Senior QA Automation Engineer

About the role

We are seeking a Senior QA Automation Engineer to own the end‑to‑end quality of critical payment flows on a high‑impact fintech platform. You will combine exploratory testing with an automation‑first mindset across APIs, distributed services, and external financial integrations.

Key responsibilities

• Design and execute API‑first test strategies for deposits, payouts, reconciliation and other transaction scenarios.
• Build, maintain and enhance automated API and selective UI test suites using Playwright, RestAssured or comparable frameworks.
• Develop reusable automation components such as API clients, test‑data builders and utilities.
• Test integrations with payment processors and Open Banking services, handling asynchronous callbacks, polling, retries and failure scenarios.
• Investigate production incidents, reproduce defects, analyse logs, database records and API traces, and contribute to root‑cause analysis.
• Collaborate with backend engineers to improve testability and define clear acceptance criteria.
• Contribute to release quality gates, regression testing, smoke tests and pre‑release validation within CI/CD pipelines.
• Identify risks across distributed payment systems and proactively strengthen testing coverage and engineering quality standards.

Required profile

• Proven experience in QA engineering or test automation on complex, distributed systems.
• Hands‑on experience testing REST APIs, including HTTP, JSON validation and API‑driven workflows.
• Strong understanding of backend architectures, micro‑services and integration patterns.
• Practical experience with automation frameworks such as Playwright or RestAssured.

Required skills

• Java
• Spring Boot
• REST APIs
• React
• PHP
• AWS
• Playwright
• RestAssured
• JSON
• HTTP
• CI/CD pipelines