Front end Engineer [Brazil]
Arena.im, Brazil (remote) +1
The role
We’re looking for a Frontend Engineer to build fast, scalable, and high-performance web experiences across Arena’s products.
You’ll work closely with Product, Design, and Engineering to build AI-powered features, improve existing applications, and solve complex frontend and performance challenges. You’ll work alongside experienced engineers and have a direct impact on products used by millions of users.
What you will do
- Build and maintain high-performance frontend applications using React, Next.js, and TypeScript.
- Develop real-time experiences and interfaces using WebSockets and GraphQL.
- Build reusable, scalable, and maintainable UI components and frontend architecture.
- Integrate frontend applications with APIs, AI services, and backend systems.
- Optimize application performance, scalability, and reliability across high-traffic environments.
- Collaborate with Product and Design to turn product requirements and UI/UX concepts into polished experiences.
- Debug complex frontend and production issues and implement robust solutions.
- Contribute to AI-powered features, including conversational experiences and AI Agents.
What you need
- 3+ years of professional frontend engineering experience.
- Strong experience with TypeScript and React.
- Production experience with Next.js.
- Experience working with GraphQL and REST APIs.
- Experience building real-time applications using WebSockets.
- Experience with Git and collaborative software development workflows
- Experience working in monorepo environments.
- Strong problem-solving skills and attention to performance, scalability, and code quality.
- Fluent English
Our Stack
- Frontend: React.js, Next.js, TypeScript.
- UI: Web Components, CSS, Styled Components.
- APIs & Real-Time: GraphQL, REST, WebSockets.
- Build & Architecture: Monorepo, Turborepo, Webpack.
- Infrastructure & CI/CD: GitHub Actions, Firebase, Firestore.
- Design: Figma.
Nice to have
- Styled Components or other CSS-in-JS solutions.
- Turborepo, Webpack, or similar frontend tooling.
- GitHub Actions and CI/CD workflows.
- Node.js and backend development.