Cloud Engineer

About Arena:

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). 

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.

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.

The challenges:

• Real-time messaging infrastructure supporting 100,000 concurrent users per customer application;


• High performance systems with API responses in the 10ms range;


• Highly scalable architecture using auto-scaling policies, distributed systems and container orchestration;


• High availability infrastructure powering homepages of some of the most visited websites and apps on the internet;


• Managing distributed databases for our Data Platform storing every user engagement;


• Building infrastructure that enables product teams to ship fast with reliability and observability.

Our Stack:

• AWS;


• DigitalOcean;


• Terraform;


• Docker;


• GitHub & GitHub Actions;


• Node;


• React;


• TypeScript;


• Vercel;


• Datadog;


• CloudWatch;


• Kong API Gateway;


• Cloudflare;


• Varnish.

Work Experience:

• 
  

  3–5 years of relevant DevOps / Infrastructure / SRE experience.

  
  

Must-Have Experience:

• AWS infrastructure experience with:
  
  
  
  • ECS (Fargate);
  
  
  • Lambda;
  
  
  • RDS (PostgreSQL);
  
  
  • DocumentDB (MongoDB compatible);
  
  
  
  • CloudFront;
  
  
  • API Gateway;
  
  
  • WAF;
  
  
  • SES;
  
  
  • IAM;
  
  
  • VPC networking.
  
  
  
  


• Infrastructure as Code using Terraform
  
• CI/CD pipelines using GitHub Actions (or similar);


• Containerization using Docker and container orchestration with ECS
  
• Strong networking fundamentals: load balancers, DNS, VPNs, firewalls, CDNs
  
• Monitoring and observability using Datadog, CloudWatch, Prometheus or similar
  
• Database operations with MongoDB/DocumentDB and PostgreSQL
  
• Fluent written and spoken English.