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Cafeyn

Senior iOS developer - Freelance

Cafeyn
France · Full-time · Not Applicable

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?

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.

Your missions

  • Develop and maintain features within our SDK
  • Design clean, scalable public APIs with a strong focus on versioning and backward compatibility
  • Write, maintain, and improve unit and integration tests for SDK components
  • Support the iOS app team when reinforcement is needed (feature development, bug fixing, performance improvements)
  • Participate actively in code reviews and team rituals (stand-ups, sprint planning, retrospectives)
  • Work with and progressively improve legacy Objective-C code where necessary

Who are we looking for?

You are at the right place if you have

  • Strong experience with Swift (senior level)
  • Proven experience working on SDKs or reusable libraries (SDK mindset)
  • Solid understanding of iOS architecture patterns, especially MVVM
  • Strong experience with UIKit
  • Ability to quickly ramp up and work autonomously in a fast-paced environment
  • Strong testing discipline (unit, integration, and/or UI testing)
  • Good communication skills and ability to collaborate effectively within a team
  • Strong sense of ownership and accountabilityStrong experience with UIKit
  • Ability to quickly ramp up and work autonomously in a fast-paced environment
  • Strong testing discipline (unit, integration, and/or UI testing)
  • Good communication skills and ability to collaborate effectively within a team
  • Strong sense of ownership and accountability

Nice to Have

  • Experience working on high-scale applications (100K+ users)
  • Familiarity with modular architectures and API design best practices
  • Experience maintaining or migrating legacy Objective-C codebases

Hiring process

  • HR Interview with one of our Talent Acquisition Manager (30’)
  • Hiring manager Interview & technical interview with our Tech Lead iOS

This is a freelance opportunity until end of December 26.

You don’t have to match all the requirements, if you feel this offer could be a great opportunity for you, reach out anyways! We hire based on talent and we promote inclusivity inside Cafeyn and strongly believe that our culture is strongest when it is the most diverse.

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

Key Skills

Ranked by relevance

ios ui c swift manga
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Posted
Apr 10, 2026
Type
Full-time
Level
Not Applicable
Location
Paris
Company
Cafeyn

Industries

Technology Information Internet

Categories

Engineering Information Technology

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