C# .Net Developer (m/w/f) focus ETRM|Allegro|Horizon|SQL|API's|CI/CD

Leistungsbeschreibung

You will be part of the Horizon product team. The Horizon team is responsible for all changes in the ETRM Allegro system, whether they are small items or big features, as well as handling L3 incidents.

The key responsibilities of the Horizon team are:

• Incident Management: Handling L3 incidents and requests related to the systems they support
• ETRM Allegro System: Managing all changes and updates to the ETRM Allegro system, which includes both small items and big features. The team oversees the implementation of various modules and functionalities within the Allegro system

Anforderungen

• 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 and deploy cloud-native applications on Azure (App Services, Functions, AKS) with Docker/Kubernetes.
• Contribute to spec-driven development and explore Agentic AI / AI-assisted solutions where relevant.
• Write unit and integration tests, ensuring high-quality, maintainable code.
• Collaborate with business stakeholders to translate requirements into technical solutions.
• Troubleshoot, optimize, and support distributed systems and cloud applications.
• Develop SQL queries, stored procedures, and reporting solutions.
• Follow DevOps, CI/CD, security, and best engineering practices.
• Participate in code reviews and promote best practices for cloud security and DevOps.

• 5+ years of experience in .NET development (C#, .NET Core / .NET 6+).
• Strong experience with microservices, APIs, and distributed systems.
• Hands-on experience with Azure cloud stack and AKS/Kubernetes.
• Solid experience with SQL (T-SQL / PL-SQL).
• Experience with CI/CD pipelines, Git, and DevOps practices.
• Strong understanding of modern design principles and unit testing.

Nice to have:

• Experience with ETRM systems (Allegro, Horizon).
• Knowledge of energy trading lifecycle.
• Exposure to Agentic AI and spec-driven development.
• Experience with reporting tools and integration patterns.
• Strong analytical and problem-solving skills.
• Ability to work in a cross-functional, agile environment.
• Proactive mindset with a passion for modern engineering practices and continuous improvement.
• Good communication skills and ability to collaborate with business and technical teams.

Über den Auftraggeber

Start: 15.07.2026

End: 16.10.2026; + Options for renewal

Capacity utilisation: 100%

On-site hours: 0

Off-site hours: 550

Contract type: Contracting | Only near-shore or offshore resources are permitted 

Location: Remote