Cloud Engineer

<h2>&nbsp;</h2> <h2><strong>About Arena:</strong></h2> <p>Arena is 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 responsibility).&nbsp;</p> <p>We are 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 Agent AI.</p> <p>Sometimes you're stuck in a job that doesn't make sense. Refactoring code from ages ago, the stack is miles away from what it's supposed to be. If you love a good challenge, enjoy solving meaningful problems, and want to be a part of one of the fastest-growing AI startups in the Silicon Valley — then Arena is the company you're looking for.</p> <h2>&nbsp;</h2> <p>&nbsp;</p> <h2><strong>The challenges:</strong></h2> <ul> <li>Real-time messaging infrastructure supporting 100,000 concurrent users per customer application;</li> <li>High performance systems with API responses in the 10ms range;</li> <li>Highly scalable architecture using auto-scaling policies, distributed systems and container orchestration;</li> <li>High availability infrastructure powering homepages of some of the most visited websites and apps on the internet;</li> <li>Managing distributed databases for our Data Platform storing every user engagement;</li> <li>Building infrastructure that enables product teams to ship fast with reliability and observability.</li> </ul> <p>&nbsp;</p> <h2><strong>Our Stack:</strong></h2> <ul> <li>AWS;</li> <li>DigitalOcean;</li> <li>Terraform;</li> <li>Docker;</li> <li>GitHub &amp; GitHub Actions;</li> <li>Node;</li> <li>React;</li> <li>TypeScript;</li> <li>Vercel;</li> <li>Datadog;</li> <li>CloudWatch;</li> <li>Kong API Gateway;</li> <li>Cloudflare;</li> <li>Varnish.</li> </ul> <p>&nbsp;</p> <h2><strong>Work Experience:</strong></h2> <ul> <li style="font-weight: 400;"> <p>3–5 years of relevant DevOps / Infrastructure / SRE experience.</p> </li> </ul> <p>&nbsp;</p> <h2><strong>Must-Have Experience:</strong></h2> <ul> <li><strong>AWS infrastructure</strong> experience with: <ul> <li>ECS (Fargate);</li> <li>Lambda;</li> <li>RDS (PostgreSQL);</li> <li>DocumentDB (MongoDB compatible);</li> <li>S3;</li> <li>CloudFront;</li> <li>API Gateway;</li> <li>WAF;</li> <li>SES;</li> <li>IAM;</li> <li>VPC networking.</li> </ul> </li> <li>Infrastructure as Code using <strong>Terraform</strong>;</li> <li>CI/CD pipelines using <strong>GitHub Actions</strong> (or similar);</li> <li>Containerization using <strong>Docker</strong> and container orchestration with <strong>ECS</strong>;</li> <li>Strong networking fundamentals: <strong>load balancers, DNS, VPNs, firewalls, CDNs</strong>;</li> <li>Monitoring and observability using <strong>Datadog, CloudWatch, Prometheus or similar</strong>;</li> <li>Database operations with <strong>MongoDB/DocumentDB and PostgreSQL</strong>;</li> <li>Fluent written and spoken English.</li> </ul> <p>&nbsp;</p> <h2><strong>Nice-to-Have Experience:</strong></h2> <ul> <li>Kong API Gateway or other gateway technologies (NGINX, Envoy);</li> <li>DigitalOcean infrastructure;</li> <li>Varnish cache configuration and CDN optimization;</li> <li>FinOps and cloud cost optimization;</li> <li>Cloudflare DNS/CDN management;</li> <li>Serverless frameworks for Lambda deployments;&nbsp;</li> <li>OpenVPN configuration and administration;</li> <li>Experience with high-scale systems (1M+ concurrent connections).</li> </ul> <p>&nbsp;</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 fully redundant production environment with automated switchover capabilities;</span></li> <li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Build fully automated CI/CD pipeline;</span></li> <li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Build fully automated production scaling system;</span></li> <li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Build fully automated monitoring and early-warning systems;</span></li> <li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Implement SOC 2 / ISO 27001 compliance;</span></li> <li style="font-weight: 400; line-height: 1.5;"><span style="font-weight: 400;">Monitor and maintain systems security and data privacy.</span></li> </ul> <p>&nbsp;</p> <p>&nbsp;</p> <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 &amp; 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 &amp; multi-cultural mindset</p> <p>💆‍♀️ Our people matter, work-life balance is important at Arena</p> <p>&nbsp;</p>