Quality Assurance Developer – Automation & Blockchain Testing

About the role

We are looking for a meticulous QA Developer who combines strong test‑automation expertise with a passion for blockchain/Web3 and fintech payment systems. The role is fully remote and focuses on building reliable, AI‑enhanced test frameworks for web and mobile applications.

Key responsibilities

• Design, develop and maintain automated test scripts using Playwright (preferred), Selenium or Cypress, integrating AI‑assisted test generation and self‑healing mechanisms.
• Create test strategies for blockchain features, covering smart‑contract behavior, wallet integrations, on‑chain/off‑chain data consistency and transaction flows.
• Validate payment workflows across credit‑card processing, open‑banking APIs, reconciliation, idempotency, retries, currency rounding and error handling.
• Utilize AI‑powered tools for exploratory testing, log anomaly analysis and visual regression.
• Perform manual and automated testing of web applications and, when needed, mobile apps on iOS and Android.
• Collaborate with development and product teams to understand feature requirements and ensure test coverage.
• Document test cases and results in Jira/Confluence, manage test suites in Zephyr, and execute API tests with Postman.
• Monitor performance and issues using Grafana and browser developer tools.

Required profile

• Proven experience as a QA Developer or similar role with a focus on test automation.
• Strong interest or experience in testing blockchain/Web3 applications and fintech payment systems.
• Hands‑on experience with modern automation frameworks and AI‑driven testing practices.

Required skills

• Playwright (preferred), Selenium, Cypress
• AI‑assisted testing tools (self‑healing, visual diffing)
• Postman for API testing
• Grafana for monitoring
• Jira, Confluence, Zephyr
• iOS and Android testing basics
• Blockchain concepts: smart contracts, wallets, RPC endpoints
• Payment processing knowledge: credit‑card flows, open‑banking, PSD2