Senior Full-Stack Dev: React & Java | 60% Remote

SII Group Spain; Barcelona; Híbrido; EUR 55.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Relocation assistance

Personalised training

60% remote, 40% office

Flexible benefits package

Descripción de la vacante

At SII Group Spain, we are looking for an experienced Full Stack Developer (ReactJS & Java) to join our team in Barcelona. This position offers a hybrid working model with 60% remote work and 40% in-office collaboration within an international IT services environment.

You will contribute to modernising applications, designing RESTful services, and integrating AI-assisted development tools to deliver a personalised customer experience.

Formación

• 5+ years of experience in full-stack development with ReactJS and Spring Boot.
• Strong knowledge of ReactJS and modern frontend development.
• Strong knowledge of Java 21 and Spring Boot 4.x.
• Proven experience developing and maintaining REST APIs.
• Extensive experience working with Git.
• Experience with AI-assisted software development and AI-powered development tools.
• Practical knowledge of Kubernetes in a DevOps environment.
• Strong understanding of Software Craftsmanship principles, including clean code, TDD and software quality best practices.
• Excellent analytical and problem-solving skills, particularly when analysing existing applications and translating their functionalities into new architectures.
• Strong communication skills, openness to constructive feedback and a collaborative, team-oriented mindset.
• A proactive attitude, autonomy and a strong willingness to share knowledge and continuously improve.
• Native-level French is required.
• Knowledge of Python is a plus

Responsabilidades

• Develop, maintain and enhance full-stack applications with ReactJS, Java 21 and Spring Boot 4.x.
• Modernise and migrate existing applications to a new architecture based on ReactJS and Spring Boot.
• Analyse existing applications and translate functional and technical requirements into new solutions.
• Collaborate with stakeholders and technical teams to clarify requirements and define the best implementation approaches.
• Design, develop and maintain REST APIs and integrations between different systems.
• Work within a team evolving towards Agile methodologies, Software Craftsmanship and DevOps practices.
• Contribute to AI tools and AI-assisted development solutions to improve applications and deliver a personalised customer experience.
• Monitor production environments, ensure application stability and troubleshoot issues.
• Apply and promote clean code, TDD and software quality best practices.
• Actively contribute to the team's continuous improvement culture by sharing knowledge and exchanging ideas.
• Participate in technical discussions, provide constructive feedback and help the team continuously improve its development practices.
• Ensure the quality, reliability and maintainability of the applications throughout their lifecycle.

Conocimientos

ReactJS

Java

Spring Boot

REST APIs

Git

Kubernetes

AI-assisted development

DevOps

TDD

Educación

Computer Science or Software Engineering degree

Herramientas

Kubernetes

Git

Descripción del empleo

At SII Group Spain, we are looking for an experienced Full Stack Developer (ReactJS & Java) to join our team in Barcelona. This position offers a hybrid working model with 60% remote work and 40% in-office collaboration within an international IT services environment.

You will contribute to modernising applications, designing RESTful services, and integrating AI-assisted development tools to deliver a personalised customer experience.