.Net Backend Developper

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The Opportunity

We are seeking a skilled .NET Backend Developer to join our team at HITACHI ENERGY SPAIN, S.A.U. You will be responsible for designing, developing, and maintaining robust and scalable backend systems and APIs to support our critical applications.

How you will make an impact

• Develop, test, and deploy high-quality, scalable, and maintainable backend services 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.

• Design and implement RESTful APIs and microservices.

• Work with various database technologies (e.g., SQL Server, PostgreSQL) for data storage and retrieval.

• Write clean, efficient, and well-documented code following best practices and coding standards.

• Participate in code reviews to ensure code quality and adherence to architectural guidelines.

• Troubleshoot and debug production issues, providing timely resolutions.

• Contribute to the continuous improvement of our development processes and tools.

• Stay up-to-date with emerging technologies and industry trends.

Your background

• Bachelor's degree in Computer Science, Software Engineering, or a related field.

• Proven experience as a .NET Backend Developer.

• Strong proficiency in C# and the .NET framework (.NET Core/.NET 5+).

• 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.

• Excellent problem-solving skills and attention to detail.

• Ability to work independently and as part of a collaborative team.

• Good communication skills in English and Spanish (both written and verbal).

More about us

A holistic range of competitive benefit program to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us – in work and out.

For this role, depending on grade and experience we offer the following employee benefits (subject to the respective plan rules):  Annual Incentive Plan, Flexible Working, Meal Allowance, Life Insurance, Medical Check-up, Psychological assistance, Language trainings, Coaching & Assessments.

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.

For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.

The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.