--- title: 'QA Engineer at Arena.im' canonical: 'https://feeny.ai/job/qa-engineer-arena-im-brazil-fvgrtem805h9' type: 'job' last_seen: '2026-09-14' --- # QA Engineer at Arena.im - **Company:** Arena.im - **Location:** Brazil - **Work type:** remote - **Posted:** 2026-02-26 - **Last confirmed live:** 2026-09-14 - **Apply:** https://job-boards.greenhouse.io/arenaim/jobs/4666898005 ## Job description About Arena: Arena is a startup created in Silicon Valley with a mission to build communities for creators, publishers and brands with the power of AI. Companies using Arena include Disney, Reuters, Fox, Red Bull and NFL. We have +2,000 customers in 150 countries and with +50M users having conversations on Arena per month and engaging with our AI tools. We are a Series A company backed by top-tier investors such as CRV, Redpoint and Craft Ventures. Arena offers a unique work environment and the chance to collaborate with diverse teammates across multiple countries, with a culture of ownership (autonomy, growth, and specially high performance). Sometimes you're stuck in a job that doesn't make sense. Managing tasks and infinite backlogs, not talking to customers and miles away from making product decisions. If you love a good challenge, you're a curious product guy who experiments with AI and AI agents every day, and you want to be a part of one of the fastest-growing AI startups in Silicon Valley — then Arena is the company you're looking for. About the Role: We’re looking for a QA Engineer who’s passionate about technology, curious about how things work, and eager to ensure quality across our products. You’ll join a supportive, fast-paced environment and collaborate with experienced engineers to test web applications, APIs, and new features as they’re developed. This is a great opportunity to grow in a company that values mentorship, ownership, and continuous learning. What you will be doing: - Collaborate with product and engineering to understand requirements and define test strategies. - Write and maintain **manual and automated test cases** for web applications and APIs. - Run exploratory and regression tests for new features and releases. - Help monitor issues in production and identify patterns for improvement. - Contribute to maintaining and expanding our automated test suite using Cypress and Jest. The challenges: - Real-time messaging to support 100,000 concurrent users per customer application; - High performance: our API responses are in the 10ms range; - High scalability: we use sharding, master-master, and master-slave to ensure scalability; - High availability: our code is running on homepages of the most visited websites and apps in the internet; - Distributed databases for our Data Platform storing every user engagement. You Might Be a Fit If You Have: - Some experience (6–18 months) in QA or testing software - Familiarity with tools like Cypress, Jest, or Selenium. - Basic knowledge of JavaScript or TypeScript. - Understanding of REST APIs and how to test them. - Enthusiasm to learn, ask questions, and work in a collaborative environment. - Advanced English (spoken and written). Nice-to-Have Experience: - Experience with HTML/CSS and browser dev tools. - Exposure to mobile testing (iOS or Android). - Understanding of how CI/CD and deployment pipelines work. - Curiosity about how distributed systems scale. Example Projects You’ll Be Working on: - Build automated test suites and test cases for web apps, mobile apps, and APIs; - Build early warning systems that detect production environment errors; - Certify production releases; - Manual testing, where necessary – we prefer automated tests! - Continuously improve and maintain quality standards; - Analyze error patterns to identify repeating types of issues; - Monitor error and debug sources for production issues. We also have some sweet perks like: 🔥 Be a part of the team in Silicon Valley and join a global team 💪 A team of exceptional engineers leading the cutting-edge AI Agents. 💶 Competitive salary package & benefits ⛱️ 4 weeks of paid time-off 📖 Learning and Development budget 🚀 Key moment to join Arena in terms of growth and opportunities 💻 Ability to put your stamp on real-world AI applications that serve millions of users. 📚 Fast-learning environment, entrepreneurial and strong team spirit 🌍 Multiple nationalities: cosmopolite & multi-cultural mindset 💆‍♀️ Our people matter, work-life balance is important at Arena ## About Arena.im ## Company Overview - **One-liner**: Arena provides an AI-powered platform for brands and publishers to build, engage, and monetize interactive communities directly on their websites and apps. - **Entity Type**: Private (Series A) - **Headquarters**: San Francisco, California, United States - **Founded**: 2017 (incorporated as Stationfy Inc.) - **Founders**: Paulo Martins ## Core Business - Primary industry/industries: Technology, Information, and Internet; AI-powered community engagement; Media & Publishing - Target customers: B2B, serving publishers, media companies, sports & entertainment organizations, and brands/e-commerce businesses - Mission or purpose statement: To help brands and audiences have real, meaningful conversations online, making interactions more engaging, authentic, and personal. ## Products & Services - **Arena Community Platform**: An all-in-one engagement suite that allows companies to add interactive features like comments, polls, live blogs, group chat, and AI-powered content streams to their website with a no-code deployment. Designed to turn anonymous visitors into identified users. - **Arena Live Chat**: A chat solution focused on community interaction and real-time audience engagement. - **Arena Enterprise**: An advanced tier offering collaborative tools, limitless customization, robust workflows, top-tier security, and scalability for large organizations. - **Monetization & Ads**: Tools to integrate with ads, monetize audiences, and generate leads directly from the community. - **Advanced Analytics**: A dashboard to track impact on key business indicators, measure growth, and gain insights into user behavior and segmentation. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed - **Key Metric**: Annual Revenue of $7.5M (LinkedIn estimate) | Total Funding of $16.42M - **Notable Investors/Partners**: CRV (led Series A), Redpoint eventures (led Seed), Techstars (led Pre-Seed) - **Growth Signals**: Serves 10,000+ organizations; operates in 5 countries (Brazil, United Kingdom, India, Pakistan, US); employee count of 41 with a strong technical team (18 people); LinkedIn follower growth of +54.1% year-over-year. ## Competitive Advantages - **No-Code Deployment**: Enables any website to integrate a full community suite quickly without engineering resources. - **First-Party Data Focus**: Captures rich user profiles based on actions, interests, and intent, which is increasingly critical in a privacy-first (GDPR-compliant) digital landscape. - **AI-Powered Automation**: Uses AI for content generation, personalized recommendations, and automating community management tasks. - **Real-Time Scalability**: Blazing-fast technology proven to handle millions of users during major worldwide events. ## Strategic Focus - Deepening its AI capabilities to further automate engagement and personalization. - Expanding its footprint across key verticals: publishing, sports, entertainment, and e-commerce. - Scaling its sales and customer success operations, particularly in the Enterprise segment. - Strengthening its position as a leader in first-party data community solutions. ## Why Work Here - **Innovative Environment**: A dynamic Silicon Valley startup at the forefront of AI and community-building technology. - **Global & Remote-Friendly Team**: With offices in San Francisco and a large remote team in Brazil, the company offers flexibility. Open roles are listed as remote for Brazil-based candidates. - **Engineering-Led Culture**: The largest department is Technical (18 people), indicating a strong focus on product and engineering excellence. The tech stack is modern and diverse (React, Python, Django, Typescript, Node.js, etc.). - **Growth Trajectory**: As a well-funded Series A company with significant revenue ($7.5M) and a growing customer base, it offers the potential for high impact and career growth. - **Mission-Driven**: The work directly impacts how millions of people interact with content and brands online, making it a compelling space for those interested in community, media, and user experience. ## Sources 1. [arena.im](https://arena.im/) 2. [LinkedIn](https://www.linkedin.com/company/arenaim) 3. [Built In](https://builtin.com/company/arenaim) 4. 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