iOS Developer (f/m/d)

ZEAL Network SE

Job Overview

Location

Spain (Madrid)

Job Type

Full-time

Full Job Description

📋 Description

• Develop and deliver high-quality iOS applications for the JuegosONCE app, ensuring functional solutions align with architecture standards, code guidelines, and environment configuration management.
• Own the full product lifecycle including development, testing, deployment, operations, and monitoring in collaboration with your team.
• Collaborate closely with Product Owners and UX Designers to create inspirational, user-centric gaming apps that enhance customer experience.
• Perform code reviews and engage in pair programming to foster knowledge sharing and maintain code quality across the team.
• Write clean, testable, reusable, and readable code following SOLID principles and TDD practices.
• Implement user interfaces using UIKit and Combine frameworks to build responsive and intuitive iOS applications.
• Develop and execute User Interface Tests using XCUITests to ensure reliability and performance of app features.
• Optimize app performance related to caching, security, native components, and third-party SDK integrations.
• Apply deep understanding of iOS UX/UI guidelines and best practices to balance design intent with technical feasibility and development velocity.
• Maintain up-to-date knowledge of mobile development trends, architectures, and emerging technologies in the iOS ecosystem.
• Work within self-organized teams, taking ownership of tasks and demonstrating initiative without micromanagement.
• Communicate effectively across all organizational levels and with external third-party suppliers and partners.
• Ensure all development activities comply with the technical and operational requirements of the JuegosONCE digital platform and associated mobile channels.
• Contribute to continuous improvement of development processes, tooling, and team workflows to enhance efficiency and product quality.

🎯 Requirements

• +4 years’ experience in iOS development (Xcode, Objective-C, Swift, JSON, REST)
• Experience using MVVM and familiarity with other iOS architecture patterns
• Experience writing apps using UIKit and Combine
• Experience with writing User Interface Tests using XCUITests
• Excellent communication skills in English and Spanish
• Solid understanding of the full mobile development and application lifecycle

🏖️ Benefits

• Annual development budget of €1,500 for professional growth
• Unlimited vacation days in addition to 25-day yearly allowance, plus days off on birthday and 24th/31st December
• Remote work monthly allowance of €47.20
• Gym benefit with company contribution of up to €40 per month
• Opportunity for workations abroad using the WorkFlex tool
• Quarterly company events and regular team activities

Skills & Technologies

Swift

REST

iOS

Mobile

Remote

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ZEAL Network SE

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About ZEAL Network SE

ZEAL Network SE is a German publicly-listed lottery brokerage and gaming services company founded in 1999. It operates web and mobile platforms that allow customers to place bets on state-licensed lotteries such as Lotto 6aus49, Eurojackpot and Keno, and provides related data, marketing and technology services to lottery operators. With headquarters in Hamburg and a workforce of about 200, the company is licensed and regulated in Germany and focuses on expanding secure, responsible online lottery participation across Europe.

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