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.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 Git Hub Copilot and other AI-powered coding tool s.What You’ll Be DoingEnhancing and maintaining a core trading applicationDelivering new features, improvements and bug fixesInvestigating and resolving technical issues alongside users and stakeholdersBuilding and supporting ASP. NET Core APIs and backend servicesContributing to the Angular frontendWriting automated tests and supporting CI/CD practicesWorking closely with analysts,



architects and engineers to deliver value iterativelyUsing AI-assisted development tools to improve productivity and code qualityHelping modernise and improve existing application compone ntsWhat We’re Looking For3+ years’ experience with C#/. NET and ASP. NETCore Experience building APIs and working with SQL databasesKnowledge of Angular or another modern frontend frameworkUnderstanding of software engineering best practices and clean code principlesExposure to automated testing and CI/CD pipelinesEnthusiasm for learning, collaborating and adopting new technologiesNice to HaveEntity Framework CoreReact or other frontend frameworksAzure, Terraform or Dev Ops toolingMessaging technologies such as Rabbit MQ or KafkaExperience with application modernisation projectsWhat You’ll GetThe chance to learn from an experienced engineering teamExposure to modern software architecture and engineering practicesHands‑on experience with AI-powered development toolsFlexible working hours and hybrid working (60% remote)Meal allowance, internet contribution and private healthcareExtensive training and professional development opportunitiesIndicative Salary Range€50,000-60,000 + bonus

📌 Mid Fullstack Software Engineer (Madrid)
🏢 Kureos
📍 Madrid