Senior QA Tester: API & E-Invoicing for Finance

DICETEK LLC

Sharjah

On-site

AED 201,000 - 357,000

Part time

14 days+

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Job summary

TalentRecruit Software Private Limited seeks an experienced QA professional for contract staffing in the United Arab Emirates. You will lead test strategy, design test cases, and perform end-to-end validation of invoicing, tax, and ERP integrations.

The role requires 4–7 years in QA, strong API testing, SQL, and automation skills, with preference for banking/financial services exposure and ISTQB/CSTE certification. Expect rigorous functional and integration testing across systems.

Qualifications

Bachelor of Computer Science or Information Technology Software Engineering or related fields.
Preferred certification or coursework in Islamic Finance/Banking
4-7 years of software testing / QA experience, preferably in banking, financial services, securities, brokerage, or capital markets.
Hands-on experience in API testing and system-to-system interface testing.
Experience in tax, VAT, invoicing, finance, ERP, or regulatory implementation projects is highly desirable.
Previous involvement in an e-Invoicing implementation would be a significant advantage.
Proficiency in test automation tools and test management systems.
Familiar with SQL, API Testing and basic scripting
ISTQB foundation Level or CSTE Certified Software Tester

Responsibilities

Prepare test strategy, test scenarios, test cases, test data, and traceability matrix.
Perform functional testing, system integration testing (SIT), regression testing, and end-to-end testing.
Validate complete invoice lifecycle including invoice generation, validation, submission, acknowledgement, rejection, correction, and status updates.
Perform API testing between source applications, middleware, tax/e-invoicing platforms, ASP/service providers, and downstream systems.
Validate API requests/responses, authentication, headers, status codes, payload structure, field mappings, error handling, and retry scenarios.
Validate XML/JSON payloads against required schemas and business rules.
Test mandatory and conditional invoice fields, data formats, calculations, tax values, rounding rules, exemptions, zero-rated transactions, and other applicable tax scenarios.
Validate data mapping between trading applications, customer master, finance/ERP, tax engine, middleware, and e-invoicing platform.
Perform positive, negative, boundary, exception, and data-validation testing.
Support UAT preparation, test execution, defect triage, and production-readiness assessment.
Strong proficiency in functional and end-to-end testing.
Strong knowledge of API testing, preferably using tools such as Postman, SoapUI, OpenAPI, or equivalent.
Good understanding of REST/SOAP APIs, JSON, XML, HTTP methods, authentication mechanisms, and error codes.
Ability to validate XML against XSD/schema specifications and perform field-level data validation.
Good SQL knowledge for backend/database validation and reconciliation.
Experience with defect-management and test-management tools such as ALM/Quality Center, or equivalent.
Strong understanding of integration testing involving multiple upstream and downstream systems.
Ability to interpret BRDs, interface documents, field-mapping sheets, business rules, and regulatory specifications.
Strong analytical, troubleshooting, documentation, and communication skills.