CareerPlan

Senior E2E Test Engineer

Istanbul (VADI ISTANBUL PARK), TRFull-time2026-10-22 → 2026-11-11

Core

Design, execute, and maintain end-to-end test coverage for complete payment journeys across channels, APIs, and downstream systems.

Role type

Senior E2E Test Engineer

Builds

Automated test suites and validated payment transaction flows

Domain

Fintech / Payments

Required skills

End-to-end testing, System integration testing, API testing, Regression testing, Test automation, Test data management, Defect retesting, Stakeholder management, Problem-solving, English communication

Preferred skills

ISTQB Certification, Test automation frameworks

Technologies

Postman, GitHub, GitHub Copilot, Playwright

Responsibilities

Analyze business use cases and acceptance criteria to define E2E test coverage, Design and maintain test cases for payment journeys, Execute manual and automated E2E tests including error handling and regression, Validate payment data and outcomes across systems, Prepare and maintain test data and environment prerequisites, Collect test evidence including logs and API responses, Retest resolved defects and perform targeted regression testing, Build and maintain automated test suites, Collaborate across squads to identify blockers and drive issue resolution