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

Location: Vaesteras, Vastmanland County, Sweden Job ID: R0122145 Date Posted: 2026-03-25 Company Name: HITACHI ENERGY SWEDEN AB Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No 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 What we offer Collective agreement Flexible working time Health care and wellness allowance Fantastic career possibilities within Hitachi Energy both within Sweden and globally Mentor to support you throughout onboard phase Various trainings and education supporting employee development​ Diversified company with over 70+ nationalities working in Sweden Supplementary compensation for parental leave Employee Benefit Portal with thousands of discounts and perks 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 +46 107- 38 13 45. Unionen: Fredrik W Nordin +46 107-38 15 12. All other questions can be directed to Lead Recruiter, Christian Falevik, 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.