Lead Developer (Python/React) - CDI - Paris

After a successful transformation phase, we are entering a new key chapter in 2026: acceleration.

Today, we are a strong, profitable and fast-growing European scale-up, with a clear ambition: to become the reference for local customer experience for multi-location businesses.

Our mission is simple: help companies better manage their visibility, interactions and local customer relationships through an all-in-one platform, designed mobile-first and AI-first.

At Partoo, innovation is meaningful, impact is tangible, and success is built collectively.

Joining the adventure means contributing to an ambitious, sustainable project with strong international growth.

TEAM 💚

You will join the Engineers department, made up of nearly 40 people, whose mission is to designs and builds high-impact features, evolves a robust and scalable infrastructure, and turns product ideas into concrete solutions used every day by thousands of points of sale.

You will report directly to Jonàs, our CTO.

MISSIONS 🔥

The BirdPerson impact team has a strong backend orientation. One of its core responsibilities is the diffusion of our customer's data on the various platforms we manage (Google, Apple, Waze, ...).

As the technical lead of this team, you will be responsible for:

• Supporting your Product Manager in achieving the product vision, and offering them strong support regarding the sometimes very technical aspects of the scope.

• Providing technical expertise on product explorations and features.

• Participating in the development of these features.

• Ensuring that the code aligns with quality standards, track technical debt in the impact team's backlog, and make suggestions to improve the system over time.

• Ensuring skill development through reviews, pair programming, etc.

• Involving the team in decision-making and discussions (tech strategy, roadmap, etc.).

• Co-organizing team rituals.

You will work on our Python Fast API, Celery Workers, React Typescript frontend with a Postgres database on a monolithic architecture that we are working to split in domains.

EXPERIENCES & SKILLS 💼

• Proven experience as a Lead Developer

• Proficiency in Python within a web stack (e.g, FastAPI, Django or Flask)

• Experience in a front-end JS framework (experience React/Redux is a plus)

• Previous experience with Celery is a strong bonus

• Previous experience of working at scale is a strong bonus

• Good oral and written communication skills regarding technical challenges

• Strong problem-solving skills

• Being comfortable with English is a must have as we are an international team

HIRING PROCESS 🎭

1. First Interview with Julie, Talent Acquisition (video call, 45min)

2. Business Case Interview with 2 team members (2 video calls, 1 hour each)

3. Final Interview with Jonàs, CTO (1h) & Savinien, CPO (30min), at our offices

As part of our recruitment process at Partoo, at least one step takes place in our offices in Paris or Barcelona, to meet our teams in person.

COMPENSATION 💸

• Salary: 60K - 70K

• Our compensation grids are built using the Figures tool, based on an internally defined career path with a strong focus on fairness across teams.

• A quarterly 360° feedback is conducted with your manager, complemented by an annual compensation review based on performance and behavior.

WORK ENVIRONMENT & BENEFITS 🎁

• Work environment: Eco-responsible offices in Paris 18, accessible to people with disabilities (RQTH).

• Committed company: 2 paid volunteering days per year, B Corp certified, Approved Disability Agreement, ISO 27001 certification in progress, internal groups such as Women@Partoo.

• Health & well-being: Health insurance and mental health prevention support with Alan, coaching sessions with Moka.care, partnership with Gymlib (4,500 gyms, 300 activities).

• Daily life: Worklife card with meal vouchers, sustainable mobility allowance, CESU.

• Flexibility: 6 RTT days per year in addition to paid leave. 2 to 3 remote working days per week, plus 6 additional weeks per year after the probation period.

• CSE: Ensures employee well-being, safety, health and working conditions, and offers benefits via the Leeto platform.

• Collective life: Company retreats, events and shared moments such as card tournaments, sports challenges, yoga sessions, cooking workshops. Whatever your interests, you will find a group that suits you, and we actively encourage inclusive initiatives so everyone can connect and share.

• To go further: These elements are complemented in our Culture Book, which covers our culture, rituals, career paths and internal practices. Feel free to consult it.

At equal skills, this position is open to people with disabilities or equivalent status, in accordance with Article L5212-13 of the French Labor Code.

Partoo is actively committed to the employment of people with disabilities, notably through dedicated actions and its Disability ERG, and more broadly operates as a company with strong environmental, social and inclusion commitments. Partoo is B Corp certified.

As part of our recruitment process, personal data is processed in compliance with GDPR, within a secure environment aligned with ISO 27001 requirements.