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.NET Backend Developer

2 days ago Barcelona, Spain

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.

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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 flexible, hybrid working options.

Apply now

Current employees apply here

Client-provided location(s): Barcelona, Spain, Madrid, Spain
Job ID: Hitachi_Energy-JID3-188120
Employment Type: FULL_TIME
Posted: 2026-04-13T23:34:05

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • HSA With Employer Contribution
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
    • On-Site Gym
  • Parental Benefits

    • Fertility Benefits
    • Family Support Resources
    • Birth Parent or Maternity Leave
    • Adoption Assistance Program
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Commuter Benefits Program
    • Snacks
    • Some Meals Provided
    • Company Outings
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Unlimited Paid Time Off
    • Paid Holidays
    • Personal/Sick Days
    • Summer Fridays
  • Financial and Retirement

    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
  • Professional Development

    • Tuition Reimbursement
    • Learning and Development Stipend
    • Promote From Within
    • Mentor Program
    • Access to Online Courses
    • Lunch and Learns
    • Work Visa Sponsorship
    • Leadership Training Program
    • Internship Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)

Company Videos

Hear directly from employees about what it is like to work at Hitachi Energy.