Novelty is a tax
Every unusual tool in a stack is a bill that comes due later — in hiring, in debugging at 3am, in the one library that's abandoned when you need it most. Speed doesn't come from the newest framework. It comes from tools your team already knows cold, so the thinking goes into the product, not the plumbing.
What each earns its place doing
Java for systems that must be correct and outlive their authors — ledgers, platforms, code that can't drift. Python for data and AI, where the ecosystem is unmatched and LangGraph lives. React and Node for product surfaces, where one language across the front and back keeps the team small and fast. TypeScript over all of it, because types catch the bug before the user does.
Consistency compounds
Standardizing on a small set of tools means every project reinforces the last. Patterns transfer, tooling is shared, and a senior engineer can move between codebases without relearning the world. The stack is boring on purpose — boring is what ships on time.
Have something to ship?
Start with a fixed-price, two-week MVP — or scope a full build with a senior team.