Senior Full Stack Developer - Flexible, Java/Spring & React

Hexa Consulting; Lisboa; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Training & Certification

Private Health Insurance

Mental Health Support

Flexible Work

Family Support

Company Culture

Job summary

Hexa Consulting is seeking a senior Full Stack Developer to join one of our international projects in Lisbon. You will contribute to the development and continuous improvement of modern, scalable applications in a collaborative, dynamic environment.

You will build and maintain backend services with Java, Spring Boot and REST APIs, and craft frontend interfaces with React and Next.js. Strong English communication is required.

Qualifications

• At least 5 years of experience as a Full Stack Developer.
• Experience with Java, Spring, and Spring Boot.
• Experience with React and Next.js.

Responsibilities

• Develop and maintain back end applications using Java and Spring Boot, implementing scalable and maintainable business logic and integrating REST APIs with internal and external services.
• Develop and maintain front end applications using React and Next.js, building reusable components, integrating backend APIs, and ensuring responsive and user-friendly interfaces.
• Design, implement and maintain REST APIs and SQL-based data solutions, working with relational databases such as MS SQL Server and troubleshooting performance or data-related issues.
• Write and maintain unit and integration tests, investigate and resolve bugs, optimize application performance, and contribute to overall code quality and technical improvements.

Skills

Full stack development

REST API design

Unit testing

English communication

Tools

Java

Spring

Spring Boot

React

Next.js

Git

CI/CD

Job description

Hexa Consulting is seeking a senior Full Stack Developer to join one of our international projects in Lisbon. You will contribute to the development and continuous improvement of modern, scalable applications in a collaborative, dynamic environment.

You will build and maintain backend services with Java, Spring Boot and REST APIs, and craft frontend interfaces with React and Next.js. Strong English communication is required.