Greenstep is a Finland based, family‑owned growth company founded in 2010, providing high‑quality financial, HR, data & AI, technology, and sustainability services to support our clients’ development and long‑term success. Today, we are a community of more than 800 experts across the Nordics and Europe – and growing fast!

The Role

We’re a growing team building software that matters. As a Frontend Engineer with a focus on code quality and security, you’ll work directly with our engineering team to improve and maintain a portfolio of React‑based applications , many of which were built with AI‑assisted development tools. You’ll bring the engineering judgment that turns fast‑moving prototypes into reliable, secure, production‑grade software.

• Own and improve existing React applications across the stack.
• Review and harden AI‑generated code before and after production deployment.
• Identify and fix security, performance, a...