Python Software Engineer

Join Cafeyn: Where Innovation Meets Inspiration

Cafeyn is more than a platform—it is transforming the way people access and experience content. Since 2006, we’ve grown in a fast‑evolving market, adapting to become a leading digital reading service with over 2 million users worldwide. Cafeyn gives readers unlimited, personalized access to thousands of newspapers and magazines, curated to fit their tastes and delivered seamlessly across devices.

Our mission is to empower individuals with access to trusted, high‑quality content that fosters personal growth and discovery. Whether it’s through the comprehensive collection of news and features on Cafeyn, the digital publishing solutions of Milibris, the fun and educative content for children on Kidjo, or the collections for manga lovers by Mangas.io, Cafeyn stands at the forefront of digital content experiences.

Senior Software Engineer (Python)

Build the product‑facing services that power personalized user experiences across Cafeyn. You will develop high‑performance backend systems supporting recommendations, search, content discovery, and dynamic content experiences used by millions of readers. You will work closely with Product Managers, Data Scientists, and Backend Engineers to transform data and algorithms into customer‑facing features.

Responsibilities

Backend Product Development

• Design and develop Python services powering recommendations and search
• Build APIs consumed by Cafeyn products
• Participate in architecture decisions

Real‑Time Systems

• Develop low‑latency services
• Build real‑time data processing applications
• Optimize performance and scalability
• Ensure service reliability under high traffic

Software Engineering Excellence

• Write maintainable and testable code
• Conduct code reviews
• Improve CI/CD pipelines
• Maintain technical documentation

Cross‑Functional Collaboration

• Partner with Product teams to define technical solutions
• Collaborate with Data Scientists to operationalize models
• Work with Infrastructure teams on deployment and scalability

Required Skills

Must Have

• 5+ years in Software Development
• Expert‑level Python
• API development

Nice to Have

• Recommendation systems
• Search engines (Elasticsearch/OpenSearch)
• Machine learning model serving
• Event‑driven architectures
• Distributed systems
• Database management
• Docker and Kubernetes
• CI/CD practices

Success Metrics

• Product feature delivery
• API performance
• System reliability
• Technical quality
• User impact

Hiring Process

• First interview with Talent Acquisition Manager Léa
• Informal meeting with Raphaël, Data Engineering Manager
• Technical assignment to perform live in our Paris office with Raphaël & Thomas, Data engineer
• Culture fit with our data team members
• Last interview with Thomas, CTO & Vincent, Director of Engineering

Perks & Benefits

• Classic package
• Swile card for meal vouchers
• Sidecare health insurance
• Mobility package to reimburse transport subscription
• Sports partnership with Wellpass for fitness classes and wellness activities
• Mental health platform teale for psychologist appointments and health monitoring
• Hybrid policy allowing remote work two days per week
• VIP code for unlimited Cafeyn content access
• Team life: four office meet‑ups per year across international offices

Company Facts

• Founded in 2006
• Co‑workers 120
• Index de l’égalité professionnelle : 93/100