QA Engineer (Recon Platform)

What you'll be responsible for

• Test backend services within a REST-based microservice architecture supporting card and payment operations

• Validate transaction flows, including authorizations, captures, reversals, and refunds

• Verify back-office processes related to reconciliation, corrections, and operational workflows

• Perform manual and exploratory testing for new product features and system changes

• Execute regression testing during releases, infrastructure changes, and platform migrations

• Create and maintain test cases, checklists, and test documentation

• Analyze defects, document findings, and work with developers, analysts, and product managers to resolve issues

• Collect and analyze QA metrics to improve product quality and testing effectiveness

• Contribute to the automation of transaction flow testing at the API level as test coverage expands

What we need

• Experience testing backend systems and REST APIs

• Confident use of Postman or similar API testing tools

• Experience working with PostgreSQL, including writing queries and validating stored data

• Experience working with Kafka, including event validation, topic analysis, and contract verification

• Understanding of card processing and payment flows, including authorization, hold, capture, reversal, and chargeback processes

• Ability to read and understand code written in Java, Kotlin, JavaScript, or similar languages

• Strong understanding of software testing principles, defect investigation, and test design techniques

Good to have

• Experience testing financial products, payment platforms, or card-processing systems

• Experience with automated or load testing

• Familiarity with GitLab CI, CI/CD pipelines, Allure, or similar reporting tools