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LUCKY CART

LUCKY CART

www.luckycart.com

2 Jobs

88 Employees

About the Company

Lucky cart in 3 figures means every day: 2 million receipts collected, 18.5 million ultra-personalized offers ready, and 90% coverage of the French online grocery market. Our job is Smart Commerce. We transform purchase data into growth drivers to tackle the business challenges of brands and retailers. How? We combine first-party data analysis with the power of retail media. By leveraging real-time shopping data and receipts, we create a dynamic profile for each shopper, understanding and anticipating their future purchasing behaviors. The result: ultra-personalized digital activation, integrated into the shopping journeys on partner retailer platforms, which ultimately converts effectively. Our expertise covers the entire mar-tech value chain: data collection, processing, activation, and post-campaign analysis. Our ambition is to move from digital commerce to Smart Commerce. A way of doing business based on facts, more relevant and ultimately more engaging for the shopper.

Listed Jobs

Company background Company brand
Company Name
LUCKY CART
Job Title
Lead Fullstack Developer (H/F)
Job Description
**Job Title:** Lead Fullstack Developer (M/F) **Role Summary:** Lead technical design and development of high‑impact web applications and services. Drive architectural decisions, enforce coding standards, and guide the engineering team through agile delivery cycles while remaining actively involved in hand‑on development. **Expectations:** - Demonstrate strong leadership and clear technical guidance. - Maintain rigorous quality, reliability, and scalability in all deliverables. - Foster a culture of continuous improvement, knowledge sharing, and high standards. **Key Responsibilities:** - Design, develop, and evolve web applications and APIs. - Define software architecture and technology choices. - Serve as a technical mentor for frontend and backend developers. - Ensure code quality through reviews, testing, CI/CD, monitoring, and documentation. - Diagnose and resolve performance, scalability, and security issues. - Contribute to engineering process, tooling, and standards improvement. - Collaborate with Product Manager on task estimation and backlog grooming. - Lead technology scouting and propose relevant stack enhancements. **Required Skills:** - Proficient in JavaScript/TypeScript and Node.js. - Strong experience with modern frontend frameworks (React preferred). - Solid knowledge of backend frameworks (NestJS preferred). - Familiarity with distributed architectures, microservices, Docker, and Kubernetes. - Expertise in NoSQL databases and performance tuning. - Hands‑on experience with Git, unit/integration testing, CI/CD pipelines, observability, and security best practices. - Ability to simplify complex technical problems and mentor peers. - Excellent collaboration and communication skills. - Fluent in English. **Required Education & Certifications:** - Minimum Bac +5 (engineering school or equivalent). - ≥ 5 years of professional experience, including ≥ 2 years as a Lead. - Valid technical certifications are a plus. ---
Paris, France
On site
Senior
07-01-2026
Company background Company brand
Company Name
LUCKY CART
Job Title
Senior Backend Python Developer (H/F)
Job Description
**Job Title** Senior Backend Python Developer **Role Summary** Design, develop, and maintain scalable micro‑service backends focused on data orchestration and processing. Work collaboratively with product and AI teams within an agile framework to deliver high‑quality, reliable services on Google Cloud Platform. **Expectations** - Deliver reusable, well‑tested Python modules and micro‑services. - Design and optimize data pipelines ensuring performance, reliability, and scalability. - Apply best software engineering practices (CI/CD, code reviews, documentation). - Communicate design decisions and mentor junior team members. - Resolve complex data‑volume and scalability challenges. **Key Responsibilities** - Build and maintain backend services for consumer activation and media retail workflows. - Develop and manage data orchestration pipelines using tools such as Airflow or Dagster. - Write efficient SQL and NoSQL queries for data manipulation and structuring. - Contribute to micro‑service architecture design and containerization strategy. - Ensure code quality through automated tests, continuous integration, and thorough documentation. - Participate in sprint planning, backlog refinement, and agile ceremonies. - Identify bottlenecks and propose engineering improvements for the stack. - Share knowledge and promote engineering best practices across the team. **Required Skills** - Advanced proficiency in Python (backend module development). - Experience with workflow orchestration tools (Airflow, Dagster, or equivalent). - Strong background in Google Cloud Platform services (Functions, BigQuery, Pub/Sub, etc.). - Solid SQL skills; familiarity with NoSQL databases preferred. - Deep understanding of version control (Git), CI/CD pipelines, and code‑review workflows. - Excellent problem‑solving, independent working, and collaborative communication. - Fluent in English. **Required Education & Certifications** - Bachelor’s or Master’s degree (Bac + 5) in Computer Science, Engineering, or related field. - Minimum 5 years of professional experience in backend development. - No mandatory certifications required, but knowledge of cloud security and data engineering concepts is a plus.
Paris, France
On site
Senior
22-01-2026