Sr. Software Engineer - Front End

Assurant; Buenos Aires; Presencial; ARS 87.134.000 - 116.180.000; Jornada completa

Descripción de la vacante

A leading technology company based in Buenos Aires seeks a talented Software Engineer – UI focused on front-end development. The role requires expertise in React.js and Next.js, with a strong emphasis on crafting scalable, effective user interfaces. Candidates should have over 5 years of experience and a solid understanding of modern web technologies. Familiarity with Optimizely CMS is a plus. This position offers an opportunity to engage in agile workflows and collaborate closely with various teams.

Formación

• 5+ years of front-end development experience with React.js.
• 5+ years of hands-on Next.js experience in production environments.
• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3/SASS.
• Experience with responsive design, cross-browser compatibility, and mobile-first development.
• Familiarity with API integration (REST, GraphQL) and state management.
• Experience with testing frameworks (e.g., Jest, React Testing Library, Cypress).
• Understanding of CI/CD workflows, Git, and Agile development practices.

Responsabilidades

• Develop responsive, high-performance web applications using Next.js, React, and TypeScript.
• Implement server-side rendering (SSR), static site generation (SSG), and incremental static regeneration (ISR).
• Build reusable UI components and design systems.
• Work with UX/UI designers to transform wireframes into interactive experiences.
• Identify and address UI performance bottlenecks.
• Write unit and integration tests using tools like Jest.
• Ensure UI functionality across various browsers and devices.
• Contribute technical documentation for front-end architecture.

Conocimientos

React.js

Next.js

JavaScript

TypeScript

HTML5

CSS3/SASS

Responsive Design

API Integration

Jest

CI/CD

Agile

Optimizely CMS

Herramientas

Tailwind CSS

Styled Components

React Testing Library

Descripción del empleo

Software Engineer – UI (with Optimizely Knowledge)

We're looking for a highly skilled Front-End Developer with strong experience in React, Next.js, and modern front-end technologies. Your focus will be building performant, scalable, and accessible user interfaces. While not required, familiarity with Optimizely CMS/Commerce or other headless CMS platforms is a bonus. You'll collaborate closely with designers, back-end developers, and digital strategists to deliver exceptional web experiences.

What You'll Do:

• Develop responsive, high-performance web applications using Next.js, React, and TypeScript.
• Implement server-side rendering (SSR), static site generation (SSG), and incremental static regeneration (ISR) with Next.js.
• Build reusable UI components and design systems using Tailwind CSS, Styled Components, or CSS Modules. Integrate with APIs (REST/GraphQL) and headless CMS platforms like Optimizely.
• Work with UX/UI designers to transform wireframes into interactive experiences.
• Identify and address UI performance bottlenecks, ensuring fast loading times and smooth user interactions.
• Write unit and integration tests using Jest, React Testing Library, or similar tools.
• Ensure UI functionality and aesthetics are consistent across various browsers and devices.
• Contribute technical documentation for front-end architecture, components, and best practices.
• Keep up-to-date with emerging front-end technologies, tools, and best practices, and advocate for their adoption where appropriate.
• Participate in code reviews, agile ceremonies, and continuous improvement.

What You'll Bring:

• 5+ years of front-end development experience with React.js.
• 5+ years of hands-on Next.js experience in production environments.
• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3/SASS.
• Experience with responsive design, cross-browser compatibility, and mobile-first development.
• Familiarity with API integration (REST, GraphQL) and state management.
• Experience with testing frameworks (e.g., Jest, React Testing Library, Cypress, Playwright)
• Understanding of CI/CD workflows, Git, and Agile development practices.
• Optimizely CMS Certification is huge plus.
• Knowledge of Angular is a plus.