Senior Frontend Engineer ReactJS/Python - Paris - H/F

France | Oct. 22, 2026

Report as Closed

Company: Free

Country: France

Type: Onsite

Employment: Full Time

Description:

Company description

At Free, you will find a unique and very marked internal culture. There is a strong collective state of mind. Recruitment is open, without preconceptions: we do not judge people based on their age or their background.
We like to move quickly, do things ourselves, and we rely on autonomy to be efficient. You'll see: at Free, we feel free! 

Job description

We are looking for a developer to take part in the unification, modernization and evolution of our environment. You will join a team of 8 experienced people, spread between Paris and Montpellier, and will participate in both reflections on future practices, as well as in maintaining the different existing environments serving Free's digital products. This is about helping to evolve the interfaces that our subscribers and future subscribers will use.

Missions

• Design and develop responsive, robust and accessible web interfaces in React and TypeScript.
• Use the React stack, TypeScript, Tailwind CSS, + Python (FastAPI)
• Continuously integrate UX/PO feedback into a logic of improvement continues
• Participate in the implementation and improvement of automated testing best practices

Product & project collaboration

• Collaborate closely with the product (PO) and design (UX/UI) teams
• Work as a team / ensure fluid communication within the team, regardless of the project or the location of the stakeholders

The environment technical

• Front-end: React, TypeScript, Tailwind CSS
• Back-end: Next.js (Node), Python/FastAPI
• Tools: Jira, Git

Qualifications

5 to 8 years of experience in front-end development, including significant experience on structuring projects using React and TypeScript.

Skills

• Very good command of React, TypeScript and Tailwind CSS.

The +s:

• Knowledge of Next.js on the back-end side
• Experience or interest in Python/FastAPI development

Soft skills

• Product awareness, rigor and autonomy.
• Ability to challenge, dialogue and share good practices.
• Flexibility and reactivity in the face of unforeseen circumstances.
• Strong appetite for teamwork and fluid communication.

Recruitment process

• Tech Recruiter interview, to get to know and understand your career path.
• Pre-selection test: quick exercise (30 min) to evaluate your technical bases.
• Technical test: in-depth technical situation: a concrete case linked to the team's daily life.
• Manager interview

Additional information

Advantages:

Package

• Salary according to profile: (to be negotiated according to experience)
• Interest and participation linked to the performance of the Group Iliad
• Reimbursement of your Free box (Freebox)
• Swile meal voucher card: €10/day (60% covered by Free)
• Transport reimbursement: up to 70%
• Advantageous health and welfare coverage
• Time Savings Account (CET)
• CSE advantages: gift vouchers, discounts, offers exclusive

The Iliad group is fully committed to its employees, through a strict policy of non-discrimination and the fight against harassment. All applications are welcome, regardless of background, age, origin, gender or sexual orientation.

Apply here:

Web: Apply here

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