Frontend Engineer - Payments SDKs & High-Performance UI

Jobtailor; Lisboa; Presencial; EUR 42 000 - 65 000; Tempo integral

Resumo da oferta

Jobtailor in Lisbon, Portugal, seeks a Frontend Engineer to design, build, and maintain high-performance JavaScript/TypeScript SDKs and payment components across complex workflows and dashboards.

You will translate product intent into accessible interfaces, collaborate across Product, Design, and Engineering, and help ensure security, WCAG accessibility, and robust performance with strong testing practices.

Qualificações

• Proven track record as a Frontend Engineer building sophisticated, high-performance web applications.
• Deep knowledge of JavaScript/TypeScript, HTML, CSS, the DOM, browser APIs and modern web performance.
• Strong experience with modern frontend frameworks, preferably React.
• Understanding of component architecture, state management, data fetching, frontend performance, and delivery practices.
• Experience building performant, data-intensive UIs and visualisations.

Responsabilidades

• Design, build, and maintain lightweight, high-performance JS/TS SDKs and payment components.
• Ensure isolation, backwards compatibility, browser compatibility, security, accessibility, and performance.
• Build and evolve merchant- and internal-facing web applications.
• Create responsive experiences across complex workflows, dashboards, and data visualisations.

Conhecimentos

JavaScript/TypeScript

React Framework

Web Accessibility WCAG

Backend-for-Frontend

Payments/Fintech

Security best practices

Ferramentas

Node.js

APIs

Data Visualizations

Checkout Components

Third-Party Integrations

Semantic Versioning

Descrição da oferta de emprego

Jobtailor in Lisbon, Portugal, seeks a Frontend Engineer to design, build, and maintain high-performance JavaScript/TypeScript SDKs and payment components across complex workflows and dashboards.

You will translate product intent into accessible interfaces, collaborate across Product, Design, and Engineering, and help ensure security, WCAG accessibility, and robust performance with strong testing practices.