iOS Developer
Summary
iOS developer at Xebia (consulting) building a native app for a large e-commerce marketplace client in Poland. Day to day: designing SwiftUI/UIKit interfaces, implementing secure OAuth/OIDC authentication and integrations with partner web endpoints, and optimizing performance, stability and test quality. Requires 4+ years of commercial Swift/iOS experience.
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.
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Work from the European Union region and a work permit are required.
Nice to have:
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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.
Recruitment Process:
CV review – HR call – Interview – Client Interview – Decision
Skills
As published by greenhouse · 15 questions
Basics
First Name, Last Name, Email, Phone, Resume/CV, Cover Letter
Short answers (8)
- LinkedIn Profile optional
- Website optional
- What is your notice period?
- What is your preferred form of cooperation?
- What are your financial expectations?
- Please specify if the given salary is in net or gross value
- Please specify if the salary expectation are provided hourly or monthly
- Currency of the salary expectations
Pick from a list (7)
- Where did you find this job?
- What country do you currently reside in?
- Do you have documents entitling you to work in the European Union (valid work permits to work in the EU)?
- Do you speak English at a minimum B2 level?
- I declare that I agree to the processing of my Personal Data contained in the content of documents sent in response to the job/cooperation offer, and Personal Data collected during a possible recruitment interview, in order to participate in future recruitment processes conducted by the Administrator, i.e. Xebia sp. z o.o. with its registered office in Wrocław. optional
- I declare that I agree to sending to my e-mail address indicated in the content of recruitment documents, any information about recruitment processes conducted by the Administrator, i.e. Xebia sp. z o.o. with its registered office in Wrocław. optional
- The administrator of Personal Data is Xebia sp. z o.o. with its registered office in Wrocław, ul. Sucha 3, 50-086 Wrocław, KRS: 0000978067, NIP: 8971719181, REGON: 020363023 with a share capital of PLN 37 168 600.00. Your data contained in the CV will be processed only for recruitment purposes. The legal basis for the processing of your personal data is art. 221 cl. 1 of the Labour Code. If you provide separate consent, we will process your personal data also for future recruitment purposes. You have the right to access your personal data, to correct them, to remove them, to restrict their processing, to transfer your data, to submit an objection, to withdraw consent to data processing any time without affecting the lawfulness of processing carried out on the basis of the consent before it was withdrawn. In order to exercise the abovementioned rights, please send an e-mail with your request to: gdpr.pl@xebia.com. If you believe that your data are processed illegally, you can submit a complaint to the supervisory body with its registered office in ul. Stawki 2, Warsaw. We may only disclose your personal data if you provide consent thereto or to authorised bodies, when necessary. optional