Senior Front End Engineer

Summary

Join Arena, a fast-growing Silicon Valley AI startup, as a Senior Frontend Engineer and make a significant impact on our app and API. Collaborate with experienced engineers to build and enhance AI-powered features, focusing on speed, scalability, and flexibility. You'll tackle challenging projects involving real-time messaging, AI application design, and high-performance web application development. We offer a competitive salary and benefits package, including 5 weeks of paid time off, a learning and development budget, and a supportive, collaborative work environment. This is a key moment to join Arena and contribute to impactful AI applications used by millions.

Requirements

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

Responsibilities

• Make our app and API service faster, more scalable and more flexible
• Collaborate with product and engineering teams to ship AI-powered features and make the existing ones perform orders of magnitude faster
• Real-time messaging to support 500,000 concurrent users per customer application
• Design and build AI applications, including Agents and model fine-tuning
• Building for Performance - Delivering ultra-fast web applications optimized for performance
• Complex Debugging - Investigating tricky issues and crafting robust solutions
• 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 similar to Reddit, Discord, and Whatsapp
• Build a JavaScript SDK
• Build and design AI features and AI agents

Preferred Qualifications

• Styled Components
• Gitflow
• Github Actions
• Gatsby
• Webpack
• Monorepo
• Google Firebase/Firestore
• Node.js

Benefits

• Competitive salary package & benefits
• 5 weeks of paid time-off
• Learning and Development budget