Lead Developer (Python/React) - CDI - Paris - M/F/D

Partoo; Paris; Hybrid; EUR 70,000 - 85,000; Full time

Benefits offered by this job

Health insurance

Mental health support

Meal vouchers

Mobility allowance

Remote work 2–3 days per week

Company retreats

Job summary

Partoo, a fast-growing European scale-up, is expanding its Engineering team in Paris and Barcelona. We seek a Lead Developer to drive technical excellence across Python web stack and modern frontend, collaborating with product and design to deliver scalable features used by thousands of points of sale.

You will mentor teammates, own code quality, and help define architecture in an international, English-speaking environment.

Qualifications

• 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

Responsibilities

• 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.

Skills

Lead Developer

Python web stack (FastAPI/Django/Flask

React/Redux

English proficiency

Problem-solving

Communication skills

Tools

Celery

Job description

After a successful transformation phase, we're entering a key new stage in 2026: acceleration.

Today, we're a solid, profitable, and growing European scale-up, proudly ranked in the French Tech 120, with a clear ambition: to become the go-to reference for local customer experience for multi-location businesses.

Our mission is simple: help businesses better manage their visibility, interactions, and local customer relationships through an all-in-one platform, built mobile-first and AI-first. Here, innovation is meaningful, impact is tangible, and success is built together.

Joining the adventure means contributing to an ambitious, sustainable project in the midst of international expansion.

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

• 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.

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

• First Interview with Julie, Talent Acquisition (video call, 45min)
• Business Case Interview with 2 team members (2 video calls, 1 hour each)
• 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: 70K - 85K
• 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: B Corp certified, ranked French Tech 120, Disability Agreement (Accord Agréé Handicap), ISO 27001 standard, 2 volunteer days/year offered, 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.

How we hire

At Partoo, we’re committed to assessing your application fairly and transparently. With equal skills, this position is open to people with disabilities or equivalent status, in accordance with Article L5212-13 of the French Labour Code. We’re actively committed to their employment, notably through dedicated initiatives and our Disability ERG, and more broadly to strong environmental, social and inclusion commitments, recognised by our B Corp certification. If you need any accommodation during the process, just let us know and we’ll adapt.

When it comes to tools, we use AI to optimise certain steps of our process. Applications are pre‑screened by AI based on criteria defined upfront with our management teams, and AI also supports us with note‑taking during interviews. It helps us be more responsive and give you more attention during our conversations. Every application is then reviewed and every decision is made by our recruitment team. Interviews are only recorded with your consent, which you can decline at any time with no impact on your application. Finally, your personal data is processed in compliance with the GDPR, within a secure environment aligned with the requirements of the ISO 27001 standard.