Fullstack Developer (Java/React/Node)

Link Group; Kraków; On-site; PLN 170,000 - 250,000; Full time

Job summary

Link Group in Kraków is seeking a Mid/Senior Full Stack Engineer to join a product engineering team building cloud-based applications with React, Node.js, Java Spring Boot and Azure. The role is hands-on, focusing on designing, developing, and improving scalable web applications, APIs and microservices in a modern distributed environment.

You will work across frontend and backend, contribute to technical decisions, support code quality, and collaborate closely with engineers, product teams, and

Qualifications

• Experience delivering full-stack web applications.
• Strong understanding of frontend and backend architecture.
• Familiarity with cloud-based product environments.

Responsibilities

• Design, develop, and improve scalable web applications, APIs and microservices.
• Work across frontend and backend to own features end-to-end.
• Contribute to technical decisions and code quality.
• Collaborate with engineers, product teams and architects to deliver solutions.

Skills

Full stack development

Cloud computing

APIs design

Microservices

Tools

React

Node.js

Java Spring Boot

Azure

Job description

We are looking for a Mid/Senior Full Stack Engineer to join a product engineering team working on cloud-based applications built with React, Node.js, Java Spring Boot, and Azure. The role is hands-on and focused on designing, developing, and improving scalable web applications, APIs, and microservices in a modern distributed environment.

You will work across frontend and backend, contribute to technical decisions, support code quality, and collaborate closely with engineers, product teams, and architects. This is a good fit for someone who enjoys building features end to end, understands modern engineering practices, and wants to grow further in architecture, cloud, and platform-level topics.

Who we are looking for

We are looking for an engineer who can deliver high-quality software, work across the full stack, and take ownership of assigned technical areas. You will be a strong fit if you enjoy practical development, understand both frontend and backend perspectives, and want to grow in a modern cloud-based product environment.