Medior Fullstack Developer (.NET + JavaScript)

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.

Key responsibilities

• 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