Intern .NET Back-End Developer (IoT)

SigmaSoftware2

Ukrainka, Kyiv Oblast, Ukraine Remote permanent

Posted: October 7, 2025

Required Skills

Job Description

• Where: Ukraine, Europe  

• When: October 27, 2025 

• Type of internship: Individual  

• Duration of internship: 3 months 

• Schedule: Full-time 

• Scholarship: Yes

We’re seeking a motivated Intern .NET Developer who is ready to grow quickly, take on real tasks, and develop with the support of a strong, collaborative team.

CUSTOMER

The client operates in the heating, ventilation, and air conditioning (HVAC) domain. Together with the client, we create smart climate solutions that use wireless connectivity and intelligent control to manage different types of properties, including apartment buildings, hotels, factories, and houses. These solutions help reduce energy consumption for both customers and for society.

PROJECT

Our project is dedicated to building smart climate solutions that make it easy to monitor, control, and operate HVAC devices from anywhere. The web applications we develop deliver a seamless, user-friendly experience while also contributing to more efficient energy use.

As an Intern .NET Back-end Developer, you will join one of our Back-end teams, where you will contribute to the development and maintenance of web applications. You will also gain hands-on experience with modern technologies and best practices.

• Code, debug, document, and maintain portions of software
• Perform unit and integration testing
• Participate in peer code reviews
• Take part in estimation and planning sessions
• Contribute to the development of technical project documentation and user documentation
• Assist QA engineers and support teams in resolving technical issues related to software installation and operation
• Follow the best engineering practices, the quality criteria set forth on the project, and EQMS requirements
• Report on the status and progress in line with project and company requirements
• Spot current deficiencies in the development process, adopted procedures, engineering practices, and environment configurations, etc., and suggest improvements

• Experience in using .NET framework and C# language
• Good understanding of OOP and OOD
• Basic understanding of the SOLID principles
• Basic knowledge of relational and non-relational databases
• Basic understanding of version control systems (Git)
• Basic knowledge of HTTP, HTML, CSS, JavaScript, and React
• Basic knowledge of cloud technology
• At least Upper-Intermediate level of English

PERSONAL PROFILE

• High level of proactivity
• Ability to learn quickly

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