Senior .NET Backend Engineer - Scalable APIs & Microservices

Hitachi; Barcelona; Presencial; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Annual Incentive Plan

Flexible Working

Meal Allowance

Life Insurance

Medical Check-up

Psychological assistance

Language trainings

Coaching & Assessments

Descripción de la vacante

Hitachi Energy Spain is seeking a skilled .NET Backend Developer to design, develop, and maintain robust backend services and APIs in support of critical applications.

You will collaborate with frontend, product managers and stakeholders, implement RESTful APIs and microservices, and work with SQL Server / PostgreSQL. Strong C#, .NET Core/NET 5+, OOP, and English/Spanish communication are required. On-site in Madrid.

Formación

• 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).

Responsabilidades

• Design, develop, and maintain robust backend systems and APIs.
• Develop, test, and deploy scalable backend services using C# and .NET.
• Design and implement RESTful APIs and microservices.
• Work with SQL Server and PostgreSQL for data storage and retrieval.
• Write clean, well-documented code following best practices.
• Participate in code reviews to ensure quality and architectural alignment.
• Troubleshoot and resolve production issues promptly.
• Contribute to process and tooling improvements.
• Stay up-to-date with emerging technologies.

Conocimientos

C#

.NET Framework

OOP Principles

RESTful APIs

Git

English

Spanish

Educación

Bachelor's degree in Computer Science or related field

Herramientas

SQL Server

PostgreSQL

Entity Framework Core

Azure

AWS

Descripción del empleo

Hitachi Energy Spain is seeking a skilled .NET Backend Developer to design, develop, and maintain robust backend services and APIs in support of critical applications.

You will collaborate with frontend, product managers and stakeholders, implement RESTful APIs and microservices, and work with SQL Server / PostgreSQL. Strong C#, .NET Core/NET 5+, OOP, and English/Spanish communication are required. On-site in Madrid.