Senior Software Engineer (iOS)

Kingfisher plc; Kraków; Hybrid; PLN 223,000 - 312,000; Full time

Benefits offered by this job

Private medical care

Sport card

Life insurance

Flexible work options

Home office

LinkedIn Learning access

Language courses

Referral program

Job summary

Kingfisher plc is seeking a Senior Software Engineer (iOS) to design, develop, and maintain high-quality iOS applications. You will work closely with product managers, designers, and backend engineers to deliver exceptional user experiences.

You will leverage Swift, SwiftUI, and modern architectures while upholding security, performance, and accessibility best practices, with hybrid work from Kraków office and remote options.

Qualifications

• Extensive production iOS experience with Swift and modern frameworks.
• Strong knowledge of SwiftUI, UIKit, and Xcode ecosystem.
• Experience with scalable mobile architectures (TCA, Redux-style, MVI).
• Proven ability to integrate RESTful APIs, GraphQL, and third-party SDKs.
• Focus on security, performance, accessibility, and testable code.

Responsibilities

• Lead design, development, and delivery of scalable iOS apps using Swift, SwiftUI, and Xcode.
• Promote clean architecture, maintainable code, and robust testing strategies.
• Collaborate with backend, product and design to shape solutions.
• Architect and oversee integrations with REST, GraphQL, SDKs, and platforms.
• Champion security, accessibility, performance, and app quality.
• Lead code reviews, mentoring, refactoring, and troubleshooting.
• Support CI/CD pipelines, release management, and workflows.
• Stay updated on iOS innovations and share knowledge with the team.
• Mentor junior/mid developers and guide their growth.
• Contribute to architectural planning and long-term mobile strategy.

Skills

Leadership / mentoring

Problem solving

English communication

Tools

Swift

SwiftUI

UIKit

Xcode

The Composable Architecture

Redux/MVI patterns

REST APIs

GraphQL

SDK integrations

Job description

Senior Software Engineer ( iOS )

We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in.

At Kingfisher, our customers come from all walks of life , and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.

We are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you!

• 20,000 - 28,000 PLN gross per month on an employment contract
• Private medical healthcare at LUXMED (including dentalcare) for you and your family
• Medicover sports card ( Fit&More package)
• Life insurance financed by the employer
• 30-minute lunch break included in the 8-hour working day
• Work in a highly professional and stimulating atmosphere
• Training & Buddy programme that will allow you to quickly adapt to your new role
• Wellbeing programme for employees
• Co-financing of monthly tickets for the public transport in Krakow
• Comfortable working environment in the office and the possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification
• Employee referral programme

What's the job?

We are going through an exciting period of change and are looking for a motivated Senior iOS Engineer to join our Engineering team. In this role, you will be responsible for designing, developing, and maintaining high-quality iOS applications, working closely with other engineers, product managers, and designers to deliver exceptional user experiences.

You will work with modern technologies, while following best practices in mobile architecture, performance, and security.

If you're looking for an exciting opportunity to step out of your comfort zone and make a real impact building better software, this is the job for you!

Responsibilities

• Lead the design, development, and delivery of scalable, high-performance iOS applications using Swift, SwiftUI, and Xcode.
• Drive engineering best practices by promoting clean architecture, maintainable code, and robust testing strategies (e.g. TCA, modularisation, unit/UI testing).
• Collaborate cross-functionally with backend engineers, product managers, designers, and stakeholders to shape technical solutions and influence product direction.
• Architect and oversee integrations with shared Kotlin Multiplatform business logic, RESTful APIs, GraphQL services, SDKs, and third-party platforms, ensuring reliability and scalability.
• Champion mobile application security, accessibility compliance, performance optimisation, and overall app quality across the development lifecycle.
• Lead code reviews, mentoring, refactoring initiatives, and complex troubleshooting efforts to maintain a high-quality and sustainable codebase.
• Support and improve CI/CD pipelines, release management, and engineering workflows to increase delivery efficiency and product stability.
• Stay current with emerging iOS technologies, frameworks, and industry trends, proactively introducing improvements and sharing knowledge within the team.
• Mentor junior and mid-level developers, providing technical guidance, feedback, and support in their professional growth.
• Contribute to technical decision-making, architectural planning, and long-term mobile strategy within the engineering organisation.

What You'll Bring

• Extensive professional experience developing and delivering production-grade iOS applications.
• Expert knowledge of Swift, SwiftUI, UIKit, and Xcode ecosystem.
• Strong understanding of scalable mobile architectures such as The Composable Architecture (TCA), Redux-style patterns, or MVI.
• Proven experience integrating RESTful APIs, GraphQL services, SDKs, and third-party platforms.
• Strong knowledge of mobile security, performance optimisation, and accessibility best practices.
• Ability to lead technical discussions, mentor developers, and drive engineering best practices.
• Excellent problem-solving skills, attention to detail, and strong collaboration in cross-functional teams.
• Excellent command of English (written and spoken).

Nice to have

• Experience with Kotlin Multiplatform or similar approaches to sharing business logic across mobile platforms.

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Kingfisher plc