QA Engineer — AI-Driven Automation & Data Migration

Concord Finance; Ciudad de México; Hybrid; MXN 600,000 - 900,000; Full time

Benefits offered by this job

Grocery Vouchers

Internet Bonus

Medical Insurance

Life Insurance

Dental Insurance

Law Benefits

Job summary

Concord Servicing in Mexico City is seeking a QA Engineer to own testing for the Link platform, focusing on automation, data migrations, and client-facing workflows. You will design and maintain automated tests using Playwright in C#, validate data integrity during migrations, and collaborate with cross-functional teams to ensure quality before client delivery.

The ideal candidate has 4+ years in software QA, hands-on automation with Playwright/Selenium/Cypress, and strong JavaScript/C# SQL

Qualifications

• Experience with Playwright, Selenium, Cypress, or a similar automation tool (required).
• Hands‑on experience using AI tools such as Claude or GitHub Copilot to write, review, and debug tests and code (required).
• 4+ years of experience in software QA, including test automation.
• Working knowledge of C#, SQL, and JavaScript.
• Strong manual and exploratory testing skills.
• Experience with data migration testing, API testing, or GitHub Actions a plus.
• Strong English communication skills (verbal and written).

Responsibilities

• Test new features, changes, and product scripts in Link (payments, fees, installments, deferments, and statements) before they reach clients.
• Build scenario-based tests that verify balances and payment allocations for common and edge-case loan activity.
• Maintain the automated Playwright (C#) test suite and keep the regression suite that runs on every pull request reliable.
• Use AI tools to speed up test creation and debugging, and review AI-generated tests to confirm they catch real problems.
• Write clear bug reports and track defects through to resolution.
• Validate client data migrated from our legacy system into Link.
• Write SQL queries to compare balances, payments, and account details across environments.
• Document test plans and results so business and UAT stakeholders can review them.
• Work with developers, implementation, and configuration teams to understand requirements and changes.
• Review requirements and acceptance criteria early to identify gaps and risks.
• Communicate testing progress, issues, and results clearly to both technical and non-technical stakeholders.

Skills

Playwright

Selenium

Cypress

Claude AI

GitHub Copilot

C#

SQL

JavaScript

Manual testing

Exploratory testing

Data migration testing

API testing

GitHub Actions

English communication

Tools

GitHub Actions

Job description

Concord Servicing in Mexico City is seeking a QA Engineer to own testing for the Link platform, focusing on automation, data migrations, and client-facing workflows. You will design and maintain automated tests using Playwright in C#, validate data integrity during migrations, and collaborate with cross-functional teams to ensure quality before client delivery.

The ideal candidate has 4+ years in software QA, hands-on automation with Playwright/Selenium/Cypress, and strong JavaScript/C# SQL