> Markdown version of [/jobs/ext/4229162-senior-fullstack-developer-java-react](https://www.wearedevelopers.com/jobs/ext/4229162-senior-fullstack-developer-java-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Fullstack Developer (Java,React)

- **Company:** Luxoft
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Architectural Patterns, HTML5, Cascading Style Sheets (CSS), Relational Databases, Database Models, Software Debugging, Design of User Interfaces, NoSQL, Software Architecture, Responsive Web Design, Software Engineering, SQL Databases, TypeScript, Web Applications, ReactJS, Spring-boot, Backend, Integration Tests, Information Technology, Front End Software Development, React Redux, Restful APIs, Docker, User Administration, Microservices
- **Published:** October 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6edd27b5a9e1cc53

## About the Role

Must have

Java Development:

Proficiency in Java (Java 8+) (at least 5 years of experience).

Experience with Spring/Spring Boot.

Strong RESTful API skills.

Excellent SQL, noSQL and database modeling skills, with several well-known relational databases

Good knowledge of Docker

Good knowledge of software architecture and design

React.js:

Expertise in React.js. (at least 3 years of experience)

Strong commercial experience with React, TypeScript, JavaScript

Familiarity with state management (e.g., Redux).

Fullstack Development:

Proven experience in end-to-end web app development.

Ability to bridge front-end and back-end development.

Front-End Technologies:

HTML5, CSS3, and responsive design.

Knowledge of front-end libraries/frameworks.

Testing and Debugging:

Unit/integration testing.

Debugging complex software issues.

Software Architecture:

Understanding of architecture patterns and microservices.

Problem-Solving and Collaboration:

Strong analytical and communication skills.

Education and Experience:

Bachelor's or higher in Computer Science or related field.

At least 4 years of relevant fullstack development experience.

## Description

Fullstack Development: Lead the end-to-end development of web applications using Java for backend and React.js for frontend.

Architectural Design: Collaborate on scalable and efficient software architecture.

UI Development: Create user-friendly interfaces with React.js, HTML5, and CSS3.