Senior Full-Stack Engineer - .NET/React, Kraków

Hitachi Automotive Systems Americas, Inc.; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

Hitachi Energy Services SP. Z O.O. in Kraków is seeking a Senior Full Stack Developer to build scalable software for asset-intensive industries. You will work on both front-end and back-end components, using .NET/C#, Web API, EF, and React to deliver modern digital products.

You will participate in microservices architecture, CI/CD practices, and AI-assisted development to improve productivity. Fluency in English and a proactive, collaborative mindset are required.

Qualifications

• Degree in Computer Science, Software Engineering, Computer Engineering, or related field.
• 6+ years of professional software development experience with .NET (C#, Web API, Entity Framework).
• Proficiency in JavaScript/React and modern front-end tooling.

Responsibilities

• Design, develop, and maintain high-quality software using the .NET technology stack.
• Ensure code reliability through unit testing, clean coding practices, and reviews.
• Work across front-end and back-end components including React.
• Contribute to microservices-based architectures and related technologies.

Skills

NET (C#, Web API, EF)

JavaScript/React

Microservices

Containers (Kubernetes, Docker)

Unit testing

Agile methodologies

DevOps concepts

English communication

Education

Bachelor's degree in Computer Science or related field

Tools

Material UI

Styled components

Vite

Job description

Hitachi Energy Services SP. Z O.O. in Kraków is seeking a Senior Full Stack Developer to build scalable software for asset-intensive industries. You will work on both front-end and back-end components, using .NET/C#, Web API, EF, and React to deliver modern digital products.

You will participate in microservices architecture, CI/CD practices, and AI-assisted development to improve productivity. Fluency in English and a proactive, collaborative mindset are required.