Job Description
* Design, build, and maintain .NET Web APIs that power our customer and internal services
* Develop scalable data models and business logic with C# and Entity Framework Core, backed by MS SQL Server
* Deploy and operate applications on Azure (App Service, Azure SQL, Storage Accounts, Key Vault, etc.)
* Set up and maintain CI/CD pipelines using Azure DevOps
* Collaborate closely with frontend, product, and operations teams to deliver high-impact features
* Write clean, secure, and well-tested code; implement logging, monitoring, and alerting
* Contribute to infrastructure as code with Terraform (basic knowledge is enough; we will teach you more)
* Help improve performance, scalability, and reliability of our backend services
* Participate in code reviews, share knowledge, and grow with the team
Qualifications
(We value growth and diversity over perfect alignment - aim for 50 % match and apply even if you do not tick every box.)
* 1-4 years of professional experience building backend services with .NET / C#
* Solid knowledge of .NET Web API development and RESTful service design
* Familiarity with Azure cloud services (App Service, Storage, SQL, Key Vault, etc.)
* Experience with MS SQL Server and Entity Framework Core
* Understanding of CI/CD pipelines and Git version control
* Basic exposure to infrastructure as code (Terraform or similar)
* Good grasp of software engineering best practices (clean architecture, SOLID, testing)
* Strong debugging and troubleshooting skills
* Excellent communication in English (German is a plus)
Nice to have (bonus points):
* Basic frontend knowledge (e.g., React, TypeScript) to occasionally support full-stack tasks or collaborate more effectively with frontend engineers
* Experience with messaging/queueing (e.g., Azure Service Bus)
* Knowledge of authentication/authorization (e.g., Azure Entra ID/OAuth2)
* Understanding of caching (Redis, Azure Cache)
* Familiarity with microservices and containerization (Docker)
Additional Information
Why Enpal Heat:
* Work in one of Europe’s most ambitious heat pump businesses, part of Germany’s first green unicorn
* Build backend software that drives the decarbonization of home heating at scale
* Shape how Backend Engineering is set up at Enpal Heat - your voice matters
* Use modern .NET, cloud-native architecture, and DevOps practices
* Enjoy a diverse, hybrid workplace with over 65 nationalities
* Grow fast with a steep learning curve, mentorship, and real ownership
Ready to build products that make a real impact on the climate? We would love to meet you. Even if you do not meet every requirement, we encourage you to apply - your unique strengths might be exactly what we need.
At Enpal, we celebrate diversity. All qualified applicants receive consideration without regard to skin color, religion, ethnic or national origin, gender identity, sexual orientation, disability, or age. We foster a safe and respectful workplace for everyone.