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Rakuten Viber

iOS Team Lead

Rakuten Viber
Poland · Full-time · Mid-Senior

Rakuten Viber is one of the most popular and downloaded apps in the world. Working with us provides a unique opportunity to influence hundreds of millions of our users and to be part of the journey that makes us a super-app. Our mission is to make people’s lives easier by enabling meaningful connections, from precious moments with family and friends, through managing business relationships to pursuing their passions.

We’re looking for an experienced, highly motivated iOS Team Lead to join our team and lead a group of skilled iOS developers responsible for developing our Fintech offering – Viber Pay.


Full time job. We’re working in hybrid mode, from home and the office.


Responsibilities

  • Lead, mentor, and manage an agile team of ~8 senior iOS engineers, including hiring, training, and mentoring.
  • Conduct code reviews, provide feedback, and maintain high-quality code standards.
  • Oversee the development lifecycle of the iOS features from concept to release.
  • Ensure best practices, coding standards, and performance optimization techniques are followed
  • Ensure compliance with fintech industry regulations and security standards.
  • Actively participate in the design, development, and maintenance of Viber’s mobile application while analyzing business requirements to create scalable, high-performing, and testable solutions
  • Collaborate closely with product managers, UX/ UI designers, scrum masters, and other stakeholders to deliver high-quality solutions.


Requirements

  • 3+ years of experience as a team leader
  • More than 5 years of hands-on experience in production mobile software development
  • Proficiency in Swift and Objective-C
  • Familiarity with core banking and security best practices in fintech applications, including data encryption and authentication
  • Expert in Protocol Oriented programming, Functional programming, multi-threading
  • Strong understanding of MVVM/MVC architecture and design patterns
  • Experience with Agile methodology
  • Strong problem-solving skills and ability to work in a fast-paced environment
  • Fluent in written and spoken English
  • Excellent communication, leadership, and team collaboration skills.
  • Experience leveraging AI tools to enhance productivity or decision-making is a strong advantage.


Advantages

  • Experience working with remote teams
  • Experience in fintech, core banking, or payment apps.
  • B.Sc. in Computer Science or equivalent
  • Experience with CI/CD.

Key Skills

Ranked by relevance

ios functional programming ai tools scrum ai ui ux
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Posted
Jul 16, 2025
Type
Full-time
Level
Mid-Senior
Location
Warsaw

Industries

Software Development

Categories

Engineering Information Technology

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