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# Fullstack Developer

- **Company:** K LAGAN
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Agile Methodology, Microsoft Azure, Continuous Integration, Software Engineering, ReactJS, Spring-boot, Kubernetes, Information Technology, Deployment Automation, Front End Software Development, React Redux, Docker
- **Published:** August 11, 2026
- **Apply:** https://eu.experteer.com/career/view-jobs/fullstack-developer-barcelona-cataluna-spanien-58879600

## About the Role

technical background, * 4+ years of software development experience with strong Java and React expertise * Solid knowledge of Java (Spring Boot), React.js, Docker, Kubernetes, CI/CD, and Azure Cloud services * Fluent English (B2/C1) for international collaboration * Familiarity with Agile methodologies and development best practices (Clean Code, TDD) Key requirements * Permanent contract * Hybrid work model * Flexible working hours * 3 C's Recognition Program with financial rewards * Career development and continuous learning * Birthday day off

## Description

Experteer Overview As a Fullstack Developer at K-LAGAN, you will build end-to-end applications with React front-ends and Java back-ends, enabling scalable cloud deployments. You'll contribute to an international, dynamic engineering team focused on impactful projects and continuous growth. You will shape product interfaces and robust APIs while ensuring performance and security. You'll work closely with cross-functional colleagues to deliver value in Azure-based environments. This role offers the chance to influence tech decisions in a sustainability-minded company. Pay / Benefits * Develop modern user interfaces using React.js with Redux/Context API * Build scalable APIs with Java and Spring Boot to support frontend features * Manage container lifecycles with Docker and Kubernetes in production * Automate deployments via CI/CD pipelines in Azure * Optimize performance and security for a smooth user experience Tasks * Degree in Computer Science, Software Development, or equivalent technical background * 4+ years of software development experience with strong Java and React expertise * Solid knowledge of Java (Spring Boot), React.js, Docker, Kubernetes, CI/CD, and Azure Cloud services * Fluent English (B2/C1) for international collaboration * Familiarity with Agile methodologies and development best practices (Clean Code, TDD) Key requirements * Permanent contract * Hybrid work model * Flexible working hours * 3 C's Recognition Program with financial rewards * Career development and continuous learning * Birthday day off


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