R&DSoftwareDeveloper/C#programmer

**Location:** Vaesteras, Vastmanland County, Sweden **Job ID:** R0126715 **Date Posted:** 2026-05-05 **Company Name:** HITACHI ENERGY SWEDEN AB **Profession (Job Category):** Engineering & Science **Job Schedule:** Full time **Remote:** No **Job Description:** **The opportunity** Network Control is looking for a **Software Developer / C# Programmer** to join our development office in Västerås. You will work on a large‑scale, mission‑critical software system used by customers to monitor and operate electrical power grids. The product is a long‑lived, high‑performance SCADA‑related system with strict requirements on reliability, security, and maintainability. You will be involved in both new development and long‑term product evolution, working closely with developers, architects, testers, and product owners in an agile environment. This role is ideal for a developer who enjoys working with complex systems, understanding end‑to‑end behavior, and writing robust, high‑quality C# code. **How you’ll make an impact** * Design and implement new functionality in C# according to functional and non‑functional requirements * Understand and modify existing code in a large, mature codebase with long‑term maintenance in mind * Perform code reviews and contribute to architectural and technical discussions * Execute unit tests, integration tests, and system test scenarios to ensure stable releases * Collaborate closely with testers, architects, and product owners throughout the development lifecycle * Actively contribute to continuous improvement of development processes, tools, and coding standards **Your background** * University degree in **Computer Science, Software Engineering** , or equivalent experience * Strong hands‑on experience with **C#, .NET** **Azure DevOps** and **Git** * Good knowledge of **WPF or MAUI** * Good understanding of **relational database design** and hands‑on experience with **Oracle and PostgreSQL** * Knowledge of **SCADA systems** , energy systems, or ot