Senior iOS App Developer; Onsite Hybrid at NTT DATA, Inc. California

Senior iOS App Developer (Onsite Hybrid) – NTT DATA, Inc. – California

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Senior iOS App Developer (Onsite Hybrid) to join our team in Calgary, Alberta (CA-AB), Canada (CA).

• Architect and build robust, scalable iOS applications using Swift and SwiftUI

• Write clean, testable, maintainable code with a strong emphasis on performance and reliability
• Dive deep into Apple APIs — from Local Authentication to Common Crypto — and use them to solve real-world problems elegantly
• Optimize performance using profiling tools, concurrency strategies, and thoughtful design
• Mentor other developers and help shape the technical culture of our Calgary office
• Use AI tools to accelerate development — not replace it — freeing up time for deeper thinking and more impactful work

• Strong CS fundamentals
  :
  At least 5+ years of understanding memory management, data structures, algorithms, and concurrency — and you know when to apply them
• Deep iOS expertise
  :
  At least 5+ years of building and packing complex apps, and you know the ins and outs of UIKit, SwiftUI, and the broader Apple ecosystem
• Architectural thinking
  :
  At least 5+ years' experience - you can design modular, testable systems and have opinions about MVC, MVVM, and beyond
• Curiosity and craftsmanship
  :
  You care about how things are built, not just what gets built
• Ecosystem fluency
  :
  At least 5+ years' experience with CI/CD, app signing, provisioning, Instruments, and understand the full lifecycle of an iOS app
• Clear communicator
  :
  You can walk through your own code and explain your decisions. You're comfortable saying "I don't know" and having a relaxed, technical conversation
• Collaborative mindset
  :
  At least 5+ years' experience - you're thoughtful, curious, and easy to work with — we try to keep it not so fussy
• AI maturity
  :
  At least 5+ years' experience AI tools to enhance your workflow — not to substitute for foundational knowledge

Bachelors in Computer Science/IT related degree or equivalent work experience

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity.

We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs.

At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use  and  email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form.

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NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment