Senior Backend Engineer (Java & Node.js) for AI Tools
Summary
Designs, builds, and maintains internal engineering platforms and developer tooling at Randstad in a hybrid Kraków role, splitting backend work between Java and Node.js (TypeScript) while integrating agentic AI, MCP, and autonomous developer workflows with global teams.
Randstad Polska Sp. z oo in Kraków is seeking a Senior Software Engineer (Dual Backend) to design, build, and maintain high-performance internal engineering platforms and developer tooling supporting Future State Architecture initiatives.
You will split backend responsibilities between Java and Node.js (TypeScript) while integrating Agentic AI, MCP and autonomous developer workflows. You will work in a hybrid Kraków environment, collaborating with global teams to orchestrate APIs, ensure