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Medior Fullstack Developer (.NET + JavaScript)
Quantoz Payments B.V.
About the role
Do you want to work on the future of finance with us?
What will you do? As a Medior Fullstack Developer at Quantoz Payments, you will help expand and maintain our payment infrastructure and Nexus systems. Our platform continues to grow, and we are strengthening the development team to support new features and increasing demand. You will work across both backend and frontend technologies, contributing to the development of scalable payment solutions and internal systems. You will join a growing fintech company where technology is central to the product. At Quantoz, developers play a key role in shaping the future of digital payments while working in a collaborative and innovative environment.
What you'll do
Developing backend services using .NET / C#
Building and maintaining frontend applications with React and JavaScript
Working with Node.js services within our payment platform
Designing and implementing new features across the full stack
Collaborating closely with other developers and product teams
Improving system reliability, scalability, and maintainability
What We Are Looking For We are looking for a fullstack developer who enjoys working across different technologies and contributing to complex fintech systems. You should have:
3+ years of professional software development experience
Experience with .NET / C#
Strong experience with JavaScript/TypeScript, preferably React
Familiarity with Node.js
Experience developing APIs and scalable backend systems
A proactive attitude and strong ownership mindset
Good communication skills and ability to work in a team
Nice to have
Experience in fintech or payment systems
Knowledge of microservices architecture
Experience with cloud platforms
Apply for the job Do you want to join our team as our new Medior Fullstack Developer (.NET + JavaScript)? Then we'd love to hear about you!