Senior .NET Developer WPF/MAUI

Shift4 (NYSE: FOUR) is boldly redefining commerce by simplifying complex payments ecosystems across the world. As the leader in commerce-enabling technology, Shift4 powers billions of transactions annually for hundreds of thousands of businesses in virtually every industry. For more information, visit www.shift4.com.

What you will do. A glimpse into your role:

As a Senior .NET Developer is responsible for designing, developing, testing, deploying, and supporting .NET WPF/MAUI applications and .NET web services. This role contributes to delivering high-quality solutions that meet business requirements and align with technology standards. The position plays a key role in technical reviews, architecture improvements, and implementing best practices within an Agile team environment.

Every action has an impact. You will make a difference here if you:

• Design, develop, test, deploy, and support .NET WPF/MAUI applications and services.

• Participate in technical reviews and recommend improvements, upgrades, and architecture changes.

• Research and evaluate software technologies and products.

• Implement best practices, standards, and procedures for quality and delivery.

• Ensure compliance with documented software processes throughout the product lifecycle.

• Collaborate with peer developers, Development Leads, and Product Managers to define functionalities and implementations.

• Work within an Agile team setup (6–9 members) and actively contribute to improvement initiatives.

Key competencies to empower your journey. You’ll thrive in this role if you have:

• Strong analytical and problem-solving skills.

• Ability to work independently and in a team.

• Excellent communication skills in English.

• Excellent TEAM player.

• Excellent problem-solving skills.

• Enjoy working in a multi-cultural environment.

Skills

• Strong expertise in .NET Technologies: C#; .NET WPF; .NET Xamarin/MAUI; WCF Services; and Web API / REST, MVC

• Good understanding of concepts like authentication/authorization, client and server-side caching, multithreading, and performance optimization.

• HTML, JavaScript, Angular 12+ is a plus.

• Software Security Development principles.

• Strong understanding of OOP, design patterns, and enterprise architecture.

• Experience with TDD, unit and integration testing, and CI/CD pipelines.

Qualifications and education requirements

• Bachelor’s or Master's degree in Computer Science or related technical field.

• A senior-level software developer with strong and successful technical experience (7+ years of experience)

• Hands-on experience within agile software development methodologies in a multi-division processing company.

• Experience with Testing and CI; TDD, automated unit/functional/integration testing

• Strong understanding of Software Design Patterns and Enterprise Design Patterns, MS SQL Server skills or similar, especially in performance-related areas.

• Strong English language skills (oral and written)

Location:

• Be currently located in Hungary and legally authorized to work in Hungary.

• Be available to work in a hybrid model, attending our Vienna office two times per month.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.