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Profound Logo Profound · IT - Software Development

Software Engineer, UX/UI Frontend

Argentina, Buenos Aires 140000.00 - 260000.00 USD / Year · Job Posted February 18, 2026
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Job Description

Profound is on a mission to help companies understand and control their AI presence. As a UX/UI Frontend Engineer, you will play a key role in shaping high-performance, visually stunning React applications that power the future of AI-driven marketing experiences.

Job Responsibility

  • Build and refine sleek, high-quality user interfaces from low-fidelity wireframes
  • Implement god-like CSS to create exceptional, pixel-perfect experiences
  • Optimize front-end performance to ensure seamless interactions
  • Work closely with design and engineering to bring ideas to life with precision and speed
  • Contribute to our product’s core architecture and front-end best practices

Requirements

  • Expertise in React, Next.js, and TypeScript, with a deep understanding of state management and performance optimization
  • Strong experience with Tailwind CSS or SASS or SCSS, delivering refined, polished, and visually sharp UIs
  • Proven ability to architect and scale complex Next.js applications, leveraging features such as App Router, SSR, SSG, and ISR
  • Familiarity with fetch management libraries such as react-query or similar
  • Hands-on experience with CSS animations, transitions, and layout techniques to create smooth, engaging interfaces
  • A strong portfolio showcasing high-quality front-end development work
  • A keen eye for design, detail, and user experience, ensuring seamless interactions
  • Comfortable in a fast-paced, high-performance startup environment, iterating quickly on new ideas
  • Experience with GSAP for smooth animations and interactions
  • Experience with R3F, React Three Fiber, or Three.js for immersive 3D experiences
  • Proven ability to lead large-scale migrations to Next.js, designing and implementing solutions that make full use of its strengths
  • Deep understanding of caching mechanisms and CDN integrations to enhance the performance and scalability of Next.js applications worldwide
  • Experience implementing sophisticated internationalization and localization strategies for global user bases in Next.js projects
  • Practical experience working with React Server Components and integrating them into production applications for improved performance and maintainability

What we offer

  • Offers Equity
  • a full range of benefits and perks
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