Mobile Full Stack Developer

VBeyond Corporation; Amsterdam; On-site; EUR 70,000 - 100,000; Full time

Job summary

VBeyond Corporation in Amsterdam seeks an experienced Mobile Developer to join our team, working across both mobile applications and backend services. You will develop production apps using Swift and/or React Native and contribute to backend development with C#/.NET, Java, or Python.

You will design, build, and maintain RESTful APIs, integrate with databases and external services, and collaborate with architects, QA, and product teams to deliver scalable, secure software throughout the full SDLC.

Qualifications

• Proven experience in mobile application development with production apps.
• Backend experience with C#/.NET, Java or Python.
• Solid knowledge of RESTful APIs and data integration.
• Experience with cross-platform frameworks like React Native.
• Familiarity with cloud platforms (Azure, AWS, or GCP) and databases.

Responsibilities

• Design, develop, and maintain mobile applications using Swift and/or React Native.
• Develop and integrate RESTful APIs and backend services.
• Integrate mobile apps with backend APIs, databases, and external services.
• Collaborate with architects, QA, product teams, and other stakeholders.
• Ensure scalability, security, reliability, and maintainability across mobile and backend.

Skills

Mobile development

Backend development

Swift

React Native

C# / .NET

Java / Python

RESTful APIs

Databases

Azure / AWS / GCP

CI/CD

Tools

Azure DevOps

Git

Jenkins

Job description

We are looking for an experienced Mobile Developer with strong hands-on experience in mobile application development combined with backend development experience.

The ideal candidate will have experience developing and maintaining production mobile applications using Swift and/or React Native, along with backend development using C#/.NET or JAVA / Python. Experience with Java or Python on the backend will also be considered.

This role is ideal for a developer who can understand and contribute across both the mobile application layer and backend/API layer.

Key Responsibilities

• Design, develop, enhance, and maintain mobile applications using Swift and/or React Native.
• Develop and integrate RESTful APIs and backend services.
• Integrate mobile applications with backend APIs, databases, and external services.
• Troubleshoot and resolve issues across mobile and backend components.
• Collaborate with developers, architects, QA engineers, product teams, and other stakeholders.
• Participate in code reviews, testing, debugging, and performance optimisation.
• Ensure applications are scalable, secure, reliable, and maintainable.
• Contribute to the complete software development lifecycle, from requirements through development, testing, deployment, and support.
• Strong commercial experience in mobile application development.
• Hands‑on experience with Swift (iOS) and/or React Native.
• Experience developing, enhancing, and supporting production mobile applications.
• Backend development experience using C#/.NET is highly preferred. Experience with Java or Python on the backend will also be considered.
• Good understanding of REST APIs, API integration, and backend services.
• Experience with object-oriented programming and software development principles.
• Experience working with databases and data-driven applications.
• Good understanding of software development lifecycle and Agile methodologies.
• Strong troubleshooting and problem‑solving skills.

Preferred Skills

• Experience with ASP.NET Core / .NET Core.
• Experience with C# and backend service development.
• Experience with SwiftUI and/or modern iOS development.
• Experience with React Native and cross‑platform mobile development.
• Experience with Java or Python as an alternative backend technology.
• Experience with SQL/relational databases.
• Experience working with cloud platforms such as Azure, AWS, or GCP.
• Experience with CI/CD, Git, automated testing, and mobile application deployment.
• Understanding of authentication, security, and API integration patterns.