The opportunity

Hitachi, Ltd. is seeking a talented .NET Backend Developer to design, develop, and maintain robust and scalable backend systems and APIs, contributing to critical enterprise applications.

How You’ll Make An Impact

- Design, develop, and implement high-performance, scalable, and secure backend services and APIs using C# and the .NET framework.
- Collaborate with front-end developers, product managers, and other stakeholders to understand requirements and translate them into technical solutions.
- Write clean, maintainable, and efficient code following best practices and coding standards.
- Participate in code reviews to ensure quality and adherence to architectural guidelines.
- Troubleshoot, debug, and resolve issues in existing applications and systems.
- Develop and maintain technical documentation for new and existing functionalities.
- Optimize applications for maximum speed, scalability, and security.
- Contribute to the continuous improvement of development processes and tools.
- Stay updated with the latest industry trends, technologies, and best practices.

Your Profile

- Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.




- Minimum 5 years of proven experience as a Backend Developer with strong proficiency in C# and the .NET framework (.NET Core/.NET 8+).
- Solid understanding of object‑oriented programming (OOP) principles and design patterns.
- Experience with relational databases (e.g., SQL Server, PostgreSQL) and ORM frameworks (e.g., Entity Framework Core).
- Familiarity with RESTful API design and development.
- Experience with version control systems, preferably Git.
- Knowledge of cloud platforms (e.g., Azure, AWS) is a plus.
- Understanding of microservices architecture and message queuing systems (e.g., RabbitMQ, Kafka) is beneficial.
- Strong problem‑solving skills and attention to detail.
- Excellent communication and teamwork skills.

More About Us

- We offer an inspiring international environment committed to the energy transition.
- We deliver high value‑added projects at the core of major industrial and technological challenges.
- We support your professional development through training, internal mobility, and international opportunities.
- We foster a collaborative and inclusive company culture focused on innovation.
- We provide attractive benefits, including competitive compensation and versátil, hybrid working options.

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📌 .NET Backend Developer (Madrid)
🏢 Hitachi Energy
📍 Madrid