Arena is a Series A company backed by top-tier investors such as CRV, Redpoint, and Craft Ventures, offering a unique work environment and the chance to collaborate with diverse teammates across multiple countries.
The company is on a mission to build communities for creators, publishers, and brands using AI, with notable clients including Disney, Reuters, Fox, Red Bull, and NFL.
The role involves making the app and API service faster, more scalable, and more flexible, collaborating with product and engineering teams to ship AI-powered features.
Key challenges include supporting real-time messaging for 500,000 concurrent users, achieving high performance with API responses in the 10ms range, and designing AI Agents and RAG pipelines.
The tech stack includes Node.js, TypeScript, Golang, Websocket, Apollo GraphQL, AWS services, Google Firestore/Firebase, MongoDB, PostgreSQL, DynamoDB, Redis, and Cloudflare.
Requirements:
Candidates must have at least 3 years of experience as a backend developer.
Experience with high-traffic and high-performance applications is required.
A curious developer who experiments with AI and AI agents daily is preferred.
Must-have experience includes TypeScript, Node.js, TDD, BDD, or ATDD, REST APIs, and MongoDB or AWS DocumentDB.
Nice-to-have experience includes familiarity with statically typed languages (e.g., Java, C#, Go), object-oriented and functional programming, Golang, AWS, SQL, and React.
Benefits:
Employees will be part of a team in Silicon Valley and join a global team of exceptional engineers leading cutting-edge AI Agents.
The position offers a competitive salary package and benefits, including 4 weeks of paid time off.
There is a learning and development budget available for employees.
This is a key moment to join Arena in terms of growth and opportunities, allowing employees to impact real-world AI applications serving millions of users.
The work environment promotes fast learning, entrepreneurial spirit, and a strong team spirit, with a cosmopolitan and multicultural mindset.
Work-life balance is emphasized, as the company values its people.
