Software Engineer, UX/UI Frontend, Buenos Aires

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.

What you’ll do

• 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

Who you are

• 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

Location

This is an on-site role in our Buenos Aires office, designed for builders who thrive on speed, iteration, and meaningful impact. We are happy to support visa sponsorship for qualified international candidates.

For this role, the expected base salary range is $140,000 to $260,000. Profound’s total compensation package is designed to be competitive and includes base salary, equity, and a full range of benefits and perks. Final compensation will depend on factors such as your skills, experience, qualifications, and location, and will be determined during the interview process. Our recruiting team will share more details about the full compensation package and benefits as you move through hiring.