Nginx high-performance web server and reverse proxy, ready for serving static assets, load balancing, and fronting application backends.
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 build tooling engineers who make minutes feel like seconds. Real Bazel, Buck2, Nx and Turborepo workspaces with caches that need fixing.
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.
HAProxy directing traffic to two Nginx backends alongside Caddy, ideal for hands-on load balancing and routing practice.
Jenkins with Docker executor and Nginx reverse proxy for a production-ready CI pipeline.
Node.js backend with MongoDB and Nginx out of the box, ready for full-stack JavaScript development.