Arena.im

AI Engineer

Open 17d LATAM

Agentic AI AI API AWS Cloud +20 skills

Arena.im is hiring an AI Engineer (Brazil) to build and scale LLM-powered features across its community platform and MyAvatar.AI. Day to day: developing AI pipelines for conversational, voice, and multimodal experiences, evaluating model quality, latency and cost, and taking prototypes to production using Python, LLM APIs, RAG, and agents.

QA Engineer

Open 129d RemoteLATAM

Agentic AI AI Android API CI/CD +11 skills

Arena.im, a Silicon Valley Series A startup building AI-powered community tools for creators, publishers and brands, is hiring a remote QA Engineer in Brazil to test web apps, APIs, and AI experiences across Arena and MyAvatar.AI — writing and maintaining manual and automated test cases, mainly with Cypress and Jest.

Front end Engineer [Brazil]

Open 129d RemoteLATAM

Agentic AI AI API CI/CD CSS +15 skills

Remote (Brazil) Frontend Engineer building high-performance web experiences for Arena's AI-powered community products. Day to day: React/Next.js/TypeScript apps, real-time features with WebSockets and GraphQL, scalable UI architecture, and AI-powered features like AI Agents and chat.

Back end Engineer [Brazil]

Open 129d RemoteLATAM

Agentic AI AI API API Gateway AWS +33 skills

Remote (Brazil) backend engineer at Arena, a Silicon Valley AI startup building real-time community/chat and AI-agent products for major brands. Day to day: scale WebSockets and APIs to hundreds of thousands of concurrent users and ship AI agent/RAG features, mainly with Node.js/TypeScript, some Go, and AWS, MongoDB, PostgreSQL and Redis.