Full Stack Developer (React, Node.js, Python plus)

Madiff; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

Madiff is seeking an experienced Full Stack Developer to join a global technology project building scalable, secure platforms. You will develop front-end interfaces in React and back-end services in Node.js, with Python as a plus.

You will work on enterprise-scale applications across finance, retail, telecom, contributing to microservices, robust APIs, and performance optimisations in a multilingual, multinational environment.

Qualifications

• 4+ years of commercial experience as a Full Stack Developer.
• Strong expertise in React (hooks, state management, modern front-end practices).
• Hands-on experience with Node.js (REST APIs, asynchronous programming, Express/NestJS).
• Familiarity with SQL/NoSQL databases.
• CI/CD pipeline experience and Git proficiency.
• Fluent English for technical discussions and documentation.

Responsibilities

• Develop new features and UI components using React
• Build scalable APIs and services with Node.js
• Contribute to data-driven microservices, where Python experience is a strong advantage
• Write and maintain unit tests for high test coverage
• Participate in code reviews and Agile/Scrum ceremonies
• Collaborate with designers, analysts, and engineers to ensure business requirements are met
• Optimise application performance and ensure secure, scalable architecture

Skills

React

Node.js

Python

SQL/NoSQL databases

CI/CD

Git

English

Job description

Full Stack Developer (React, Node.js, Python plus)

We are looking for an experienced Full Stack Developer (React, Node.js, Python as a plus) to join a global technology project building scalable, secure, and high-performance digital platforms. The role focuses on developing modern front-end interfaces in React, robust back-end services in Node.js, and contributing to data-driven microservices, with Python experience as a strong advantage.

Responsibilities

• Develop new features and UI components using React
• Build scalable APIs and services with Node.js
• Contribute to data-driven microservices, where Python experience is a strong advantage
• Write and maintain unit tests for high test coverage
• Participate in code reviews and Agile/Scrum ceremonies
• Collaborate with designers, analysts, and engineers to ensure business requirements are met
• Optimise application performance and ensure secure, scalable architecture

Requirements

• 4+ years of commercial experience as a Full Stack Developer
• Strong expertise in React(hooks, state management, modern front-end practices)
• Proven hands‑on experience with Node.js(REST APIs, asynchronous programming, Express/NestJS)
• Familiarity with SQL/NoSQL databases
• CI/CD pipeline experience and Git proficiency
• Fluent English for technical discussions and documentation

Nice to have

• Cloud platform knowledge (AWS, Azure, or GCP)
• UX awareness and performance optimisation experience

• Work on enterprise projects with global impact in finance, retail, telecom and more
• Access to the latest tech stack in cloud, data, and AI
• Work in multilingual, multinational and multicultural environment on international projects
• Long‑term B2B contract with stable project pipeline