Java Fullstack Developer: Build Impactful Solutions

Fyld; Porto; On-site; EUR 42,000 - 64,000; Full time

Job summary

Fyld is hiring a Java Fullstack Developer. Fyld is a Portuguese consulting company that values transparency, respect and everyone’s growth. We seek an experienced developer with a strong backend foundation to build modern, scalable web applications.

By joining Fyld, you’ll be challenged to innovate, collaborate and grow in a team that delivers real impact. We’re looking for a candidate with 3+ years in Java, proficiency in Spring, Hibernate, REST APIs, and frontend experience with React or

Qualifications

• Degree in Computer Science or related field.
• Minimum of 3 years of professional Java development experience.
• Strong proficiency in Java and object-oriented programming.
• Experience with Spring and Spring Boot.
• Experience with Hibernate/JPA and ORM technologies.
• Experience designing and developing REST APIs and backend services.
• Good understanding of software architecture, clean code and development best practices.
• Experience with a modern frontend framework (React or Angular).
• Good knowledge of JavaScript and TypeScript, HTML5 and CSS3.
• Experience with relational databases (PostgreSQL, Oracle, MySQL).
• Good knowledge of SQL and database design.
• Experience with unit and integration testing (JUnit/Mockito).
• Good knowledge of Git and version control.
• Experience with Maven or Gradle.
• Familiarity with CI/CD practices.
• Understanding of API/web security principles.
• Ability to troubleshoot and optimize applications.
• Strong analytical and problem-solving skills.
• Ability to work in Agile teams.
• Fluency in English.

Skills

Java

Spring

Hibernate / JPA

REST APIs

Software architecture

Clean code

JUnit/Mockito

Git

Maven/Gradle

CI/CD

Agile development

English

Education

Degree in Computer Science, Software Engineering, Information Technology, or a related field

Tools

Spring Boot

React

Angular

PostgreSQL

MySQL

Job description

Fyld is hiring a Java Fullstack Developer. Fyld is a Portuguese consulting company that values transparency, respect and everyone’s growth. We seek an experienced developer with a strong backend foundation to build modern, scalable web applications.

By joining Fyld, you’ll be challenged to innovate, collaborate and grow in a team that delivers real impact. We’re looking for a candidate with 3+ years in Java, proficiency in Spring, Hibernate, REST APIs, and frontend experience with React or