> Markdown version of [/jobs/ext/1720707-qa-tester](https://www.wearedevelopers.com/jobs/ext/1720707-qa-tester). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # QA Tester - **Company:** Intone Networks - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Software Bug Management, Software Engineering, Strategies of Testing, Transaction Processing (Computing) - **Published:** July 1, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=882dc7a3088b86f3 ## About the Role software testing experience, with a heavy emphasis on the Debit Card/Payment Processing domain. Technical Expertise: Hands-on, proficient experience with Lexcel (FIS simulation tool) is strictly required. Domain Knowledge: Deep understanding of point-of-sale (POS) transaction flows, automated fuel dispenser (AFD) pre-authorizations, and standard financial messaging (e.g., ISO 8583/0120 transactions). Work Style: Proven ability to work effectively as an augmented resource in a fast-paced, client-facing environment. Strong communication skills are vital for cross-functional alignment between client teams and Visa specifications. ## Description Job Description Key Responsibilities Requirements & Collaboration: Collaborate closely with client teams as they finalize project requirements, providing subject matter expertise in debit card transaction workflows. Test Strategy & Execution: Design, develop, and execute comprehensive test plans and test cases for the updated 0120 transaction processing flow, ensuring flawless real-time updates and transaction reversals. Simulation & Testing: Utilize Lexcel (FIS vendor tool) to simulate debit card transactions, validate messaging protocols, and identify system anomalies. Phased Delivery Support: Support both development and testing efforts across a phased release cycle, ensuring the client's system changes seamlessly sync with Visa's deployment timeline. Defect Management: Identify, log, and track defects, working hand-in-hand with developers to troubleshoot issues and retest fixes in a timely manner. Required Qualifications & Experience Experience: Minimum of 8 years of, dedicated ## Related Videos - [Your Testing Strategy is broken - lets fix it!](https://www.wearedevelopers.com/videos/1672-your-testing-strategy-is-broken-lets-fix-it) - [Excellent Software Testing](https://www.wearedevelopers.com/videos/87-excellent-software-testing) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)