Backend Automation Engineer with Microservices (API Testing & Kafka)

Job Overview :

We are looking for a Backend Automation Engineer with Microservices API Testing and Kafka with strong experience in Microservices testing, Kafka, API Rest Assured automation, and database automation testing. The ideal candidate will have hands-on experience designing scalable automation frameworks and validating end-to-end distributed systems across APIs, Kafka events, and databases.

The candidate will collaborate closely with development, product, DevOps, and QA teams in an Agile environment to establish effective test strategies, improve automation coverage, and ensure high-quality software delivery.

Key Requirements:

• 7-10 years of experience in software quality assurance and test automation.
• Strong hands-on experience testing microservices-based applications and distributed systems.
• Experience with Apache Kafka, including topic, producer, consumer, message, partition, offset, and event-flow validation.
• Strong experience in API automation testing using tools/frameworks such as REST Assured, Postman, or equivalent.
• Strong programming experience in Java, JavaScript, TypeScript, or Python.
• Experience designing and developing automation frameworks from scratch.
• Strong knowledge of database automation testing and backend data validation.
• Ability to write complex SQL queries for relational databases such as Oracle, PostgreSQL, MySQL, or similar databases.
• Experience validating data consistency and integrity across APIs, Kafka events, and databases.
• Experience with end-to-end testing of microservices workflows.
• Knowledge of CI/CD pipelines and integration of automated tests into build and deployment processes.
• Experience with Git/GitHub and Agile/Scrum methodologies.
• Experience with Playwright or other UI automation tools is an added advantage.

Roles and Responsibilities:

• Design, develop, and maintain scalable automation frameworks for microservices and distributed applications.
• Develop automated tests for REST APIs and microservices using REST Assured or equivalent tools.
• Validate end-to-end business workflows across API Kafka Database layers.
• Develop automation for Kafka event validation, including producers, consumers, topics, partitions, offsets, and message payloads.
• Validate Kafka message schemas, headers, keys, timestamps, and payload data.
• Verify that events generated by one microservice are correctly consumed and processed by downstream services.
• Perform database automation testing to validate data creation, updates, transformations, and persistence.
• Write complex SQL queries to perform backend validation and data reconciliation.
• Validate data consistency between source and target databases, APIs, Kafka messages, and downstream services.
• Perform functional, integration, regression, system, and end-to-end testing of microservices.
• Identify and automate critical business scenarios and high-risk integration points.
• Analyze logs, Kafka messages, database records, and API responses to troubleshoot test failures and defects.
• Integrate automation suites with CI/CD pipelines for continuous testing.
• Develop reusable utilities, test data frameworks, reporting mechanisms, and automation components.
• Define and monitor Quality Engineering metrics, automation coverage, test execution results, and defect trends.
• Collaborate with developers, architects, product owners, and DevOps engineers to understand system architecture and testing requirements.
• Participate in Agile ceremonies including sprint planning, refinement, daily stand-ups, reviews, and retrospectives.
• Provide technical guidance and mentorship to junior QA engineers.
• Continuously evaluate tools, frameworks, and best practices to improve automation efficiency and test coverage.