Fullstack Developer Intern

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 is the SaaS technology engine of the 87seconds Group. We build the next-generation Content Operating System that empowers global brands (Luxury, Retail, CAC 40) to create, localize, and deploy high-impact semantic content at scale.

By combining advanced AI capabilities (generative workflows, agentic orchestration, semantic quality scoring) with seamless human collaboration, we redefine how enterprises manage content across all digital touchpoints (PIM, DAM, CMS, Social).

Born in 2017, Wezen is now a fast-growing team of tech passionates spread across Paris and Manila. We operate in autonomous Feature Teams and Guilds, driven by a culture of ownership, innovation, and "autonomy in harmony."

If you want to build high-impact software, solve complex multimodal and AI-driven content challenges, and shape the future of enterprise MarTech, you belong at Wezen.

Your role

As a Fullstack Developer Intern, you will join our development team and contribute to the evolution of our SaaS platform.

You will work closely with experienced developers and product teams and gradually take ownership of your projects. This internship is an opportunity to gain hands‑on experience in a modern software environment while contributing to a real product used by international clients.

Your main responsibilities

Depending on your experience and interests, you will contribute to:

• Developing and improving new features for our SaaS platform
• Participating in the 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 the deployment and monitoring of applications
• Participating in our Scrum ceremonies and Agile methodology
• Investigating technical topics and carrying out technology benchmarks
• Proposing ideas and improvements to the product and development processes

You will be encouraged to learn, experiment and progressively take ownership of your work.

Our development team

At Wezen, we believe that great software comes from a combination of technical excellence, autonomy and continuous learning.

Our team values:

• MVP: quick results and fast iterations
• Agility: in everything we do
• DevOps: “You build it, you run it”
• Software editor mindset: we build and own our software
• Modern and modular technologies
• Freedom to choose the right tools
• Continuous learning: only learning makes you better at your job
• Taking risks: sometimes failing is part of learning

Our tech stack

• Backend: Java 21, Spring, Hibernate, Lombok
• Frontend: Angular 21
• Database: MySQL, Redis
• Cloud: AWS

You don't need to master all of these technologies when you join us. What matters most is your ability and willingness to learn.

Profile

Must have:

• Currently studying Computer Science, Software Engineering or a related field
• First experience in software development through academic, personal or professional projects
• Basic knowledge of object-oriented programming
• Good understanding of software development fundamentalsGood 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

Nice to have:

• Experience with Java, Spring or Angular
• Knowledge of JavaScript / TypeScript
• Experience with SQL or relational databases
• Familiarity with Git
• Knowledge of Agile / Scrum methodologies
• Experience with cloud technologies, especially AWS
• Experience with CMS technologies such as Drupal, Adobe Experience Manager or Salesforce Commerce Cloud
• Interest in Natural Language Processing (NLP)
• International experience

What you can expect

• A hands‑on experience within a real SaaS product team
• The opportunity to work on features used by international clients
• Close collaboration with experienced developers and product teams
• A modern technical environment
• An international team, with colleagues in Paris and Manila
• A culture that encourages autonomy, experimentation and continuous learning

We believe that diversity and inclusion are essential to the success of our company. We are committed to creating an inclusive working environment where everyone, whatever their abilities, can flourish. 87seconds Group guarantees fairness for all during the recruitment process, regardless of gender, ethnic origin, religion, sexual orientation, social status, disability or age.