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<h2><strong>About Arena:</strong></h2>
<p>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.</p>
<p>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).</p>
<p>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.</p>
<p> </p>
<h2><strong>About the Role:</strong></h2>
<p>We’re looking for a <strong>QA Engineer</strong> 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.</p>
<p>This is a great opportunity to grow in a company that values mentorship, ownership, and continuous learning.</p>
<h2><strong><br>What you will be doing:</strong></h2>
<ul>
<li>Collaborate with product and engineering to understand requirements and define test strategies.</li>
<li>Write and maintain **manual and automated test cases** for web applications and APIs.</li>
<li>Run exploratory and regression tests for new features and releases.</li>
<li>Help monitor issues in production and identify patterns for improvement.</li>
<li>Contribute to maintaining and expanding our automated test suite using Cypress and Jest.</li>
</ul>
<p style="line-height: 1.5;"> </p>
<h2><strong>The challenges:</strong></h2>
<ul>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Real-time messaging to support 100,000 concurrent users per customer application;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">High performance: our API responses are in the 10ms range;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">High scalability: we use sharding, master-master, and master-slave to ensure scalability;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">High availability: our code is running on homepages of the most visited websites and apps in the internet;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Distributed databases for our Data Platform storing every user engagement.</span></li>
</ul>
<p> </p>
<h2><strong>You Might Be a Fit If You Have:</strong></h2>
<ul>
<li>Some experience (6–18 months) in QA or testing software</li>
<li>Familiarity with tools like <strong>Cypress</strong>, <strong>Jest</strong>, or <strong>Selenium</strong>.</li>
<li>Basic knowledge of <strong>JavaScript or TypeScript.</strong></li>
<li>Understanding of REST APIs and how to test them.</li>
<li>Enthusiasm to learn, ask questions, and work in a collaborative environment.</li>
<li>Advanced English (spoken and written).</li>
</ul>
<p> </p>
<h2><strong>Nice-to-Have Experience:</strong></h2>
<ul>
<li>Experience with HTML/CSS and browser dev tools.</li>
<li>Exposure to mobile testing (iOS or Android).</li>
<li>Understanding of how CI/CD and deployment pipelines work.</li>
<li>Curiosity about how distributed systems scale.</li>
</ul>
<p> </p>
<h2><strong>Example Projects You’ll Be Working on:</strong></h2>
<ul>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Build automated test suites and test cases for web apps, mobile apps, and APIs;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Build early warning systems that detect production environment errors;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Certify production releases;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Manual testing, where necessary – we prefer automated tests!</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Continuously improve and maintain quality standards;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Analyze error patterns to identify repeating types of issues;</span></li>
<li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Monitor error and debug sources for production issues.</span></li>
</ul>
<h2> </h2>
<h2><strong>We also have some sweet perks like:</strong></h2>
<p>🔥 Be a part of the team in Silicon Valley and join a global team</p>
<p>💪 A team of exceptional engineers leading the cutting-edge AI Agents.</p>
<p>💶 Competitive salary package & benefits</p>
<p>⛱️ 4 weeks of paid time-off</p>
<p>📖 Learning and Development budget</p>
<p>🚀 Key moment to join Arena in terms of growth and opportunities</p>
<p>💻 Ability to put your stamp on real-world AI applications that serve millions of users.</p>
<p>📚 Fast-learning environment, entrepreneurial and strong team spirit</p>
<p>🌍 Multiple nationalities: cosmopolite & multi-cultural mindset</p>
<p>💆♀️ Our people matter, work-life balance is important at Arena</p>