Remote Full-Stack Engineer: Java/Node + React

Square One Resources Limited; España; Remote; EUR 46,000 - 55,000; Full time

Job summary

Square One Resources Limited is seeking a experienced Full Stack Engineer for a 12-month remote contract across Europe. The role focuses on building scalable web applications using Java/Spring Boot or Node.js with React and TypeScript.

You will own features end-to-end, collaborate with distributed teams, and ensure secure, reliable solutions that meet business requirements. The position starts November 2026 and offers a daily rate of €250-€300.

Qualifications

• Proven experience designing and delivering full-stack web apps.
• Ability to own product features across development lifecycle.
• Strong debugging and performance optimization skills.

Responsibilities

• Design, develop and maintain full-stack apps using Java/Spring Boot or Node.js with React/TypeScript.
• Build and integrate RESTful APIs within microservices architectures.
• Work with relational and non-relational databases to support functionality.
• Contribute to technical design discussions balancing scalability and timelines.
• Develop unit tests and promote test-driven development.
• Identify and resolve performance and debugging issues.
• Implement secure coding practices and handle security risks.
• Lead feature development and participate in code reviews.
• Support CI/CD processes, deployment and containerisation.

Skills

Java / Spring Boot

Node.js

React.js / TypeScript

REST APIs / Microservices

Databases (PostgreSQL / MySQL)

Docker & Kubernetes

Cloud platforms (AWS / Azure / GCP)

CI/CD (Git / GitLab / Jenkins / Bitb)

Problem solving & collaboration

Tools

Git

GitLab

Jenkins

Bitbucket

AWS

Azure

GCP

Job description

Square One Resources Limited is seeking a experienced Full Stack Engineer for a 12-month remote contract across Europe. The role focuses on building scalable web applications using Java/Spring Boot or Node.js with React and TypeScript.

You will own features end-to-end, collaborate with distributed teams, and ensure secure, reliable solutions that meet business requirements. The position starts November 2026 and offers a daily rate of €250-€300.