET, or software testing experience.
• Strong Java programming and test automation skills.
• Hands-on experience with REST API testing, REST Assured, JUnit/TestNG, and CI/CD integration.
• Strong SQL and database validation experience (MySQL, Oracle, SQL Server, etc.).
• Experience testing backend services, integrations, and distributed systems.

Responsibilities

• Design and execute test strategies for backend services, APIs, event-driven workflows, and database interactions.
• Develop and maintain automation frameworks using Java, REST Assured, JUnit/TestNG, and CI/CD pipelines.
• Validate Kafka-based event processing, retries, ordering, duplicate handling, replay, and idempotency scenarios.
• Perform migration validation between Quest v1 and Quest v2, including reconciliation and data consistency checks.
• Develop SQL-based data validation, integration, regression, performance, and resilience tests.
• Investigate defects using logs, metrics, traces, and event streams.
• Support production deployments, release validation, and incident investigations.

Skills

Java programming

REST API testing

SQL knowledge

Linux/Unix familiarity

Git

Tools

REST Assured

JUnit/TestNG

CI/CD

Kafka

Redis

Docker

Kubernetes

Testcontainers

WireMock

Contract testing

JMeter/Gatling/k6

Job description

QuinStreet is seeking hands-on Quality Engineers to support the modernization of Quest, a high-volume event and workflow-processing platform. This role focuses on backend quality engineering, including API, event-driven, database, integration, performance, and migration testing to ensure reliability and correctness throughout the Quest v2 migration.

Responsibilities include designing test strategies for backend services, developing automation frameworks with Java and REST Assured, and validating