System Development Specialist (Software Engineer, C#, .NET Developer)

Hitachi Energy Sweden AB; Västmanlands län; On-site; SEK 650,000 - 830,000; Full time

Job summary

Hitachi Energy Sweden AB in Västerås, Sweden, is seeking two System Development Specialists to join our MES team. You will develop and maintain .NET applications, design RESTful APIs, and contribute across full-stack development.

You'll work with Git and Azure DevOps in a collaborative, forward-thinking environment to modernize the MES stack and drive architectural improvements. Applications are reviewed on an ongoing basis, with strong development opportunities.

Qualifications

• 3+ years of experience with C# and .NET.
• 3+ years building REST Web APIs and modern HTML/CSS front-ends.
• Experience with Git and Azure DevOps CI/CD pipelines.
• Knowledge of Visual Studio and SQL Server Management Studio advantageous.
• Experience with web apps and service-oriented architecture.
• Interest in cyber and information security.
• Experience with unit testing and automation.

Responsibilities

• Analyze business and technical requirements to design and implement software solutions.
• Participate in the full software development lifecycle from design to deployment and maintenance.
• Develop and maintain .NET applications (desktop and web) using C#.
• Design, build, and document RESTful Web APIs.
• Collaborate with team members and cross-functional stakeholders, driving initiatives end-to-end.
• Support operators, factory staff, and warehouse personnel using the MES.
• Work with Git repositories and CI/CD pipelines in Azure DevOps.
• Write and maintain unit tests and contribute to automation initiatives.
• Participate in migrating the MES to a new generation tech stack, and bring ideas to shape its future evolution.

Skills

C# / .NET

REST APIs

Git

Azure DevOps

Unit testing

Frontend - HTML/CSS

CI/CD

SQL Server

SDLC

Security basics

Tools

Visual Studio

SQL Server Management Studio

Blazor

Job description

The opportunity

Do you have a background as a software engineer? Join us! We are now hiring two System Development Specialists to join our team in Västerås (Finnslätten), Sweden.

The team is responsible for developing and maintaining Hitachi Energy’s Manufacturing Execution System (MES), as well as modernizing the tech stack with REST APIs, Blazor, improved access control and governance, and fully implemented CI/CD pipelines. As part of our team, you’ll contribute across infrastructure, deployment, testing, and full‑stack development, and play a key role in rebuilding a high‑impact system used daily across our manufacturing environment.

You’ll be part of a skilled, collaborative, and forward‑thinking team that owns and evolves one of the most important systems in Hitachi Energy’s manufacturing landscape. Here, your work directly impacts real operations, and you’ll have the freedom to influence architecture, introduce new technologies, and drive meaningful improvements. We offer strong development opportunities, a supportive culture, and the chance to contribute to products that keep factories running efficiently and safely.

Ready to help shape the future of our MES? Apply today and make a real impact.

How you’ll make an impact

• Analyze business and technical requirements to design and implement software solutions
• Participate in the full software development lifecycle from design to deployment and maintenance
• Develop and maintain .NET applications (desktop and web) using C#
• Design, build, and document RESTful Web APIs
• Collaborate with team members and cross‑functional stakeholders, driving initiatives end‑to‑end
• Support operators, factory staff, and warehouse personnel using the MES
• Work with Git repositories and CI/CD pipelines in Azure DevOps
• Write and maintain unit tests and contribute to automation initiatives
• Participate in migrating the MES to a new generation tech stack, and bring ideas to shape its future evolution

Your background

• Minimum 3 years of experience in software development with C# and .NET is required in this position
• Minimum 3 years of experience with hands‑on experience building REST Web APIs and working with modern HTML/CSS‑based front‑end frameworks is required
• Experience with Git and CI/CD pipelines (Azure DevOps preferred) is required
• Proficiency with Microsoft Visual Studio and SQL Server Management Studio is advantageous
• Solid understanding of relational database design, SQL schemas, querying, and performance optimization
• Experience developing and maintaining web applications (desktop application experience is a plus)
• Experience with service‑oriented architecture and basic DevOps or deployment automation (preferred)
• Interest in cyber and information security, including access control
• Experience with unit testing and contributing to automation initiatives

More about us

Are you ready for a new exciting challenge? Does the above description sound like you? Applications will be reviewed on an ongoing basis, so don’t delay – apply today!

Union representatives – Sveriges Ingenjörer: Klas Koppari [phone]. Unionen: Fredrik W Nordin [phone]. All other questions can be directed to Lead Recruiter, Christian Falevik, [e-mail]