Senior .NET Developer - Microservices, Cloud & CI/CD

UST; Madrid; Híbrido; EUR 52.000 - 77.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health care plan

Teleworking compensation

Life and accident insurances

Flexible remuneration program

Descripción de la vacante

UST is seeking top talent in Madrid for a Senior .NET software engineer. You will design, build and maintain high-quality .NET components across the full SDLC, taking ownership of complex platform modules and delivering robust, scalable solutions.

You will collaborate with trading, product, architecture and infrastructure teams and contribute to automated testing, observability and secure coding practices. Ideal candidates have expert C#/.NET experience, strong OOP/SOLID/Clean Architecture, and

Formación

• Advanced English (C1 level mandatory).
• Expert-level C# and .NET/.NET Core experience.
• Strong understanding of OOP, SOLID principles and Clean Architecture.
• Experience designing ASP.NET Core Web APIs and RESTful services in production.
• Advanced understanding of multithreading, asynchronous programming, performance tuning and distributed systems.
• Proven experience with SQL and NoSQL databases, data modelling and operational support.
• Hands-on experience with Docker and containerization technologies.
• Designing and delivering API-based microservices and SOA.
• Strong discipline around automated testing: Unit/Integration Testing, BDD, NUnit, Mockito, Cucumber.
• Experience with messaging/event-driven architectures: RabbitMQ, TIBCO, SignalR.
• CI/CD practices and source control tools: Git, TeamCity

Responsabilidades

• Design, build and maintain high-quality .NET software components across the full software delivery lifecycle.
• Take hands-on ownership of technically complex platform components, ensuring robustness, maintainability, and scalability.
• Apply strong engineering judgement to architecture, design, implementation, testing and operations.
• Collaborate with trading, product, architecture, infrastructure and partner technology teams to deliver aligned solutions.
• Contribute to strong engineering practices including automated testing, observability, secure coding, CI/CD and release management.

Conocimientos

C#/.NET

RESTful APIs

OOP/SOLID/Clean Architecture

Multithreading/Async

SQL/NoSQL

Docker/Containerization

API-based Microservices/SOA

Automated Testing (BDD/NUnit/Cucumber)

CI/CD (TeamCity)

Messaging (RabbitMQ/TIBCO/SignalR)

Git

AWS (Nice to have)

Herramientas

Docker

Git

TeamCity

Descripción del empleo

UST is seeking top talent in Madrid for a Senior .NET software engineer. You will design, build and maintain high-quality .NET components across the full SDLC, taking ownership of complex platform modules and delivering robust, scalable solutions.

You will collaborate with trading, product, architecture and infrastructure teams and contribute to automated testing, observability and secure coding practices. Ideal candidates have expert C#/.NET experience, strong OOP/SOLID/Clean Architecture, and