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Technology Lead IOS/Mobile

  • Job
    Senior Level
  • Software Engineering
  • London

AI generated summary

  • You must have 5-8 years of app development experience, exceptional Swift skills, knowledge of UIKit/SwiftUI, dedication to high-quality code, creative problem-solving abilities, Agile experience, and a passion for innovation and user experience.
  • You will lead IOS/Mobile development, manage core client apps, work on R&D projects, collaborate with CX designers, optimize code, and contribute to tech discussions.


  • 5-8 years experience developing apps.
  • Exceptional Swift skills and genuine passion for iOS development.
  • In-depth understanding of UIKit or SwiftUI, or both!
  • A dedicated follower of modern Apple frameworks and the evolution of Swift.
  • Experience in writing high quality, maintainable, testable code.
  • Enthusiasm for exploring creative solutions to uncommon problems.
  • Meticulous attention-to-detail and commitment to building first-class user experiences.
  • Familiar with current development team tools and process: Agile methodologies, version control, continuous integration.
  • Overflowing with ideas and always willing to speak up on ways to improve our products, tooling and culture.
  • You May Have:
  • Familiarity with one or more of the following Apple frameworks: ARKit, RealityKit, SceneKit, CoreLocation.
  • Experience working with 3D geometry.
  • Comfortable developing algorithms and working with complex data structures.
  • Experience working with Combine, RXSwift or similar reactive framework.
  • Ability to move fast when required, develop rapid prototypes and react quickly to changes.


  • Mange the development of our core client apps, and related products.
  • Be experienced with Restful services.
  • Contribute to R&D projects with the aim of keeping our technology and infrastructure ahead of the competition.
  • Work closely and collaborate with CX designers and stakeholders to develop rich and compelling new features.
  • Carry out debugging, profiling and refactoring to improve and optimize existing code.
  • Contribute to wider discussions on tech values, business goals and company culture.


What are the key responsibilities of a Technology Lead IOS/Mobile?

The key responsibilities include leading IOS/AR development teams, ensuring on-time delivery and quality of application code, implementing processes and mobile standards, providing mentorship and leadership to team members, and overseeing multiple project teams.

What skills are required for this role?

The required skills for this role include iOS development expertise, leadership capabilities, project management skills, excellent communication and organizational abilities, and knowledge of mobile development best practices.

What is expected of a Technology Lead IOS/Mobile on a day-to-day basis?

On a day-to-day basis, the Technology Lead IOS/Mobile is expected to lead by example, provide mentorship and guidance to team members, ensure the implementation of processes and mobile standards, communicate effectively with project teams and stakeholders, and ensure the timely delivery of high-quality application code.

How does a Technology Lead IOS/Mobile inspire the best work from team members?

A Technology Lead IOS/Mobile inspires the best work from team members by providing mentorship, setting a positive example, communicating effectively, fostering a collaborative and supportive work environment, and recognizing and rewarding team members for their contributions.

We design experiences for brands we love. Anywhere we go, digital is our home. Canada + The World, Since ’96.

Marketing & Advertising
Founded Year

Mission & Purpose

Critical Mass is a team of 1,500 inspired folks based in 12 offices around the world, providing full-service digital capabilities for the greatest brands on Earth. Our secret sauce is our uncompromising design standards, our relentless focus on customers, and an ability to put powerful new technologies to work for our clients. We work with the best—Apple, Nike, Diageo, Airbnb, BMW, BNY Mellon, Johnson & Johnson, and many more—brands who strive for connected digital ecosystems and unparalleled experiences. We help them get there by gaining deep insight into their consumers and orchestrating data, AI, design, media, and tech stacks around human stories. We’re a global agency founded in Canada, but digital is our home. If you know us, then you know we’re a special, quirky place that attracts big talent and tiny egos. (We actually give out a “so f-n nice” award—lots of them). But just because we’re friendly doesn’t mean we’re not a force to be reckoned with. We’re driven. Relentless. And we live our values. We’re Critical Mass, but our friends call us CM. Please call us CM!