Senior iOS Engineer

ARQ; Kraków; On-site; PLN 210,000 - 320,000; Full time

Benefits offered by this job

Competitive salary and benefits

Stock options

Discretionary performance bonus

The latest tools and technology

A world-class team that will challenge

The opportunity to help build the best

Job summary

ARQ, a Kraków-based fintech company, seeks a Senior iOS Engineer who will be a hands-on contributor to high-quality code and architectural improvements. You will join the Core Product Team to build and scale the ARQ experience from our flagship iOS app to new product lines on the roadmap.

You will own features from concept to launch, write Swift with UIKit/SwiftUI/Combine, and collaborate with Product, Design, and Backend teams to deliver end-to-end solutions while helping scale the app across

Qualifications

• 5+ years of professional experience in iOS development.
• Strong proficiency in Swift and the iOS ecosystem (UIKit, SwiftUI, Combine).
• Solid understanding of architecture patterns (MVVM, Clean Architecture) and testing practices.
• Strong ownership mindset and attention to detail.
• Passion for crafting high-quality UI/UX and polished user experiences.
• Experience working in fast-paced environments, ideally fintech or consumer tech startups.

Responsibilities

• Build and ship exceptional iOS experiences that are fast, intuitive, and delightful to use.
• Write clean, maintainable, and performant Swift code using modern iOS frameworks.
• Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end.
• Contribute to the architecture and evolution of the iOS app as it scales.
• Own features from concept to launch, ensuring quality, polish, and reliability.
• Participate in code reviews and help improve engineering standards and best practices.
• Continuously improve app performance, stability, and user experience.

Skills

iOS development

Swift

SwiftUI

UIKit

Combine

MVVM

Clean Architecture

Ownership mindset

Tools

Xcode

Job description

What Were Looking For

Were looking for a Senior iOS Engineer whos passionate about building elegant, reliable, and high-performance products that users love. Youll be a hands-on engineer, contributing high-quality code and helping raise the bar for engineering standards across the team. Youll join our Core Product Team, helping to build and scale the ARQ experience from our flagship iOS app to new product lines like Premium, Credit, and other financial products on the roadmap.

What Youll Be Doing

• Build and ship exceptional iOS experiences that are fast, intuitive, and delightful to use.


• Write clean, maintainable, and performant Swift code using modern iOS frameworks.


• Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end.


• Contribute to the architecture and evolution of the iOS app as it scales.


• Own features from concept to launch, ensuring quality, polish, and reliability.


• Participate in code reviews and help improve engineering standards and best practices.


• Continuously improve app performance, stability, and user experience.

What Youll Need

• 5+ years of professional experience in iOS development, building apps used by thousands or millions of users.


• Strong proficiency in Swift and the iOS ecosystem (UIKit, SwiftUI, Combine, etc.).


• Solid understanding of architecture patterns (MVVM, Clean Architecture) and testing practices.


• Strong ownership mindset and attention to detail when building user-facing products.


• Passion for crafting high-quality UI/UX and polished user experiences.


• Experience working in fast-paced environments, ideally in fintech or consumer tech startups.

Benefits

• Competitive salary and benefits


• Stock options, so you own part of what you build


• Discretionary performance bonus


• The latest tools and technology


• A world-class team that will challenge and grow your skills


• The opportunity to help build the best fintech app in Latin America


• Office Policy: 3-4 days a week in-office