iOS Engineer

EPAM Systems, Inc.; Kraków; On-site; PLN 120,000 - 180,000; Full time

Job summary

EPAM Systems, Inc. is seeking a Mid-level iOS Engineer to build and enhance mobile search features for a major travel platform.

You will develop modular iOS components using Swift and SwiftUI, focusing on performance, accessibility, and multi-brand support. Collaboration with backend, product, and design teams will shape data structures and UI behavior, while leveraging AI-assisted tools to improve efficiency and code quality.

Qualifications

• Proven experience developing iOS apps with Swift and SwiftUI.
• Experience with modular architectures and scalable client-side design.
• Experience integrating REST/GraphQL APIs into iOS apps.

Responsibilities

• Develop and maintain iOS features using Swift/SwiftUI in a modular architecture.
• Integrate data from REST and GraphQL APIs for dynamic solutions.
• Apply AI-assisted development tools to accelerate workflows and prototyping.
• Collaborate with product owners, designers, and backend engineers to align client-side architecture with requirements.
• Debug and optimize networking, persistence, concurrency, and UI rendering for performance.
• Implement reusable mobile components supporting multi-brand applications.
• Participate in code reviews and design discussions to maintain quality.

Skills

Swift

SwiftUI

Modular architecture

API integration

Debugging

Tools

REST API

GraphQL

Copilot

Job description

We're looking for a Mid-level iOS Engineer to join our team. In this role, you will build and enhance mobile search features for a major travel platform, improving user experience across multiple brands. Your focus will be on creating modular, scalable iOS components using Swift and SwiftUI, while ensuring performance, reliability, and accessibility. You will integrate REST and GraphQL APIs, collaborate with backend and product teams to design data structures, and leverage AI-assisted development tools (e.g., Copilot, code generation) to improve efficiency and code quality. The role requires strong problem-solving skills for debugging and optimizing networking, persistence, and UI performance in multi-brand app environments.

Responsibilities

• Develop and maintain iOS features using Swift and SwiftUI within a modular architecture
• Integrate data from REST and GraphQL APIs for dynamic, scalable solutions
• Apply AI-assisted development tools to accelerate workflows, including debugging, boilerplate generation, and feature prototyping
• Collaborate with product owners, designers, and backend engineers to align client-side architecture with business and technical requirements
• Debug and optimize key areas like networking, persistence layers, concurrency, and UI rendering to maintain app speed and stability
• Implement reusable mobile components that support multi-brand applications
• Participate actively in code reviews and design discussions, maintaining best practices and quality standards
• Ensure solutions meet accessibility, performance, and reliability requirements

Requirements

• Proven experience as an iOS Engineer building applications with Swift and SwiftUI
• Practical understanding of modular architectures and scalable client-side design
• Experience integrating REST and/or GraphQL APIs into iOS applications
• Familiarity with debugging techniques and performance optimization across UI and data flow
• Strong collaboration skills for working in cross-functional Agile teams
• Fluent English communication (written and verbal) for stakeholder interaction
• Openness to using AI-assisted tools to enhance development efficiency and innovation