React Native Developer

We're looking for an experienced Senior React Native Developer to join our client's team and contribute to the development of scalable, high-performance mobile applications. You'll work across the full application lifecycle, from technical design and development to testing, optimisation, and release. This opportunity is particularly suited to a senior mobile specialist with experience in both public transport and e-commerce environments, who enjoys solving complex technical challenges and working closely with multidisciplinary teams.

Role & Responsibilities

You’ll take ownership of delivering reliable cross‑platform mobile solutions for iOS and Android while contributing to technical direction and development standards. Your responsibilities will include:

• Design, develop, and maintain high-quality cross‑platform mobile applications using React Native.
• Build reusable, scalable, maintainable, and well‑tested components for iOS and Android.
• Translate business and functional requirements into robust technical solutions.
• Integrate RESTful APIs and third‑party services and collaborate with backend teams on API contracts and integration challenges.
• Implement and maintain state management using technologies such as Redux, Redux Toolkit, Context API, or Zustand.
• Optimise application performance, responsiveness, memory consumption, and startup times.
• Troubleshoot and resolve complex technical issues across iOS and Android.
• Participate in code reviews and contribute to coding standards, best practices, and architectural decisions.
• Support application releases and deployments through the Apple App Store and Google Play Store.
• Work closely with product managers, business analysts, UI/UX designers, backend developers, QA engineers, and other stakeholders.
• Mentor less experienced developers and contribute to knowledge sharing within the team.
• Participate in an Agile/Scrum development environment and contribute to continuous improvement.

Technical Profile

The ideal candidate combines deep React Native expertise with broad software development experience and a strong understanding of mobile application architecture. You should have:

• 10+ years of professional software development experience, with strong hands‑on expertise in React Native.
• Proven experience building scalable and high‑performance mobile applications.
• At least 3 years of experience working within the Belgian public transport domain.
• At least 3 years of experience developing and/or maintaining e‑commerce applications.
• Strong understanding of mobile application architecture, API integration, performance optimisation, and end‑to‑end development.
• Experience with state management solutions such as Redux, Redux Toolkit, Context API, or Zustand.
• At least 5 years of experience working in an Agile/Scrum development environment.
• At least 5 years of experience with CI/CD tooling such as GitHub Actions, Azure DevOps, or Jenkins.
• Strong experience with Git and modern software development practices.
• Experience contributing to technical design, architecture, code reviews, and development standards.
• A Master's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent professional experience.
• Strong problem‑solving skills, autonomy, and a proactive approach to development.
• Excellent collaboration and communication skills.

Languages

You communicate fluently in English, both spoken and written, at a minimum C1 level. Experience working with multidisciplinary teams and translating business requirements into clear, reliable technical solutions is essential for this role.

Contactperson & Reference

• Reference #: INW28315
• Pieter Messely
• pieter.messely@i4m.be