Senior software engineer

Senior Software Engineer

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Lengow . Lengow, an intelligent and automated e-commerce platform : Lengow is a leader in intelligent e-commerce solutions that help brands and retailers drive profitable growth across the digital shelf. With powerful feed management, global price monitoring, and robust data capabilities, Lengow’s comprehensive SaaS product suite enables merchants to amplify product visibility online, outrun competition with informed pricing, multiply sales on marketplaces, and monitor brand presence among distributors. Since 2009, Lengow has fueled digital growth for over 3,600 customers across thousands of marketing and sales channels in over 60 countries. The Tech, Data, and Product team comprises 70+ people from diverse backgrounds, working in our offices in Nantes, Paris, and Barcelona. Our products are developed thanks to six autonomous product Teams, each working on a specific business domain. The teams are led by a Product Manager and Engineer manager working with a dedicated small team of developers (from 4 to 8). Purpose of the job

We are seeking a highly skilled and experienced Senior Python Developer to join our growing team. The ideal candidate will have extensive experience in Python development, a deep understanding of clean architecture principles, event-driven architectures, and a strong background in CI/CD practices, particularly using GitHub Actions and ArgoCD. A previous experience with Domain Driven Design is highly valued. You will play a key role in designing, developing, and maintaining our software applications, ensuring they are scalable, maintainable, and robust. Your work will also involve contributing to our event-driven architecture, enabling real-time data processing and seamless integration across our systems. Your main tasks

Design, develop, and maintain high-quality Python applications and services. Design and implement event-driven solutions to support real-time data flows and asynchronous processing. Implement and advocate for clean architecture principles to ensure a scalable, maintainable, and testable codebase. Code Review and Mentorship

Conduct code reviews, provide constructive feedback, and mentor junior developers to uphold best practices and coding standards. Testing

Develop and maintain unit, integration, and end-to-end tests to ensure software quality and reliability. Technical environment

Framework: Django, Celery, FastAPI DB: PostgreSQL, MongoDB, Redis, AWS or GCP Hiring Process

Phone call with Alexandre our HR Interview with one of our Engineering Manager Technical test and restitution with Clément Head of Engineering and members of the tech team. Experience and Skills

4 years as Software developer in Python or other Object oriented programming language Python Leadership Curious / Autonomous / Good analytical skills / Force of proposal / Problem Solver Benefits

Ticket restaurant 8 euros by day Malakoff Humanis Private insurance & Prevoyance Hybrid remote policy Flexible hours Bike mileage allowances or 50% of transportation tickets. Professional events (Devoxx, Meetup, ...) and regular internal events. Seniority level

Mid-Senior level Employment type

Full-time Job function

Technology, Information and Internet

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