Senior Fullstack Developer (Java + React) | Hybrid & Impact

K-Lagan; Barcelona; Híbrido; EUR 65.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Birthday day off

Private health insurance

Flexible compensation plan

Gym discounts

Volunteer day

Descripción de la vacante

K-LAGAN in Barcelona is seeking a Senior Fullstack Developer to join our Software Engineering team. You will build end-to-end applications, develop interactive React interfaces, and robust Java backend services in a cloud environment.

You should have 4+ years of experience with Java/Spring Boot, React, Docker, Kubernetes, CI/CD and Azure, plus strong English communication. We offer a permanent contract with hybrid work, flexible hours, and a culture focused on innovation and sustainability.

Formación

• 4+ years of software development experience with Java and React.
• Degree in Computer Science or equivalent.
• Strong knowledge of Java (Spring Boot), React.js, Docker, Kubernetes, CI/CD, and Azure.
• Fluent English (B2/C1) for international teamwork.
• Familiarity with Agile methodologies, Clean Code, and TDD.

Responsabilidades

• Develop end-to-end applications and robust backend services.
• Lead frontend development with React interfaces and Redux/Context API.
• Manage container lifecycles with Docker and Kubernetes in production.
• Automate deployments via CI/CD pipelines in Azure.
• Optimize performance and security for a reliable user experience.

Conocimientos

Java

React

CI/CD

Agile

TDD

Clean Code

English communication

Educación

Bachelors in CS or related field

Herramientas

Spring Boot

Docker

Kubernetes

Azure Cloud

Descripción del empleo

K-LAGAN in Barcelona is seeking a Senior Fullstack Developer to join our Software Engineering team. You will build end-to-end applications, develop interactive React interfaces, and robust Java backend services in a cloud environment.

You should have 4+ years of experience with Java/Spring Boot, React, Docker, Kubernetes, CI/CD and Azure, plus strong English communication. We offer a permanent contract with hybrid work, flexible hours, and a culture focused on innovation and sustainability.