Senior .NET Backend Engineer - Flexible Work Arrangement

Vortech PCI Group; Barcelona; Hybrid; EUR 70,000 - 100,000; Full time

Job summary

Vortech PCI Group is seeking a Senior Backend Engineer specializing in .NET to drive a strategic billing project for an international software client. You will focus on backend systems, modern architectures, distributed services, and engineering best practices.

The role requires 6+ years of C#/.NET experience, RESTful APIs, Docker/Kubernetes, SQL, messaging with RabbitMQ/Service Bus, and unit testing with xUnit or NUnit. On-site collaboration is expected two days per week at Gran Via2, Barcelona.

Qualifications

• 6+ years of backend development with C# and .NET (modern versions).
• Experience with .NET 8/9 or recent stable versions.
• Design and implement robust, scalable RESTful APIs.
• Experience with distributed systems and asynchronous communication.
• Experience with Docker and Kubernetes for containerization.
• Experience with SQL databases and messaging queues (RabbitMQ/Service Bus).
• Unit testing with xUnit, NUnit, or equivalent frameworks.
• Experience with microservices and hexagonal architecture.
• Experience in Agile environments.

Skills

C#/.NET

RESTful APIs

Distributed systems

Unit testing

Agile methods

Microservices

Hexagonal architecture

Asynchronous messaging

Backend focus

DDD knowledge

Tools

Docker

Kubernetes

SQL databases

RabbitMQ/Service Bus

Azure (nice to have)

Job description

Vortech PCI Group is seeking a Senior Backend Engineer specializing in .NET to drive a strategic billing project for an international software client. You will focus on backend systems, modern architectures, distributed services, and engineering best practices.

The role requires 6+ years of C#/.NET experience, RESTful APIs, Docker/Kubernetes, SQL, messaging with RabbitMQ/Service Bus, and unit testing with xUnit or NUnit. On-site collaboration is expected two days per week at Gran Via2, Barcelona.