Senior Specialist, Design Technologist, Developer Experience

TASC

Senior Specialist in Design Technology at Mastercard focusing on Developer Experience. Building prototypes and maintaining design systems to enhance developer interactions and AI capabilities.

Posted 4/17/2026full-timeDublin • 🇮🇪 IrelandSeniorWebsite

Tech Stack

Tools & technologies

JavaScriptNext.jsReact

About the role

Key responsibilities & impact

Build high-fidelity, functional prototypes to validate proposed features and experiences before full engineering investment
Own and maintain design system documentation, component specs, and interaction patterns for the developer portal
Collaborate with designers and front-end engineers to reduce ambiguity in the design-to-development handoff
Conduct rapid user testing and iteration cycles to gather signal on proposed features and flows
Partner with product managers to translate roadmap priorities into prototype-ready concepts
Contribute front-end code to production when prototypes are approved for implementation
Stay current on emerging interaction patterns, developer tooling trends, and design technology, including AI-powered interfaces

Requirements

What you’ll need

2+ years of experience in design technology, front-end engineering, or a hybrid design-engineering role
Proficiency in front-end frameworks (React, Next.js, or similar) and prototyping tools (Figma, Framer, or equivalent)
Experience building interactive prototypes that go beyond static mockups to simulate real product behavior
Strong understanding of design systems, component libraries, and accessibility standards
Ability to work fluidly across design and engineering teams with minimal handholding
Familiarity with AI-powered interfaces, conversational UX, or agentic interaction patterns is a plus
Experience in developer platforms, API products, or technical B2B products is a plus.

Benefits

Comp & perks

Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

front-end engineeringprototypingReactNext.jsFigmaFramerdesign systemscomponent librariesaccessibility standardsAI-powered interfaces

Soft Skills

collaborationcommunicationiterationproblem-solvingadaptability