iOS Developer

xebiacee; Poland; On-site; PLN 140,000 - 220,000; Full time

Job summary

Xebia is seeking an experienced iOS developer in Poland to design and build native iOS interfaces using SwiftUI and UIKit. You will manage secure integrations, token exchanges, and authentication flows with external services, while optimizing performance and memory usage to meet strict benchmarks.

The ideal candidate has 4+ years of commercial iOS development, deep knowledge of Swift and iOS SDK, and experience with MVVM / Clean Architecture, TDD, and publishing apps to the App Store.

Qualifications

• 4+ years of commercial iOS development experience.

Responsibilities

• Designing and building highly responsive native iOS interfaces using SwiftUI and UIKit.
• Managing secure integrations and token exchange (OAuth/OIDC) between the app and external endpoints.
• Implementing secure authentication and integration flows between the app container and external services.
• Optimizing application performance, stability and memory efficiency.
• Ensuring newly developed components meet performance, stability and quality benchmarks.

Skills

Swift

SwiftUI

UIKit

iOS SDK

Security

Networking

Testing

TDD

Xcode

SwiftPM

CocoaPods

App Store

AI tooling

Tools

Swift Package Manager

CocoaPods

Xcode

Job description

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions.

We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

In the CEE region, we're a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as McLaren, Aviva, Deloitte, Spotify, Disney, ING, UPS, Tesco, Truecaller, AllSaints, Volotea, Schmitz Cargobull, Allegro, InPost, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.

The client is a leading e-commerce platform connecting millions of buyers and sellers through a large-scale online marketplace. It enables transactions across diverse product categories, offering secure payments, logistics support, and user-friendly shopping experiences. The platform focuses on innovation, scalability, and enhancing customer engagement in a highly competitive digital commerce environment.

You will be:

• designing and building highly responsive native iOS interfaces using SwiftUI and UIKit,
• managing secure integrations, data handovers and token exchange processes (OAuth/OIDC) between the native application and external partner web endpoints,
• implementing secure authentication and integration flows between the native application container and external services,
• optimizing application performance, stability and memory efficiency,
• ensuring that newly developed components meet the required performance, stability and quality benchmarks,

Your profile:

• advanced knowledge of the Swift programming language and Apple's iOS SDK,
• strong experience building interfaces using modern frameworks like SwiftUI (and older structures like UIKit),
• strong comprehension of mobile security, networking (REST, JSON), and bridging sessions safely between native views and third-party web portals,
• a track record of shipping and maintaining performance-optimized native applications,
• 4+ years of commercial experience in iOS development,
• good understanding of the iOS SDK and iOS application architecture (MVVM / Clean Architecture),
• experience writing unit tests and E2E/UI tests,
• commitment to code quality through code review and TDD,
• experience with Xcode, Swift Package Manager / CocoaPods, and modern iOS development tools,
• experience publishing apps to the App Store,
• practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.

Nice to have:

• Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
• Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

Work from the European Union region and a work permit are required.

Recruitment Process:

• CV review
• HR call
• Interview
• Client Interview
• Decision