Senior E2E Test Engineer at ING in Vadi Park Sitesi, Istanbul, Turkey

How to Succeed

• Analyze business use cases, functional specifications, solution designs, and acceptance criteria to define the right E2E test coverage.
• Design and maintain test cases covering complete payment journeys across channels, APIs, processing components, and downstream systems.
• Execute manual and automated E2E tests, including happy flows, unhappy flows, error handling, boundary conditions, and regression scenarios.
• Validate payment data, statuses, and outcomes as transactions move between different systems.
• Prepare and maintain test data, test accounts, access rights, and environment prerequisites.
• Collect clear test evidence, including expected and actual results, logs, API responses, screenshots, and relevant transaction or message identifiers.
• Retest resolved defects and perform targeted regression testing to ensure fixes don't create unintended impact elsewhere in the payment chain.
• Build and maintain automated test suites and help move E2E scenarios from manual testing toward maintainable automation.
• Collaborate across squads and domains to identify blockers, communicate quality risks, and drive issues toward resolution.

About You

• A Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience.
• Around 3–6 years of experience in software testing or quality engineering.
• Strong hands-on experience with end-to-end, system integration, API, functional, and regression testing.
• Experience designing test cases based on business requirements, functional specifications, user journeys, and technical designs.
• Experience building and maintaining automated test suites.
• Practical experience with Postman, GitHub, GitHub Copilot, and modern automation frameworks such as Playwright.
• A hands-on ownership mindset, taking responsibility from test preparation through execution, evidence, retesting, and follow-through.
• Strong stakeholder management skills and the ability to translate complex testing topics into clear risks and decisions.
• A proactive and resilient approach when priorities shift, dependencies create blockers, or delivery pressure increases.
• Strong problem-solving, communication, and presentation skills.
• Good command of English and confidence collaborating across international teams.

Desired skills:

• ISTQB Certification (Foundation Level / Agile Tester Level)
• Experience in test automation field