Senior .NET Developer

Posted 22 Days Ago
Be an Early Applicant
2 Locations
In-Office or Remote
Senior level
Fintech • Information Technology • Logistics
The Role
Design and maintain desktop and web applications using .NET and C#. Collaborate with teams to clarify requirements, improve CI/CD pipelines, and mentor others.
Summary Generated by Built In

Location:

Lodz, Lodz, Poland

Job ID:

R0123393

Date Posted:

2026-05-11

Company Name:

HITACHI ENERGY POLAND SP. Z O.O.

Profession (Job Category):

IT, Telecom & Internet

Job Schedule: 

Full time

Remote:

No

Job Description:

The opportunity 

Help us elevate mechanical transformer design solutions to the next level. You will join a product team that builds and evolves software supporting critical engineering workflows. You will work side by side with global specialists and use modern engineering practices to deliver reliable, scalable solutions. 

You will contribute to both desktop and web applications used daily by engineers. You will help modernize existing products and shape new ones. You will influence technical decisions and improve how software is built, tested, and delivered. 

You will work in an Agile environment with clear goals and priorities. Code quality, maintainability, and automation matter. Your work will directly support the future of powergrid technology. 

 

How you’ll make an impact 

  • Design, build, and maintain desktop and web features using .NET and C#. 

  • Develop solutions across WPF, Blazor, and ASP.NET Web API. 

  • Work closely with Product Owners to clarify requirements and scope. 

  • Collaborate with architects and domain experts on technical decisions. 

  • Write clean, testable code and participate in code reviews. 

  • Improve CI/CD pipelines and engineering practices. 

  • Diagnose and resolve issues across the application stack. 

  • Support team growth through knowledge sharing and mentoring. 

 

Your background 

  • 5+ years of commercial experience with .NET and C#. 

  • Strong knowledge of objectoriented design and design patterns. 

  • Experience with Blazor, MVVM, and building Web APIs. 

  • Handson experience with automated testing using MSTest, xUnit, or Moq. 

  • Experience working in Agile or Scrum teams. 

  • Degree in Computer Science or a comparable field. 

  • Confidence working in Englishspeaking environments. 

  • Experience with Python is a plus. 

  • Ability to work independently and take ownership. 

 

More about us   

We pride ourselves on offering a holistic range of competitive benefits to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us, in work and out. 

We can provide more information during the recruitment process. 

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! 

 

We are committed to full transparency and compliance with all legal requirements, ensuring that every candidate knows exactly what to expect at each stage of the recruitment process. Once the process is successfully completed, we will share detailed information about financial conditions and benefits with the selected candidate. Before signing the employment contract, you will receive all remaining details of the offer, giving you the time and space to review everything carefully.* 

*Applicable  only for Poland location align with local law regulations  

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. 

Skills Required

  • 5+ years of commercial experience with .NET and C#
  • Strong knowledge of object-oriented design and design patterns
  • Experience with Blazor, MVVM, and building Web APIs
  • Hands-on experience with automated testing using MSTest, xUnit, or Moq
  • Experience working in Agile or Scrum teams
  • Degree in Computer Science or a comparable field
  • Confidence working in English-speaking environments
  • Experience with Python is a plus
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The Company
33,676 Employees

What We Do

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. Our mission is to “Contribute to society through the development of superior, original technology and products.” Over the past 100+ years this commitment has led us to work towards creating a more sustainable society through our “Social Innovation Business”. We work to apply our expertise in information technology (IT), operational technology (OT), and a wide variety of products to advance social infrastructure systems and improve quality of life across the world.

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