Job Description
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);
- S3;
- 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.
Nice-to-Have Experience:
- Kong API Gateway or other gateway technologies (NGINX, Envoy);
- DigitalOcean infrastructure;
- Varnish cache configuration and CDN optimization;
- FinOps and cloud cost optimization;
- Cloudflare DNS/CDN management;
- Serverless frameworks for Lambda deployments;
- OpenVPN configuration and administration;
- Experience with high-scale systems (1M+ concurrent connections).
Example Projects You’ll Be Working on:
- Build fully redundant production environment with automated switchover capabilities;
- Build fully automated CI/CD pipeline;
- Build fully automated production scaling system;
- Build fully automated monitoring and early-warning systems;
- Implement SOC 2 / ISO 27001 compliance;
- Monitor and maintain systems security and data privacy.
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
