Senior iOS Developer

Madello; Brussel Hoofdstad; On-site; USD 100,000 - 130,000; Full time

Job summary

A leading tech firm in the United States is looking for a Senior iOS Developer to join their Mobile App Team. This role focuses heavily on native iOS development in a dynamic Agile environment, aimed at enhancing a large-scale mobile banking platform. The ideal candidate will have at least 8 years of experience and proficiency in SwiftUI, UIKit, and various mobile design patterns. Skills in Git and compliance with security best practices are essential for success in this position.

Qualifications

• 8+ years of iOS development experience.
• Experience with SwiftUI and UIKit.
• Strong understanding of MVVM and related mobile design patterns.
• Proficient in Git.

Responsibilities

• Develop and maintain enterprise-scale iOS mobile applications.
• Integrate mobile solutions with backend systems.
• Participate in code reviews and pull request validation.
• Contribute to continuous improvement within Agile delivery.

Skills

iOS Development

SwiftUI

UIKit

Git

Mobile Security Best Practices

Fluent English

Fluent Dutch

Job description

Bruxelles, Belgium | Posted on 02/23/2026

We are looking for a Senior iOS Developer to join a high-performing Mobile App Team responsible for delivering secure, stable and high-quality mobile applications.

The role focuses on native iOS development within a mature Agile and SAFe environment, supporting continuous evolution of a large-scale mobile banking platform.

Requirements

• Develop and maintain enterprise-scale iOS mobile applications
• Integrate mobile solutions with backend systems
• Implement user interactions and application architecture
• Ensure performance, security and accessibility compliance
• Participate in code reviews and pull request validation
• Maintain CI/CD compatibility and version control standards
• Work closely with cross-functional stakeholders including UX, product, analysts and testers
• Contribute to continuous improvement within Agile delivery

Required Skills & Expertise

Must Have

• 8+ years of iOS development experience
• Experience with SwiftUI and UIKit
• URLSession, Codable, async/await knowledge
• Strong understanding of MVVM and related mobile design patterns
• Knowledge of mobile security best practices
• Understanding of iOS release lifecycle
• Git proficiency
• Fluent English and Dutch

Should Have / Nice to Have

• Accessibility API knowledge
• Dutch language proficiency

Soft Skills

• Strong focus on quality, performance and security
• Proactive and independent mindset
• Continuous improvement attitude
• Adaptable and solution-oriented
• Comfortable working in dynamic, cross-functional teams