Senior iOS Developer

Salary: 1000 - 1200 PLN/day on B2B

Work model: hybrid from Warsaw / Gdańsk / Łódź (2/3 days per week from the office)

 

Why choose this offer?

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• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

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Responsibilities you'll have

• Development and maintenance of iOS applications using Swift and Objective-C

• Designing and implementing application architecture (MVVM / VIPER)

• Building UI using UIKit (programmatic UI, Auto Layout) and developing components in SwiftUI

• Integrating applications with backend systems via REST APIs

• Managing asynchronous operations and optimizing application performance

• Creating and maintaining unit and automated tests (XCTest, mocking)

• Designing modular application structure and managing dependencies

• Actively participating in application testing to improve delivery flow and eliminate QA bottlenecks

• Collaborating with backend and cross-platform teams (Android, Web)

• Participating in code reviews and ensuring high code quality

• Contributing to architectural and technical decision-making

Expected competences and knowledge

• Several years (5+) of experience in iOS application development
• Unit Testing & Mocking - XCTest for unit and TestAutomation and Swift Testing framework,
• Architectural Patterns (VIPER/MVVM)
• Advanced Swift & Objective-C knowledge and expertise, as well the Swift - Objective-C Interoperability
• Programmatic UI & Auto Layout (with emphasis on UIKit), SwiftUI would be a nice addon, but not required as of today (from the perspective of our codebase, however we would expect that the candidate knows SwiftUI)
• Experience with modular design and dependency management
• Networking & Concurrency: The candidate should have a solid understanding of consuming REST APIs, handling asynchronous operations, queues and asynchronous code
• Have excellent communication skills
• Payment domain knowledge is a plus
• Backend development experience (Java) is a plus
• Are an engineer by heart
• Actively participate in application testing to prevent QA bottlenecks during high delivery periods. By contributing to testing, you help maintain flow, reduce delays, and improve overall team efficiency.

Nice to have

• Able to understand android and web frontend (Angular, TypeScript, JavaScript), because it helps you to get our platforms aligned

 

Technologies you'll work with

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• iOS
• Swift
• REST API
• Java (Nice to have)

 

Client – why choose this particular client from the Jit portfolio?

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Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language. 

 

About Jit Team

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The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

 

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.