Junior-Intermediate .NET Backend Developer Jobs

NAVBLUE Limited

Location:
Poland, Gdańsk

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for an enthusiastic Software Developer to join our team, where you'll have the opportunity to grow your skills working with SaaS applications in a microservices-based environment. As a member of our team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations.

Job Responsibility:

Develop new and maintain existing .NET (C#) code in an AWS cloud environment
Contribute to code quality by applying coding best practices, learning about test-first mindsets, and following security standards
Actively participate in implementing various types of tests, including unit, component, and functional tests, to help ensure software reliability
Assist in building and improving development processes
Work collaboratively within a small agile team to deliver new features and fix defects
Support software architecture discussions and learn to translate system-level designs into robust, maintainable, and high-quality code, following best practices in software engineering

Requirements:

1+ years of professional experience in software development
Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers)
Experience writing unit tests, component testing or integration testing
Applying best practices to keep code maintainable
Hands on experience with ASP.NET Web API
Experience working with databases and understanding of Entity Framework
Bachelor’s Degree in software engineering or a related field
Good spoken and written English skills

Nice to have:

Hands-on experience with Python in testing area
Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security
Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools
Expertise in implementation of automated functional tests using Python
Understanding of software testing concepts and methodologies, including unit testing, component testing, and integration testing (covering functional and non-functional aspects). Demonstrable knowledge of ISTQB best practices. ISTQB certification is a strong asset
Strong capability in identifying technical challenges and bottlenecks, constructively proposing and implementing effective solutions, while actively building team engagement and fostering a positive atmosphere
Experience with WPF (Windows Presentation Foundation)
Understanding of ASP .NET MVC and ASP .NET Web pages
Working knowledge of JavaScript
Basic understanding of airline operations, flight planning, or air navigation principles
Passion for the aviation industry

What we offer:

Hybrid work environment with up to 2 days working from home weekly
Stable employment based on a full-time job contract
International working environment in a dynamic company
Access to the latest knowledge and technologies enabling professional development
Training and development possibilities
Participating in international projects and international trips
Competitive salary dependent on experience and qualifications
Flexible working hours and work-from-home opportunities
Private medical coverage for you and your family
Sport card
Life insurance for you and your family
Co-funding for meals
Employee stock ownership plan

Additional Information:

Job Posted:
December 10, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Junior-Intermediate .NET Backend Developer