Allegro Horizon - Developer (m/f/d)

Design, develop, and maintain scalable .NET (C#, .NET Core/6+) applications and microservices using modern architecture principles (SOLID, Clean Architecture, DDD)Build and enhance ETRM solutions (Allegro/Horizon), supporting full trade lifecycle (capture, scheduling, risk, settlements)Develop cloud-native applications on Azure (App Services, Functions, AKS) with Docker/KubernetesContribute to spec-driven development and explore Agentic AI / AI-assisted solutions where relevantWrite unit and integration tests, ensuring high-quality, maintainable codeCollaborate with business stakeholders to translate requirements into technical solutionsTroubleshoot, optimize, and support distributed systems and cloud applicationsDevelop SQL queries, stored procedures, and reporting solutionsFollow DevOps, CI/CD, security, and best engineering practicesParticipate in code reviews and promote best practices for cloud security and DevOps Solid experience in .NET development (C#, .NET Core /.NET 6+)Strong experience with microservices, APIs, and distributed systemsHands-on experience with Azure cloud stack and AKS/KubernetesSolid experience with SQL (T-SQL / PL-SQL)Experience with CI/CD pipelines, Git, and DevOps practicesStrong understanding of modern design principles and unit testingExperience with ETRM systems; Allegro Horizon is an advantageKnowledge of energy trading lifecycleExposure to Agentic AI and spec-driven developmentExperience with reporting tools and integration patterns Project extension / future projectsA very renowned companyYou will work in an international environment IT is and always has been our core business that laid the foundation for Hays' success. We are the biggest privately owned IT recruitment agency in Germany and offer the best jobs for every career level – whether you are interested in vacancies in agile SMEs or international DAX groups. Hays masters the entire IT job spectrum, from support to software architecture or digitalisation – thanks to our broad portfolio, we have something for everyone. In the last decades, we were able to support numerous IT experts with choosing the right path for a successful career, positioning ourselves as their lifelong partner. Our highly specialised consultants can cater to your every wish and expectation and will prepare you for interviews and contract negotiations. Give it a try and learn what the market has to offer – our services are free of charge, non-binding and discreet! We look forward to hearing from you.

Responsibilities

Design, develop, and maintain scalable .NET (C#, .NET Core/6+) applications and microservices using modern architecture principles (SOLID, Clean Architecture, DDD)Build and enhance ETRM solutions (Allegro/Horizon), supporting full trade lifecycle (capture, scheduling, risk, settlements)Develop cloud-native applications on Azure (App Services, Functions, AKS) with Docker/KubernetesContribute to spec-driven development and explore Agentic AI / AI-assisted solutions where relevantWrite unit and integration tests, ensuring high-quality, maintainable codeCollaborate with business stakeholders to translate requirements into technical solutionsTroubleshoot, optimize, and support distributed systems and cloud applicationsDevelop SQL queries, stored procedures, and reporting solutionsFollow DevOps, CI/CD, security, and best engineering practicesParticipate in code reviews and promote best practices for cloud security and DevOps

Benefits

Project extension / future projectsA very renowned companyYou will work in an international environment