Senior iOS App Developer (Onsite Hybrid)

NTT DATA; Calgary; Hybrid; CAD 90,000 - 120,000; Full time

Job summary

A global technology services firm is looking for a Senior iOS App Developer to work onsite in Calgary, Alberta. The role involves architecting scalable iOS applications, mentoring developers, and leveraging AI tools in development. Candidates should have 5+ years of deep iOS expertise and strong CS fundamentals. The company offers a hybrid work model and values innovation and inclusivity.

Qualifications

• Strong CS fundamentals with at least 5+ years of experience.
• Deep iOS expertise with complex app development.
• Ability to architect modular, testable systems.
• Experience with CI/CD, app lifecycle management.
• Clear communication skills to explain technical decisions.

Responsibilities

• Architect and build robust, scalable iOS applications.
• Write clean, maintainable code focusing on performance.
• Mentor other developers to shape technical culture.
• Optimize app performance using profiling tools.

Skills

Swift

SwiftUI

UIKit

CI/CD

Apple APIs

Performance optimization

Collaboration

Education

Bachelors in Computer Science/IT related degree

Tools

Xcode

Instruments

Job description

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).

Job Responsibilities:

• 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 LocalAuthentication to CommonCrypto — 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

Basic Qualifications:

• 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 abouthowthings are built, not justwhatgets built
• Ecosystem fluency: At least 5+ years’ experienced 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

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

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About NTT DATA

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 atus.nttdata.com

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 @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

NTT DATA endeavors to make https://us.nttdata.comaccessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.