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EU remote

Senior iOS Engineer - Fintech Platform (m/f/n)

plPosted 22 Oct 2026

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About this role

We are looking for an experienced iOS Engineer to join our FinTech Platform team. You will take end-to-end ownership of the native iOS platform, including architecture, quality, performance, and the delivery of consumer and merchant-facing solutions. You will help maintain a zero-regression production environment and contribute to both the technical health of the platform and the business outcomes of the products you build What you will do Own the architecture of a production FinTech iOS application, including layered architectural patterns, module boundaries, and dependency structure.

Develop and maintain native iOS solutions using Swift, SwiftUI, and UIKit. Implement concurrency and reactive application flows using async/await, Actors, and Combine. Work with local persistence and security solutions such as Core Data, SwiftData, and Keychain Services. Contribute throughout the full development lifecycle, including PRD authorship, specification writing, testing, feature-flagged releases, and structured event emission.

Build and maintain automated tests using XCTest and XCUITest. Profile and improve application performance using Instruments, including Time Profiler, Allocations, Leaks, and Core Animation. Maintain a zero-regression approach through production crash monitoring with tools such as Crashlytics. Develop and maintain CI/CD automation using Fastlane, Xcode Cloud, or equivalent solutions. Own integrations between native and web-based experiences, including WKWebView, universal links, deep linking, and handoff.

Co-own the team backlog with Engineering and Product Managers, bringing iOS constraints and native solution proposals into requirement shaping. Collaborate with backend engineers on API contracts, authentication flows, and event schemas. Participate in production incident support and post-mortem activities when required. At least 5 years of experience in native iOS engineering, including production applications published through the App Store.

At least 4 years of experience working with Swift and SwiftUI and/or UIKit. At least 3 years of experience with iOS testing using XCTest and XCUITest. Strong knowledge of Swift 5.x, including Swift Concurrency, async/await, Actors, and Combine. Production-level experience with SwiftUI and UIKit, including an understanding of their rendering lifecycles. Knowledge of Clean Architecture, MVVM, and/or MVI, with a strong understanding of module and layer boundaries.

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Experience with Swift Package Manager and/or CocoaPods. Understanding of dependency inversion and designing code for testability. Experience with Core Data, SwiftData, and Keychain Services. Knowledge of URLSession, certificate pinning, and structured error handling. Experience profiling iOS applications with Instruments. Experience with Fastlane, Xcode Cloud, or equivalent CI/CD solutions, including automated signing.

Ability to read and work with Objective-C in legacy systems and third-party SDK integrations. Experience integrating feature flags and structured events at the mobile layer. English at a minimum B2 level . A university degree in Information Technology, Computer Science, or a related field. Nice to have At least 2 years of experience in FinTech or regulated mobile application development. Experience integrating Apple Pay or PassKit.

Experience with modular iOS architecture at a multi-framework or monorepo scale. Knowledge of App Clips. Experience implementing WCAG or Apple accessibility standards in production applications. Familiarity with Swift macros and SwiftUI preview tooling at scale. Opportunity to work in a diverse , international , and cross-functional environment, along with leading experts . You work and learn from a senior leader and their leadership team, expanding your experience and exposure in the e-commerce and logistics industries.

InPost is a growing company that offers its people an increasing number of opportunities in several locations in Europe. Fulfilling careers with a range of benefits for people and investing in providing training opportunities for their development. You will feel a part of the InPost community that makes an impact on sustainability, convenient deliveries, and the circular economy every day. Excellent working environment and flexible hours We offer B2B type of contract InPost Pay is building its own fintech platform from the ground up.

It’s a large-scale, international initiative where engineers will have the opportunity to shape the architecture, build core fintech components, and create solutions designed to operate at InPost’s scale. We’re building a lean, highly effective engineering organization in Poland, with AI-native engineering at its core . We’re looking for strong engineers who are comfortable with agentic engineering, from experienced professionals building complex systems and engineering tooling to a new generation of engineers who have embraced AI-driven development from the start of their careers.

→ Hybrid working model: preferably 1 day per week in the Warsaw or Cracow office .

Source listing: smartrecruiters_inpost

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