Apple IOS Developer - Finance Sector - Leuven - ASAP Start - Freelance / CDI
- Full-time
Company Description
As a Senior Full Stack Developer, you bring 5+ years of end‑to‑end application development, combined with deep expertise in iOS mobile engineering (8+ years).
You will design, develop, test, and deliver high‑quality mobile and web components while ensuring seamless integration with backend systems. You participate in the full application lifecycle — from design to deployment and long‑term maintenance.
Job Description
Full Stack Responsibilities
- Design and develop front-end web architecture and user interactions.
- Build back-end application logic, services, and API integrations.
- Create and maintain databases and server environments.
- Ensure cross-platform optimization, including mobile responsiveness.
- Deliver clean, scalable, maintainable code from concept to final product.
- Collaborate closely with designers to implement web & mobile design features.
- Ensure solutions meet both technical requirements and end-user needs.
iOS‑Specific Responsibilities
- Develop and maintain the Mobile App in collaboration with:
developers, analysts, testers, project leads, UX experts, product owners and Scrum Masters. - Ensure secure integration with backend systems in alignment with mobile security guidelines.
- Apply modern iOS architecture and design patterns (MVVM, coordinators, dependency injection).
- Oversee CI/CD integration, build pipelines, and app release processes.
- Maintain high standards of quality, stability, performance, and security.
- Review pull requests and promote best practices across the team.
Qualifications
Core Full Stack Skills
- Strong experience with front-end (web) and back-end development.
- API design and development.
- CI/CD pipelines.
- Mobile development principles.
- Agile methodologies (Scrum, SAFe).
iOS Technical Skills
- 8+ years of professional iOS development.
- Excellent proficiency in Swift, including SwiftUI & UIKit.
- Experience with Swift Package Manager, async/await, URLSession, Codable.
- Strong experience integrating 3rd‑party libraries.
- Solid understanding of iOS accessibility APIs.
- Knowledge of mobile security practices (SSL pinning, secure storage, etc.).
- Familiarity with the iOS release lifecycle.
- Skilled with GIT (GitHub, Bitbucket).
- Strong application of architectural patterns: MVVM, coordinator pattern, DI.
🧠 Soft Skills & Competencies
- Analytical thinking & problem-solving mindset
- Independent and proactive working style
- Strong collaboration skills
- Result‑driven and quality‑focused
- Eager to learn & adapt
- Can‑do attitude, resilient under changing priorities
- Passion for coding and continuous improvement
- Strong communicator in English (spoken & written)
- Working knowledge of Dutch is required
🎓 Must‑Have Requirements
- Mobile development background
- Experience with Agile (Scrum/SAFe)
- CI/CD experience
- Dutch & English proficiency
- Experience with:
- Apple iOS SDK
- Xcode
- Apple macOS
- Swift
- GitHub / Bitbucket
- MVVM architecture