Senior Full Stack .NET Developer

he Opportunity 

We are looking for a full-stack developer to join our Energy / Commodity Trade and Risk Management solution team. In this role, you will design, develop, enhance, and support enterprise-scale applications used for complex financial calculations, real-time market data processing, and structured trading workflows. 

The ideal candidate has 7+ years of full-stack software development experience and is comfortable working across frontend interfaces, backend services, APIs, business logic, SQL Server databases, automated testing, code reviews, and production issue resolution. 

How You’ll Make an Impact 

• Design, develop, and enhance features for enterprise business applications. 

• Build clean, maintainable, and efficient code following established engineering standards. 

• Develop and support frontend interfaces, backend services, APIs, and database components. 

• Work with Microsoft SQL Server to ensure data integrity, reliable access, and performance. 

• Participate in code reviews, unit testing, debugging, and continuous improvement activities. 

• Collaborate with Product Owners, Business Analysts, QA, DevOps, and product stakeholders to deliver reliable features. 

• Analyze and resolve issues across environments, including production support when required. 

• Contribute to documentation, knowledge sharing, and compliance with applicable internal and external procedures. 

• Demonstrate Hitachi Energy’s core values of safety and integrity by taking responsibility for your actions while caring for colleagues and the business. 

Your Background 

•  Bachelor’s degree in Computer Engineering, Computer Science, or equivalent, with 7+ years of relevant software development experience. 

• Hands-on experience with C#, .NET, PHP, JavaScript, HTML/CSS, and modern JavaScript frameworks such as Angular or React. 

• Experience developing RESTful APIs, web services, third-party integrations, and business logic for enterprise applications. 

• Working knowledge of Microsoft SQL Server, including queries, joins, indexing, performance considerations, and data integrity. 

• Understanding of object-oriented programming, design principles, application architecture, and structured workflows. 

• Mandatory experience with Git-based version control and familiarity with CI/CD pipelines. 

• Exposure to unit testing frameworks such as xUnit or PHPUnit. 

• Strong problem-solving, debugging, communication, and ownership skills, with the ability to work effectively in a collaborative environment. 

More About Us 

Hitachi Energy is a global technology leader advancing a sustainable energy future for all. We serve customers in the utility, industry, and infrastructure sectors with innovative solutions and services across the value chain. Together with customers and partners, we enable the digital transformation required to accelerate the energy transition toward a carbon-neutral future. 

We are advancing the world’s energy system to become more sustainable, flexible, and secure while balancing social, environmental, and economic value. Hitachi Energy has a proven track record and an installed base in more than 140 countries, with headquarters in Switzerland and operations across 90 countries.