Fullstack Developer Intern: Build AI-Driven SaaS

87seconds Group; Levallois-Perret; On-site; EUR 12,000 - 17,000; Full time

Job summary

Wezen, the SaaS engine of the 87seconds Group, is seeking a Fullstack Developer Intern to join our Paris/Manila teams. You will contribute to evolving our SaaS platform, working with experienced developers and product teams, and gradually take ownership of projects on real software used by international clients.

You'll gain hands-on experience across backend and frontend (Java 21, Spring, Angular) in a modern, autonomous environment that values learning, experimentation, and collaboration.

Qualifications

• Must be currently studying Computer Science, Software Engineering or a related field.
• First software development experience through academic, personal, or professional projects.
• Basic knowledge of object-oriented programming.
• Good command of English, both written and spoken.
• Team spirit and good communication skills.
• Curiosity, autonomy and a genuine passion for software development.
• Willingness to learn and take on technical challenges.

Responsibilities

• Developing and improving new features for our SaaS platform.
• Participating in design and technical architecture of features.
• Writing clean, maintainable and high-quality code.
• Working on both backend and frontend development.
• Participating in code reviews and technical discussions.
• Contributing to UX and product improvements.
• Taking part in deployment and monitoring of applications.
• Participating in Scrum ceremonies and Agile methodology.
• Investigating technical topics and carrying out technology benchmarks.
• Proposing ideas and improvements to product and development processes.

Skills

Programming fundamentals

Object-oriented programming

English communication

Team spirit

Curiosity/autonomy

Willingness to learn

Education

Currently studying Computer Science

Tools

Java

Spring

Angular

Git

SQL

AWS

Job description

Wezen, the SaaS engine of the 87seconds Group, is seeking a Fullstack Developer Intern to join our Paris/Manila teams. You will contribute to evolving our SaaS platform, working with experienced developers and product teams, and gradually take ownership of projects on real software used by international clients.

You'll gain hands-on experience across backend and frontend (Java 21, Spring, Angular) in a modern, autonomous environment that values learning, experimentation, and collaboration.