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Bartosz Jurczyk

@bartoszjurczyk

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iOS Developer at Nubisoft GmbH modernizing Swift codebases and delivering authentication for a 2-million-user app.

Poland

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What I'm looking for

I’m seeking an iOS Developer position at Xebia, where I can use my iOS development and modernization skills to support scalable digital products and data-driven solutions.

At Nubisoft GmbH, I co-led the migration of an authentication and session-management layer serving 2 million users, implementing deep-link handling and SDK view handling. I also initiated a legacy codebase migration to Swift 6 and introduced Swift Testing.

At Convista Sp z o.o, I contributed to a health rewards module used by 8 million insured members, including activity tracking, points accrual, and payouts. I led a transition to modular architecture and developed new components exclusively in SwiftUI.

Earlier, at TMND GmbH, I improved accessibility in a .NET tool with keyboard control and voice commands, and designed AI-based accessibility features in Python. I’m seeking an iOS Developer position at Xebia, where I can contribute to scalable digital products and data-driven solutions.

Experience

Work history, roles, and key accomplishments

Current

iOS Developer

Current

Nubisoft GmbH

Oct 2025 - Present (1 year)

Co-led migration to a new SDK for authentication and session management serving 2 million users, and delivered a remodeled login layer on deadline. Initiated migration of a large legacy codebase to Swift 6 and managed transition from CocoaPods to Swift Package Manager.

Swift SwiftUI Swift Package Manager JFrog Artifactory Deep Linking Push Notifications XCFramework React Native Gitlab CI TeamCity Sentry German

iOS Developer

Convista Sp z o.o

May 2024 - Sep 2025 (1 year 4 months)

Contributed end-to-end to a health rewards module used by 8 million insured members, implementing physical-activity tracking and integrating fitness trackers. Led transition to modular architecture, migrated to Swift 6, and improved accessibility to BITV standards.

SwiftUI Swift Swift Testing XCTest SonarQube Jenkins Fastlane Sentry Xcode Instruments Memory Graph Debugger View Hierarchy Coordinator Pattern Modular Architectures Accessibility BITV Agile German Polish

iOS Trainee

Convista Sp z o.o

Jul 2023 - Apr 2024 (9 months)

Hands-on traineeship in Swift and modern iOS frameworks including SwiftUI, UIKit, Auto Layout, Combine, async/await, Core Graphics, Core Image, and AVFoundation, preparing for client-project work.

Swift SwiftUI UIKit Autolayout Combine Async Await Core Graphics Core Image AVFoundation

NET Developer

TMND GmbH

May 2022 - Oct 2023 (1 year 5 months)

Part-time .NET development role focused on accessibility tooling for users with motor disabilities. Increased accessibility by 25% by implementing full keyboard control and voice commands, and designed AI-based accessibility features in Python.

.NET Python Accessibility Key Control Voice Commands AI

Education

Degrees, certifications, and relevant coursework

Opole University of Technology

Bachelor of Engineering, Computer Science

2021 - 2025

Grade: 5/5.0

Activities and societies: Three-time recipient of the Rector's Scholarship; participant in AMPPZ 2023; member of Team Bit algorithmic research group; private math tutor.

Bachelor of Engineering in Computer Science with final grade 5/5.0. Thesis on cross-platform mobile app for SME resource management using Kotlin Multiplatform.