Full Stack Engineer
- Java / Node.js & React

Location:
Remote
- Europe Contract: 12 months Rate: €250-€300 per day Start: November 2026

About the Role
We are seeking an experienced Full Stack Engineer for an exciting 12-month remote contract with an established international organisation. You will contribute to the design, development and optimisation of scalable web applications, working across both front-end and back-end technologies. You will take ownership of product features, collaborate with technical teams across the development lifecycle, and ensure solutions are secure, reliable and aligned with business requirements.

Key Responsibilities
* Design, develop and maintain full-stack web applications using Java (Spring Boot) or Node.js, alongside React and TypeScript.
* Build and integrate RESTful APIs within microservices-based architectures.
* Work with relational and non-relational databases to support application functionality and performance.
* Contribute to technical design discussions, balancing scalability, business value and delivery timelines.
* Develop unit tests and promote test-driven development practices.
* Identify and resolve technical issues, including application performance and debugging challenges.
* Implement secure coding practices and consider potential security risks.




* Participate in peer reviews and maintain high standards of code quality.
* Lead the development and delivery of individual product features.
* Support containerisation, deployment and continuous integration processes. Essential Skills & Experience
* Strong programming experience with Java and Spring Boot or Node.js.
* Excellent knowledge of JavaScript (ES6 ), TypeScript and React.js.
* Experience with REST APIs, JSON/XML, microservices and API gateway integrations.
* Practical experience with databases such as PostgreSQL, MySQL, Oracle or Elasticsearch.
* Understanding of web performance optimisation, browser security, CORS, XSS, CSRF and WCAG accessibility standards.
* Experience with Docker and Kubernetes.
* Familiarity with AWS, Azure or Google Cloud Platform.
* Knowledge of CI/CD pipelines and version control tools such as Git, GitLab, Jenkins or Bitbucket.
* Strong analytical, problem-solving and debugging skills.
* Confident communication skills and the ability to collaborate with distributed technical teams. Desirable Experience
* Developing administrative consoles or data-intensive dashboard interfaces.
* Exposure to Enterprise Content Management (ECM), Business Process Management (BPM) or Intelligent Document Processing (IDP) platforms.
* Experience working with complex microservices environments.

📌 Full Stack Engineer (Ceuta)
🏢 Square One Resources
📍 Ceuta