Senior QA Automation Engineer - Fintech (Remote)

JobCubby; United Kingdom; Remote; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Competitive compensation

Remote-friendly setup

International, distributed team

Flexible working hours

Engineering-driven culture

Job summary

Peratera, a UK-based fintech, is seeking a QA Engineer to own API-first testing and automation across payment flows. You’ll design, execute and maintain API and UI tests, ensuring reliability of deposit, payout and reconciliation processes.

Join a modern, AWS-hosted platform built on Java (Spring Boot) with REST APIs, React frontend, and a focus on CI/CD, test automation, and production support. Remote-friendly with flexible hours and an engineering-driven culture.

Qualifications

• Experience with API testing (REST, JSON, HTTP).
• Strong understanding of backend systems and data flows.
• Experience with test automation (Playwright / RestAssured / similar).

Responsibilities

• Take ownership of end-to-end quality of payment flows (deposit, payout, reconciliation).
• Validate business-critical scenarios, not just features.
• Identify risks in transaction lifecycle (e.g. callback failures, timeouts).
• Design and execute API-first test scenarios.
• Build and maintain automated tests (API + selective UI).
• Develop reusable test components (clients, data builders).
• Test integrations and implement automation integration flow with external providers (Open Banking, payment processors).
• Validate async flows (callbacks, polling, retries).
• Investigate production issues and reproduce bugs.
• Work with logs, DB and API traces.
• Support root cause analysis.
• Work closely with backend engineers on testability.
• Define acceptance criteria with product team.
• Contribute to release quality gates.
• Help establish regression Testing Strategy.
• Contribute to CI/CD pipelines (smoke tests, pre-release checks).
• Improve overall engineering quality standards.

Skills

API testing

Backend systems

Test automation

Debugging

Async systems

Payments/fintech

CI/CD

Tools

Playwright

RestAssured

Job description

Peratera, a UK-based fintech, is seeking a QA Engineer to own API-first testing and automation across payment flows. You’ll design, execute and maintain API and UI tests, ensuring reliability of deposit, payout and reconciliation processes.

Join a modern, AWS-hosted platform built on Java (Spring Boot) with REST APIs, React frontend, and a focus on CI/CD, test automation, and production support. Remote-friendly with flexible hours and an engineering-driven culture.