Senior .NET Developer WPF/MAUI

LocationHungary - Budapest
Work modehybrid
Typefull-time
SenioritySenior
Experience7+ yrs
Company size1,001–5,000 people
PostedOct 2, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
7+ years of experience as a senior-level software developer
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
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
Software Security Development principles
Strong understanding of OOP, design patterns, and enterprise architecture
Experience with TDD, unit and integration testing, and CI/CD pipelines
Bachelor’s or Master's degree in Computer Science or related technical field
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)
HTML, JavaScript, Angular 12+ is a plus
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
Skills
C#
.NET
WPF
MAUI
Xamarin
WCF
Web API
REST
MVC
HTML
JavaScript
Angular 12+
TDD
CI/CD
MS SQL Server
About the company
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:
About the 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.
Legal
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.