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# Senior Backend Engineer .Net - Electronic Trading

- **Company:** VORTECH PCI GROUP
- **Location:** Álava, Spain
- **Contract:** Permanent contract
- **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Multitier Architecture, Agile Methodology, Amazon Web Services, Application Performance Management, Automation of Tests, C Sharp (Programming Language), Continuous Integration, Software Design Patterns, Distributed Systems, Enterprise Messaging Systems, NoSQL, RabbitMQ, SignalR, Software Construction, Software Engineering, SQL Databases, Multithreading, .NET Core, Grafana, Concurrency, Infrastructure as Code (IaC), Backend, Event Driven Architecture, Solid Principles, Asynchronous Programming, Restful APIs, TIBCO (Software), Docker, Microservices
- **Published:** October 28, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-net-electronic-trading-en-alava-ID-378024676

## About the Role

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.

## Description

RESPONSIBILITIESDesign, 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.REQUIREMENTS5+ 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 HAVEExperience 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 CONDITIONSLocation: Spain, Portugal, Poland or United Kingdom.Project: International greenfield Electronic Trading platform.Working language: English.WHAT WE OFFERInternational 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.Para ejercer sus derechos de acceso, rectificación, cancelación y oposición, puede escribir a .#J-*****-Ljbffr