Senior Test Engineer / QA Automation Engineer

Site; United States; On-site; EUR 55,000 - 85,000; Full time

Benefits offered by this job

Flexible engagement model

Challenging projects

Security compliance

People-first culture

Job summary

TEAM International Services is seeking an experienced Senior Test Engineer / QA Automation Engineer to own automated testing strategies for complex, AI-powered applications. You will validate APIs, frontend, backend, and end-to-end workflows.

Collaborate with software and AI engineers, ensuring reliability and performance against SLAs. Design and maintain robust test suites using Playwright, Selenium, or Cypress, and contribute to QA best practices in an international environment.

Qualifications

• 5+ years of professional QA / Test Engineering experience with a focus on automation.
• Experience with Playwright, Selenium, or Cypress.
• Experience with API testing, integration testing, regression testing, and end-to-end testing.
• Familiarity with performance and load testing.
• Fluent professional English; able to work in an international environment.

Responsibilities

• Design and implement automated testing strategies across frontend applications, APIs, backend services, and data flows.
• Develop and maintain robust automated test suites using Selenium, Playwright, Cypress, or similar frameworks.
• Design verification approaches for AI and LLM-based systems, including prompts, model outputs, and hallucination rates.
• Test end-to-end AI workflows and automated actions according to business logic.
• Perform API, system integration, regression, and performance testing before production releases.
• Validate performance against agreed SLAs and business requirements.
• Identify defects, create detailed bug reports, investigate failures, and perform root-cause analysis.
• Collaborate with developers and AI engineers to reproduce issues and drive fixes.
• Contribute to continuous improvement of testing standards and automation frameworks.

Skills

Test automation

Playwright

Selenium

Cypress

API testing

Performance testing

Load testing

Root cause analysis

QA best practices

English communication

Tools

Playwright

Selenium

Cypress

Job description

We're a global IT consulting company and a software development service provider that helps organizations operate at their best. With 30+ years of experience, +6 Global locations, and +1000 employees, TEAM combines technology expertise, valuable insights, business intelligence, and a client-centered approach to address challenges in business operations, digital transformation, risk management, compliance, business continuity, and more.

Our client is looking for an experienced Senior Test Engineer / QA Automation Engineer to take ownership of automated testing strategies for complex, AI-powered applications.

The role goes beyond traditional software testing. In addition to validating APIs, frontend applications, backend services, and end-to-end workflows, you will help establish approaches for testing LLM behavior, prompt outputs, model responses, and hallucination rates.

You will work closely with software engineers, AI engineers, and business stakeholders to ensure that AI-powered solutions are reliable, performant, and aligned with defined business requirements and SLAs.

Key Responsibilities

• Design, document, and execute comprehensive automated testing strategies across frontend applications, APIs, backend services, and data flows.
• Develop and maintain robust automated test suites using Selenium, Playwright, Cypress, or similar frameworks.
• Design verification approaches specifically for AI and LLM-based systems, including validation of prompt behavior, model outputs, response consistency, and hallucination rates.
• Test complex end-to-end AI workflows and automated actions, ensuring they behave according to defined business logic.
• Perform API, system integration, regression, and performance/load testing before production releases.
• Validate application and platform performance against agreed business and technical SLAs.
• Identify defects, create detailed bug reports, investigate failures, and perform root-cause analysis.
• Collaborate closely with developers and AI engineers to reproduce issues and support effective resolution.
• Contribute to continuous improvement of testing standards, automation frameworks, and quality engineering practices.

Requirements

• 5+ years of professional QA / Test Engineering experience, with a strong focus on test automation.
• Strong hands-on experience with at least one modern automation framework such as Playwright, Selenium, or Cypress.
• Strong experience with API testing and backend/service-level testing.
• Experience designing and maintaining automated test frameworks and test suites.
• Strong knowledge of integration, regression, and end-to-end testing.
• Experience with performance and load testing.
• Strong troubleshooting and root-cause analysis capabilities.
• Experience validating complex business workflows and testing against defined requirements and SLAs.
• Strong understanding of software development and QA best practices.
• Ability to work effectively with developers, technical teams, and business stakeholders.
• Fluent professional English and confidence working in an international environment.

What We Offer

At TEAM International, you’ll have the opportunity to work on impactful projects alongside top professionals, collaborate with international clients, and leverage the latest technologies.

• Work with global IT talent in a flexible engagement model
• Be part of challenging, high-impact projects with modern tech stacks
• Full compliance with security and regulatory standards
• A supportive, collaborative, and people-first environment