Senior Test Automation Engineer - AI-Driven SaaS

Daon; Dublin; Hybrid; EUR 80,000 - 105,000; Full time

Job summary

Daon seeks a Senior Test Automation Engineer for its TrustX SaaS platform in a hybrid Dublin environment. You will design, develop, and maintain automated tests across API, UI, and integration layers, ensuring reliable distributed systems while collaborating with backend, frontend, and mobile teams.

You will leverage AI‑driven test generation and analysis to improve coverage, speed, and quality, working with DevOps to instrument tests for release readiness.

Qualifications

• 5+ years of experience in test automation for enterprise or SaaS products.
• Hands-on experience with test frameworks such as JUnit/TestNG, Selenium/WebDriver, Cypress, Playwright, RestAssured, or equivalents.
• Solid understanding of distributed systems, APIs, microservices, authentication, and message flows.
• Experience testing SaaS applications in cloud environments (AWS preferred) using Docker/Kubernetes.
• Familiarity with CI/CD pipelines and integrating automated tests into GitHub Actions, Jenkins, or similar systems.
• Strong debugging skills, including logs, traces, and service interactions.

Responsibilities

• Design, build, and maintain automated test frameworks covering API, UI, integration, performance, and regression testing.
• Develop automated test suites using modern tools such as JUnit, TestNG, Selenium, Cypress, Playwright, RestAssured, or similar.
• Write tests that validate distributed systems, multi-step workflows, asynchronous operations, and cross-service interactions.
• Collaborate with backend, frontend, and mobile engineers to build end-to-end test coverage.
• Validate API contracts, authentication flows, session behavior, and data integrity across microservices.
• Build automated health checks and smoke tests for release pipelines.
• Use AI tools to generate test cases, scaffolding, and documentation.

Skills

Test automation

JUnit/TestNG

Selenium/WebDriver

Cypress/Playwright

API testing

CI/CD

Docker/Kubernetes

GitHub Actions

Education

Degree in Computer Science or Engineering

Tools

GitHub Actions

Jenkins

Docker

Kubernetes

Job description

Daon seeks a Senior Test Automation Engineer for its TrustX SaaS platform in a hybrid Dublin environment. You will design, develop, and maintain automated tests across API, UI, and integration layers, ensuring reliable distributed systems while collaborating with backend, frontend, and mobile teams.

You will leverage AI‑driven test generation and analysis to improve coverage, speed, and quality, working with DevOps to instrument tests for release readiness.