Looking to take the next step in your software engineering career? This is an opportunity to join a high-performing team working on technology that sits at the heart of energy trading operations.

Antes de solicitar este puesto, por favor, lea la siguiente información sobre esta oportunidad que encontrará a continuación.

You'll work on a business-critical platform used by real users every day, gaining exposure to complex systems, modern engineering practices and the latest AI-assisted development tools. Supported by experienced colleagues, you'll deepen your technical expertise while taking ownership of enhancements, resolving issues and contributing to the ongoing evolution of the application.

This role is adecuado for a developer with a solid foundation in .NET who wants to learn from a strong engineering team, accelerate their growth and embrace modern development approaches, including GitHub Copilot and other AI-powered coding tools.

What You'll Be Doing

- Enhancing and maintaining a core trading application
- Delivering new features, improvements and bug fixes
- Investigating and resolving technical issues alongside users and stakeholders
- Building and supporting ASP.NET Core APIs and backend services
- Contributing to the Angular frontend
- Writing automated tests and supporting CI/CD practices
- Working closely with analysts,



architects and engineers to deliver value iteratively
- Using AI-assisted development tools to improve productivity and code quality
- Helping modernise and improve existing application components

What We're Looking For

- 3+ years' experience with C#/.NET and ASP.NET Core
- Experience building APIs and working with SQL databases
- Knowledge of Angular or another modern frontend framework
- Understanding of software engineering best practices and clean code principles
- Exposure to automated testing and CI/CD pipelines
- Enthusiasm for learning, collaborating and adopting new technologies

Nice to Have

- Entity Framework Core
- React or other frontend xqbhyrx frameworks
- Azure, Terraform or DevOps tooling
- Messaging technologies such as RabbitMQ or Kafka
- Experience with application modernisation projects

What You'll Get

- The chance to learn from an experienced engineering team
- Exposure to modern software architecture and engineering practices
- Hands-on experience with AI-powered development tools
- Flexible working hours and hybrid working (60% remote)
- Meal allowance, internet contribution and private healthcare
- Extensive training and professional development opportunities
- 90% gym membership coverage

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📌 Mid – Fullstack Developer (Backend Focussed) .NET/ JS (Madrid)
🏢 Kureos (Conficio Recruitment
📍 Madrid