Senior .NET Developer

Hybrid in Madrid·Added 6 days ago

Métrica

11 open roles

What they offer

  • €36,000 a year

    Gross, as stated in the ad.

    About €2,250 a month after tax.

  • Permanent contract

    Per the ad.

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    Métrica doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Be near Madrid, Spain (Hybrid) for hybrid days

    No relocation package mentioned.

  • Have 3+ years of experience

    Senior-level role.

This job was automatically translated to English,.

The role

Are you a Senior Developer .NET with experience designing robust, scalable, and production-oriented solutions? We are looking to bring on a senior profile to participate in the construction of a new electronic trading and fixed income pricing platform, developed with modern .NET technologies and AWS.

What you'll do

  • Design, develop, and maintain software components with C# and .NET/.NET Core.
  • Assume technical responsibility for complex platform components.
  • Design and evolve web APIs and RESTful services with ASP.NET Core.
  • Participate in architecture, design, implementation, testing, and operation decisions.
  • Develop solutions based on microservices, APIs, and event-driven architectures.
  • Apply engineering best practices: automated testing, secure code, observability, CI/CD, and version control.
  • Collaborate with trading, product, architecture, infrastructure, and technology teams.
  • Support production systems, diagnose incidents, and improve operational reliability.

Description

🚀 Job offer: Senior Developer .NET

💼 Modality: Remote

💰 Salary: 36,000€

Your mission

You will have a key role in the design, development, and delivery of high-quality software components for electronic trading flows. You will work in a demanding technological environment, collaborating with business, product, architecture, and infrastructure teams to create reliable, maintainable, and scalable solutions.

Requirements

Required knowledge:

Required technical skills:

Expert level experience in C# and .NET/.NET Core, with solid knowledge of object-oriented design, SOLID principles, and clean architecture.

Extensive experience in the design, development, and support of ASP.NET Core web APIs and RESTful services in production environments.

Advanced knowledge of multithreading, asynchronous programming, performance optimization, and distributed systems design.

Demonstrated experience with SQL and NoSQL databases, including data modeling, performance considerations, and operational support.

Hands-on experience with container technologies such as Docker and modern deployment patterns.

Extensive experience in the design and delivery of microservices or API-based service-oriented architectures.

Strong discipline in automated testing, including unit, integration, and behavior-driven testing, using tools such as NUnit, Moq, and Cucumber.

Extensive experience with messaging and event-driven architectures, using technologies such as RabbitMQ, TIBCO, SignalR, or equivalent platforms. Extensive experience with continuous integration, continuous delivery, and version control tools such as Git, TeamCity, or equivalent platforms.

Hands-on experience working in agile development teams and contributing to the improvement of the software lifecycle.

Experience providing support to production systems, diagnosing incidents, and improving reliability, monitoring, and operational readiness.

Advanced English (essential). Blocker

Desirable

Desirable skills:

Knowledge of fixed income products, ideally including electronic trading, pricing, RFQ workflows, or market connectivity.

Experience configuring and improving continuous integration and continuous delivery pipelines.

Knowledge of one or more JavaScript single-page application (SPA) frameworks.

Hands-on experience designing or operating solutions in AWS.

Experience with cloud-native observability, infrastructure as code, or automated deployment tools.

Qualities and skills:

Highly skilled practical engineer with deep knowledge in .NET development, systems design, and production software delivery.

Practitioner, results-oriented, and capable of balancing delivery pace with long-term engineering quality. Adaptable to various technical and business responsibilities.

Excellent analytical and problem-solving skills, especially in complex distributed systems.

Ability to work independently on complex technical problems and deliver high-quality solutions with minimal supervision.

Strong oral and written communication skills, with the ability to explain technical concepts clearly to business and technology stakeholders.

Requirements

What we're looking for

  • Demonstrable senior experience in enterprise software development in production.
  • Expert level in C# and .NET/.NET Core.
  • Mastery of object-oriented design, SOLID principles, and clean architecture.
  • Experience developing and supporting RESTful APIs with ASP.NET Core.
  • Advanced knowledge of asynchronous programming, multithreading, performance, and distributed systems.
  • Experience with SQL and NoSQL databases.
  • Experience with Docker, microservices, and modern deployment patterns.
  • Experience in messaging and event architectures: RabbitMQ, TIBCO, SignalR, or similar technologies.
  • Experience with automated testing: unit, integration, and BDD, using tools such as NUnit, Moq, or Cucumber.
  • Knowledge of CI/CD tools and version control, such as Git, TeamCity, or equivalents.
  • Experience working with Agile methodologies.
  • Experience supporting production environments and resolving incidents.
  • Advanced English is essential.

Nice to have

  • Knowledge of fixed income products.
  • Experience in electronic trading, pricing, RFQ processes, or market connectivity.
  • Hands-on experience designing or operating solutions in AWS.
  • Knowledge of cloud observability, infrastructure as code, and automated deployments.
  • Experience configuring and optimizing CI/CD pipelines.
  • Knowledge of JavaScript-based SPA frameworks.
  • Basic Spanish.

Pay & benefits

What you'll get

  • Permanent contract.
  • Competitive salary commensurate with experience and the market.
  • Opportunities for professional development and continuous training.
  • Participation in challenging and high-impact projects.
  • Excellent work environment.
  • Flexible hours and the possibility of a hybrid modality.

If you are a professional passionate about technology, with a solution-oriented mindset, and you are looking for an environment where you can grow and add value, we invite you to join our team at Metrica España!

About Métrica

METRICA is a technology and digital consulting firm founded in Madrid in 2000. The company provides IT talent and tailored solutions to accelerate digital transformation, with a global presence spanning Spain, Peru, Portugal, Chile, and the USA. Their services include AI adoption, agile delivery, and technology consulting, supported by a diverse international team.

In Spain, METRICA operates with a strong remote and hybrid work culture, offering roles across Madrid, Barcelona, and fully remote positions. The company emphasizes flexibility, proactivity, and a hands-on approach, making it relevant for international professionals seeking opportunities in IT consulting, data, and infrastructure roles.

Industry
IT Consulting
Founded
2000
Headquarters
Madrid, Spain
In Spain
Madrid, Barcelona

Good to know if you are moving

  • METRICA was founded in Madrid in 2000, making it a Spanish-origin company.
  • The company has a global presence with offices in Spain, Peru, Portugal, Chile, and the USA.
  • Many roles in Spain offer 100% remote work, while others are hybrid in Madrid or Barcelona.
  • The company focuses on digital transformation, offering roles in data, infrastructure, and SAP consulting.
  • METRICA emphasizes a diverse and international team, which may be welcoming to foreign professionals.
All open roles at Métrica

Where you'd work

Métrica · Madrid

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