We’re searching for iOS Developers who care about more than code — you care about building products that last. If Swift feels like second nature, you appreciate clean architecture, and enjoy shaping apps used by real people every day, this might be the role for you.
🚀 Why Onoff?At Onoff, we’re making telecom smarter and simpler. We’re a profitable SaaS company with big ambitions, and mobile development is at the core of everything we do. Joining us means contributing to a product with global reach, while working in a team that values collaboration, balance and real impact.
💡 Make an Impact – Your code supports communication for people worldwide.
📈 Room to Grow – Learn, improve and take on more responsibility over time.
🌍 Flexibility – A balanced hybrid setup, combining office collaboration with remote work opportunities.
💰 Fair Compensation – We reward skills and dedication.
🏖 Extra Time Off – Because good work requires rest.
🩺 Private Health Plan – We’ve got you covered.
✈️ Travel Budget – Recharge and return with new energy.
📚 Keep Learning – We encourage curiosity with courses and conferences.
🎉 Great Culture – Flat hierarchy, open communication, and a friendly, supportive team.
Developing and maintaining features in the Onoff iOS app.
Debugging and resolving issues raised by QA or users.
Collaborating with backend, product, and design teams to deliver features end-to-end.
Participating in code reviews and knowledge-sharing with the team.
Contributing to a large-scale product where long-term stability matters.
✨ Swift experience and an understanding of iOS frameworks & app architecture.
✨ Pragmatic approach: focus on workable solutions, avoiding overcomplicating.
✨ Patience and collaboration: committed to long-term projects and comfortable with routine tasks.
✨ Proactive problem-solving, taking ownership and communicating clearly.
✨ A natural team player mentality, thriving in cross-functional collaboration.
Bonus points for:
⭐ SwiftUI, UIKit
⭐ Experience in telecom, SaaS or large-scale apps.
👉 Ready to help shape the future of mobile communication?
Send us your CV 📩 and let’s build something meaningful together.
Skills Required
- Experience with Swift
- Understanding of iOS frameworks and app architecture
- Pragmatic problem-solving and focus on workable solutions
- Ability to collaborate, communicate clearly, and work on long-term projects
- Proactive ownership of problems and clear communication
- Experience with SwiftUI
- Experience with UIKit
- Experience in telecom, SaaS, or large-scale apps
What We Do
Onoff is a French telecommunications company that provides cloud-based mobile telephony through smartphone and web applications. Its services let individuals and businesses use multiple mobile numbers without additional SIM cards or phones, while Onoff Business enables employers to assign and manage numbers, calls, SMS, contacts, voicemail, reporting, and integrations for teams. The company combines mobile-app and cloud technologies to make communications more flexible, economical, and environmentally friendly.
