Build. Collaborate. Impact. We're Hiring an iOS Developer

15 hours ago


Tallinn, Harjumaa, Estonia Onoff Full time €60,000 - €80,000 per year

We're searching for an iOS Developer who cares about more than code — you care about building products that last. If Swift feels like second nature, you appreciate clean architecture, and you 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.

What You'll Be Doing
  • 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.

What You Bring

Swift experience: 1 years for Junior, 3–5 for Mid-level.
Understanding of iOS frameworks and 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.



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