Senior macOS Developer (Objective-C) - Tieto Tech Consulting (m/f/d)

Experience level: mid senior level.

Do you have a strong macOS Developer (Objective-C) background, passion for problem-solving, and want to join one of the largest tech companies in the Nordics? Then this is the role for you!

We are looking for talented professionals to join our team as a  Senior macOS Developer (Objective-C) .

Our customer is a leading photo processing software publisher aimed at bringing new life to image processing. You will be a part of an international team developing a cross-platform solution. Project timeline: till June 2027, with a potential extension.

Qualifications

• 5+ years of production Objective-C experience on AppKit/Cocoa, with a proven track record

• Strong proficiency in Objective-C

• Solid modern C++ (C++17 or later) experience

• Experience working with large, long-lived codebases, including multi-framework Xcode workspaces, Core Data, GCD/concurrency, memory management, debugging and profiling

• Ability to independently investigate issues, propose and implement solutions, and deliver tested code through a code review process

• Full working proficiency in English

• Hands-on experience with AI coding agents, preferably Claude Code, for daily development tasks, including code investigation, testing, refactoring, and critical evaluation of AI-generated results

Will be an advantage

• Swift knowledge

• Experience developing desktop image-processing or photo-editing applications, or other performance-sensitive desktop software

• Experience with unit and acceptance testing frameworks, such as XCTest, OCMock, or GoogleTest, and familiarity with continuous integration (CI) workflows.

• Experience shipping Mac App with notarized direct distribution

We offer

We offer you professional growth, meaningful projects, open culture, and an outstanding work-life balance! We offer you an opportunity to create the future of a growing, fast-developing, and important sector. We believe that our organizational culture is an important part of enabling you to be successful. We provide a flexible hybrid work model as part of our culture and way of working. Finally, we also believe in curiosity and learning as a lifestyle where you need to unlearn and relearn every day as new possibilities emerge.

Did we get you inspired?

We look forward to your application!

Please attach your CV or LinkedIn-profile and we will reach out to you. Interviews will be held on a continuous basis, so we encourage you to apply today.

Hope to hear from you soon!

We perform background checks on all final candidates.

Tieto declines calls from recruitment companies.

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion | Sustainability | Tieto

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