Clean Java development environment with JDK and Maven pre-installed.
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 Java developers in real JVM workspaces with real heap dumps and real services to debug. Live or take-home, every keystroke recorded.
Hire observability engineers who instrument services so problems are obvious. Real Prometheus, Grafana, Loki and OpenTelemetry. Live or take-home.
Hire build tooling engineers who make minutes feel like seconds. Real Bazel, Buck2, Nx and Turborepo workspaces with caches that need fixing.
Hire backend engineers in real services with real databases, real concurrency and real latency budgets. Live or take-home, fully recorded.
