Caddy web server with automatic HTTPS via Let's Encrypt, ideal for quickly serving static sites, APIs, and reverse proxies with a minimal, human-friendly configuration.
Stop guessing from resumes. Drop candidates into this exact workspace, watch them build and operate it end-to-end, score the result automatically, and replay the session. We also evaluate how they work with AI.
Hire DevOps engineers who actually ship. Run live or take-home interviews in production-like Linux environments with Docker, Kubernetes, Terraform and CI/CD. See how they debug, automate, and work alongside AI.
Hire network engineers who can read tcpdump under pressure. Real VPCs, real firewalls, real routes, all in a browser. We record every keystroke.
Hire SREs who actually run production. Live workspaces with metrics, logs, traces and a service that is starting to misbehave. We record every keystroke.
Hire embedded engineers in real workspaces with an MCU simulator, a logic analyser view and real firmware bugs. Live or take-home, fully recorded.
HAProxy directing traffic to two Nginx backends alongside Caddy, ideal for hands-on load balancing and routing practice.
Nginx high-performance web server and reverse proxy, ready for serving static assets, load balancing, and fronting application backends.
Apache HTTP Server, the battle-tested modular web server for hosting static sites, PHP applications, and reverse-proxying backends with mature configuration and a rich module ecosystem.
High-performance HAProxy TCP/HTTP load balancer and reverse proxy for distributing traffic across backend services with health checks, SSL termination, and ACL-based routing.