Switch Testers - SwitchNxt platform-Cards for Banking Project at Expleo

Overview

Switch NXT Testers - Cards for Banking Project

Switch Tester with strong expertise in card-based payment systems and transaction switch platforms such as Switch NXT or FIS

Responsibilities

• Perform functional, regression, and integration testing of card transaction switches (Switch NXT, FIS).

• Validate transaction routing and switching across POS, ATM, e-commerce, and other channels.

• Conduct testing for debit/credit/prepaid card flows including ISO8583 message validation.

• Design and execute test scenarios for online and batch transaction processing.

• Utilize simulators for POS/ATM testing and analyze host and acquirer responses.

• Validate authorization, clearing, and settlement flows.

• Raise and track defects, work with developers to resolve issues.

• Perform certification and compliance testing with card networks (Visa, MasterCard, etc.).

• Ensure performance, scalability, and reliability of switch applications.

• Participate in UAT and support go-live activities.

Essential skills

• Hands-on experience with Switch NXT or FIS (IST/Connex) platforms (must-have).

• Strong understanding of ISO8583 messaging format.

• Familiar with end-to-end card transaction lifecycle – Authorization, Clearing, and Settlement.

• Experience with tools like POS simulators, ATM test tools, Host simulators.

• Knowledge of card schemes (Visa, MasterCard, RuPay) and transaction types.

Desired skills

• Good exposure to defect management and test case management tools (e.g., JIRA, ALM).

• Ability to analyze logs and trace issues in switch environments.

• Strong communication and coordination skills.

Experience

7+ years of experience in cards & payments domain with switch testing experience