Junior-Intermediate .NET Backend Developer

Aviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool!

Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers (ANSPs). We combine aircraft manufacturer expertise, flight operations know-how, and agile development to enhance operational efficiency, optimize resources, and increase productivity for a safe and sustainable aviation future. Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide.

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.

Responsibilities:

• 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

Required Skills/Experience:

• 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-Haves:

• 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
• Basic understanding of airline operations, flight planning, or air navigation principles
• Passion for the aviation industry

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

Selection and Hiring Commitment

We thank all applicants for applying. Only selected applicants will be contacted.

Navblue is committed to creating an environment and a culture where everyone feels like they belong no matter who they are or where they are from. We are committed to providing equal employment opportunities to all individuals based on job-related qualifications and ability to perform a job. We do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national or ethnic origin, religion, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, record of offences, and basis of disability or any protected class. Accommodations will be available on request for candidates throughout the entire recruitment and selection process.

NAVBLUE is operating within the Airbus Helicopters Polska Structure .

About Us:

NAVBLUE, an Airbus Company, is a leading global provider of flight operations solutions, including aeronautical charts, navigation data solutions, flight planning, aircraft performance software (take-off/landing, weight and balance), and crew planning solutions.You'll be able to shape the future of the digital aviation industry by working on several of the best in the industry flagship products enabling pilots, dispatchers, flight engineers and other aviation personnel on a daily basis to deliver safe, efficient, and reliable flight operations all over the world. You'll have the opportunity to support millions of flights each year and help NAVBLUE customers maximize efficiency, reduce costs, ensure compliance with complex national and international safety regulations, and effectively deliver their services.

You'll join a team with a focus on digital and collaborative innovation that is passionate and customer-focused. Over the last few years, Airbus has been supportive of various initiatives such as Going Digital, Performance Based Navigation Services, Air Traffic Management Modernization Programs, FlySmart on iOS and other digital projects related to new aircraft technologies; the launch of NAVBLUE was therefore a natural step to further develop its Flight Operations and Air Traffic Management Portfolio.

NAVBLUE is a fully owned subsidiary of Services by Airbus, fueled by the agility of Airbus ProSky and Navtech (acquired in 2016), and the pioneering spirit of Airbus, NAVBLUE was created in July 2016 with one mission: lead aviation into the digital age.

Airbus and all subsidiaries, including NAVBLUE are proud to have been recognized as a Global Top Employer for 2025 . Based on eight criteria: physical workplace, work atmosphere and social, health financial and family benefits, vacation and time off, employee communication, performance manager, training and skills development and community involvement. It was determined that we offer some of the most progressive and forward-thinking programs within the area. This achievement reflects our commitment to nurturing and empowering our people to reach their full potential. We're grateful to our people, whose dedication and collaboration make this possible.

NAVBLUE is based in Hersham (UK), Cardiff (UK), Toulouse (France), Waterloo, ON (Canada), Bangkok (Thailand) and Gda ń sk (Poland) with other offices all around the world.