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