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. WELCOME TO THE FUTURE OF COMMERCE About Shift4 Shift4 (NYSE: FOUR) powers the experience economy, enabling businesses to deliver the moments that matter. Transforming how people shop, dine, stay, and play, Shift4’s commerce technology allows for a seamless experience at any scale. From your neighborhood restaurant to the world’s largest event venues, Shift4 handles billions of transactions annually for hundreds of thousands of businesses around the world. For more information, visit shift4.com. About Global Blue Global Blue by Shift4 is the industry leader in Tax Free Shopping solutions, simplifying the tax refund process for international travelers and driving revenue for retailers through a fully integrated commerce experience. As a business partner for the shopping journey, we seamlessly connect shoppers and brands worldwide, powering over 40 million transactions each year. For more information, please visit globalblue.com and shift4.com. A Global Leader in Financial Technology 75+ Countries $300+ Billion Processed Annually 300,000+ Customers 1,200+ Technology Integrations 5+ Billion Annual Transactions 100+ Payment Methods Shift4's experienced senior leadership team helps us push the boundaries of commerce innovation. Meet the Executive Team Shift4Cares We take corporate social responsibility seriously and strive to make a positive impact on the world around us. The Shift4 team is committed to making a difference in our local communities through volunteerism and other charitable contributions. Join Our Team Our people are our greatest asset, and we’re always looking for driven and innovative individuals to join our fast-growing team. Click on the link above to learn more about our company culture and view open positions.

Senior .NET Developer WPF/MAUI.

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