Posted 03 June, 2026
UI Tester
Fulcrum Digital
Dublin, Dublin, Ireland
Full Time
Reference: 1615348620
Job Description
Who are we
Fulcrum Digital is an agile and next-generation digital accelerating company providing digital transformation and technology services right from ideation to implementation. These services have applicability across a variety of industries, including banking & financial services, insurance, retail, higher education, food, healthcare, and manufacturing.
Requirements
UI Tester:
About AI & Decision Product Enablement (AI&DPE)
AI & Decision Product Enablement (AI&DPE) is Mastercard's innovation engine for AI-driven decisioning at global scale.
We build and enhance platforms that deliver real-time intelligence across Mastercard's network, enabling:
Millisecond-latency decisioning
Resilient, highly available global services
Hundreds of AI models
Hundreds of thousands of business rules
50+ market-facing products across Mastercard Services
These products protect revenue, mitigate fraud, and empower customers worldwide.
AI&DPE teams ensure Mastercard delivers industry-leading agility, intelligence, resiliency, and scalability in every product we build.
Role Summary
We're looking for a UI Tester to ensure the quality, usability, and reliability of our web-based user interfaces, with a strong focus on modern frontend applications built using React and Angular.
This role focuses on validating UI behaviour across browsers and devices, catching defects early, and working closely with engineers and product partners to deliver high-quality, production-ready user experiences.
You'll play a key role in protecting product quality, improving delivery confidence, and ensuring UI changes meet Mastercard's high standards at global scale.
Key Responsibilities
Test web UI features to validate functionality, usability, accessibility, and visual consistency
Create and execute manual test cases based on requirements, designs, and acceptance criteria
Identify, log, and clearly communicate UI defects with actionable reproduction steps
Validate UI behaviour across multiple browsers, devices, and screen sizes
Review UI designs and requirements early to highlight testability, usability, and edge-case risks
Collaborate closely with frontend engineers, product owners, and designers
Support regression testing prior to releases and assist with release sign-off
Contribute to improving QA processes, checklists, and test coverage over time
Required Skills & Experience
Minimum 3 years of hands-on experience testing web-based user interfaces
Strong experience with manual UI testing in modern web applications
Practical experience testing applications built with React and/or Angular
Strong understanding of HTML, CSS, and JavaScript fundamentals
Experience with cross-browser and responsive UI testing
Experience using defect tracking tools (e.g. Jira or similar)
Ability to translate requirements and UI designs into effective test scenarios
High attention to detail with a user-centric quality mindset
Clear verbal and written communication skills
Nice to Have
Hands-on experience with UI automation, particularly Playwright
Exposure to other automation tools (e.g. Cypress, Selenium)
Experience with accessibility testing (WCAG basics, screen readers, contrast checks)
Experience working in Agile / Scrum teams
Basic understanding of API testing to support end-to-end scenarios
Experience testing complex, data-heavy, or workflow-driven UIs
What Success Looks Like
UI defects are identified early and communicated clearly
Releases ship with high confidence and minimal UI regressions
Strong collaboration with engineers improves overall frontend quality
UI changes consistently meet functional, visual, and usability expectations
Who are we
Fulcrum Digital is an agile and next-generation digital accelerating company providing digital transformation and technology services right from ideation to implementation. These services have applicability across a variety of industries, including banking & financial services, insurance, retail, higher education, food, healthcare, and manufacturing.
Requirements
UI Tester:
About AI & Decision Product Enablement (AI&DPE)
AI & Decision Product Enablement (AI&DPE) is Mastercard's innovation engine for AI-driven decisioning at global scale.
We build and enhance platforms that deliver real-time intelligence across Mastercard's network, enabling:
Millisecond-latency decisioning
Resilient, highly available global services
Hundreds of AI models
Hundreds of thousands of business rules
50+ market-facing products across Mastercard Services
These products protect revenue, mitigate fraud, and empower customers worldwide.
AI&DPE teams ensure Mastercard delivers industry-leading agility, intelligence, resiliency, and scalability in every product we build.
Role Summary
We're looking for a UI Tester to ensure the quality, usability, and reliability of our web-based user interfaces, with a strong focus on modern frontend applications built using React and Angular.
This role focuses on validating UI behaviour across browsers and devices, catching defects early, and working closely with engineers and product partners to deliver high-quality, production-ready user experiences.
You'll play a key role in protecting product quality, improving delivery confidence, and ensuring UI changes meet Mastercard's high standards at global scale.
Key Responsibilities
Test web UI features to validate functionality, usability, accessibility, and visual consistency
Create and execute manual test cases based on requirements, designs, and acceptance criteria
Identify, log, and clearly communicate UI defects with actionable reproduction steps
Validate UI behaviour across multiple browsers, devices, and screen sizes
Review UI designs and requirements early to highlight testability, usability, and edge-case risks
Collaborate closely with frontend engineers, product owners, and designers
Support regression testing prior to releases and assist with release sign-off
Contribute to improving QA processes, checklists, and test coverage over time
Required Skills & Experience
Minimum 3 years of hands-on experience testing web-based user interfaces
Strong experience with manual UI testing in modern web applications
Practical experience testing applications built with React and/or Angular
Strong understanding of HTML, CSS, and JavaScript fundamentals
Experience with cross-browser and responsive UI testing
Experience using defect tracking tools (e.g. Jira or similar)
Ability to translate requirements and UI designs into effective test scenarios
High attention to detail with a user-centric quality mindset
Clear verbal and written communication skills
Nice to Have
Hands-on experience with UI automation, particularly Playwright
Exposure to other automation tools (e.g. Cypress, Selenium)
Experience with accessibility testing (WCAG basics, screen readers, contrast checks)
Experience working in Agile / Scrum teams
Basic understanding of API testing to support end-to-end scenarios
Experience testing complex, data-heavy, or workflow-driven UIs
What Success Looks Like
UI defects are identified early and communicated clearly
Releases ship with high confidence and minimal UI regressions
Strong collaboration with engineers improves overall frontend quality
UI changes consistently meet functional, visual, and usability expectations
