Mobile Full Stack Developer

VBeyond Corporation; Amsterdam; On-site; EUR 65,000 - 95,000; Full time

Job summary

VBeyond Corporation seeks an experienced Mobile Developer with strong hands-on mobile application development and backend experience. The role focuses on delivering production apps using Swift and/or React Native, complemented by backend development with C#/.NET; Java or Python on the backend is also welcome.

This position spans both mobile application layer and backend/API work, demanding collaboration with cross‑functional teams to design, integrate, and maintain scalable solutions across

Qualifications

• Experience in mobile application development with production apps.
• Backend/API development with C#/.NET and REST integration.
• Familiarity with agile software development lifecycle.

Responsibilities

• Design, develop, and maintain mobile applications using Swift and/or React Native.
• Develop and integrate RESTful APIs and backend services.
• Work with C#/ .NET to build backend apps and services.
• Integrate mobile apps with backend APIs, databases, and external services.
• Collaborate across teams and participate in code reviews, testing, and optimization.
• Ensure scalable, secure, reliable, and maintainable software throughout the dev lifecycle.

Skills

Mobile development

Backend development

REST APIs integration

Object‑oriented programming

Agile methodologies

CI/CD

Cloud platforms

Tools

Swift

React Native

C#/.NET

SQL/Relational Databases

Azure/AWS/GCP

CI/CD tools

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. 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.
• Work with C#/.NET to develop and maintain backend applications and 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.
• 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.

Ideal Candidate Profile

The strongest candidates will have a combination of:

Mobile: Swift and/or React Native

Integration: REST APIs / Web Services

Database: SQL / Relational Databases

Development: Object‑Oriented Programming / Agile / CI/CD

What We Are Looking For

We are specifically looking for a mobile‑focused developer with backend capabilities, rather than a traditional backend .NET developer or a pure mobile developer.

The ideal candidate should be comfortable working across the following architecture: