n8n self-hosted workflow automation platform for connecting APIs, services, and databases with visual, node-based pipelines - no vendor lock-in.
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 MLOps engineers who deploy models that stay in spec. Real workspaces with model servers, drift checks, registries and feature stores.
Hire data scientists in real Jupyter workspaces with real datasets, real leakage and real stakeholder questions. We record every cell.
Hire Android developers in real Android Studio workspaces with real recomposition bugs and real ANR traces to read. Live or take-home.
Hire Kotlin developers in real workspaces with real coroutines, real null-safety traps and real KMP modules. Live or take-home.
Ansible development environment with playbook tooling, linting, and role scaffolding ready.
Ansible control node with three Ubuntu 24.04 target machines, ready for playbook development and automation practice.
Jenkins automation server for orchestrating build, test, and deployment pipelines, backed by a huge ecosystem of plugins and integrations.
Jenkins with Docker executor and Nginx reverse proxy for a production-ready CI pipeline.