RESPONSIBILITIES

- Design, develop and maintain backend services using C#, .NET Core and ASP.NET Core.
- Build scalable REST APIs and microservices-based architectures.
- Develop distributed systems and event-driven integrations using messaging technologies.
- Implement multithreading, concurrency and asynchronous programming solutions.
- Optimise application performance, scalability and reliability.
- Work with SQL and NoSQL databases.
- Apply Clean Architecture, SOLID principles and software engineering best practices.
- Implement automated testing and contribute to CI/CD processes.
- Troubleshoot production issues and collaborate with international technical teams.

REQUIREMENTS

- 5+ years of professional software development experience , with strong expertise in C# and .NET.
- Solid experience with .NET Core, ASP.NET Core and REST APIs .
- Proven experience with microservices and distributed systems .
- Strong knowledge of multithreading, asynchronous programming and concurrency .
- Experience with event-driven architectures and messaging technologies such as RabbitMQ, TIBCO, SignalR or equivalent.
- Experience with SQL and NoSQL databases.
- Knowledge of SOLID principles, Clean Architecture and design patterns .
- Experience with Docker, automated testing and CI/CD pipelines.




- Experience supporting and troubleshooting applications in production.
- Experience working in Agile environments.
- Advanced English.

NICE TO HAVE

- Experience in Financial Services, Fixed Income or Electronic Trading .
- Knowledge of trading platforms, pricing systems or RFQ workflows.
- Experience with AWS .
- Knowledge of Infrastructure as Code (IaC) and observability tools.
- Experience with JavaScript and SPA frameworks.

WORKING CONDITIONS

Location: Spain, Portugal, Poland or United Kingdom.

Project: International greenfield Electronic Trading platform.

Working language: English.

WHAT WE OFFER

- International project within the financial sector.
- Opportunity to build a new trading platform using modern .NET technologies.
- Technically challenging environment focused on distributed systems, scalability and performance.
- Collaboration with experienced international engineering teams.
- Active involvement in technical design and architectural decisions.
- Close support throughout the recruitment process.

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📌 Senior Backend Engineer .NET (La Coruña)
🏢 VORTECH PCI GROUP
📍 La Coruña