Front end Engineer [Brazil]

Arena, a startup created in Silicon Valley, seeks a Front End Engineer to join their team in Brazil. The company's mission is to build communities for creators, publishers, and brands using the power of AI. Arena's clients include Disney, Reuters, Fox, Red Bull, and NFL, with a global presence of over 2,000 customers in 150 countries and 50M users.

The Front End Engineer will significantly impact the speed, scalability, and flexibility of Arena's app and API service. Collaborating with product and engineering teams, the engineer will ship AI-powered features and enhance existing ones. The role involves tackling real-time messaging challenges, designing and building AI applications (including Agents and model fine-tuning), ensuring ultra-fast web applications, and investigating complex issues.

Responsibilities:

• Implement applications using Next.js framework.
• Build a real-time chat that can scale to 1M simultaneous users.
• Develop plugins for WordPress and Google Chrome.
• Implement high-performance widgets.
• Build a JavaScript SDK.
• Build and design AI features and AI agents.

Requirements:

• 3+ years of relevant Frontend programming experience.
• TypeScript.
• React.
• Next.js.
• GraphQL.
• Git.
• WebSocket.
• Monorepo.

Arena Offers:

• Competitive salary package & benefits.
• 4 weeks of paid time-off.
• Learning and Development budget.
• Ability to put your stamp on real-world AI applications that serve millions of users.
• Fast-learning environment, entrepreneurial and strong team spirit.