Senior Software Engineer (iOS)

Kingfisher plc; Kraków; On-site; PLN 223,200 - 312,480; Full time

Benefits offered by this job

Private healthcare

Life insurance financed by employer

Wellbeing programme

Job summary

Kingfisher plc in Kraków is seeking a Senior Software Engineer (iOS) to lead the design and delivery of high-performance iOS applications. The role offers a hybrid working model, allowing flexibility between home and the office.

Join a team that values innovation and collaboration in creating exceptional user experiences while utilizing modern technologies. You will mentor others and ensure best practices in mobile architecture and performance optimization.

Qualifications

• Extensive professional experience developing production-grade iOS applications.
• Expert knowledge of Swift, SwiftUI, UIKit, and the Xcode ecosystem.
• Strong understanding of scalable mobile architectures.

Responsibilities

• Lead design and development of high-performance iOS applications.
• Drive engineering best practices and maintainable code.
• Collaborate with cross-functional teams for technical solutions.

Skills

Swift

SwiftUI

UIKit

RESTful APIs

GraphQL

Mobile security

Tools

Xcode

Job description

Senior Software Engineer (iOS)

(Hybrid/Kraków – 1 day per week in the office)

We’re Kingfisher, a team made up of over 74,000 passionate people who bring our brands – Castorama, B&Q, Screwfix, BricoDépôt, and Koçtaş – to life. 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.

We provide an inclusive environment where everyone is treated equally, regardless of age, gender, marital status, ethnicity, religion, disability, sexual orientation or any other protected characteristic.

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

Benefits

• Salary: 20,000 - 28,000 PLN gross per month (employment contract)
• Private medical healthcare at LUXMED, including dental care, for you and your family
• Medicoversports 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 public transport in Kraków
• Comfortable working environment in the office and the possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning and co‑financing of studies and certifications
• Employee referral programme

About the Role

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 design, develop, and maintain 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.

Qualifications

• Extensive professional experience developing and delivering production‑grade iOS applications.
• Expert knowledge of Swift, SwiftUI, UIKit, and the 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.