Software Engineer III at tsys – CHENGDU | Jobyssey

Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 million companies, more than 1,300 financial institutions and over 600 million cardholders grow with confidence and achieve amazing results. We are driven by our passion for success and we are proud to deliver best-in-class payment technology and software solutions. Join our dynamic team and make your mark on the payments technology landscape of tomorrow.

Ready to take your career global?
Make your mark at one of the biggest names in payments. We’re looking for a Software Engineer (.NET) to join our ever-evolving technology team and help build, enhance, and modernize enterprise business applications that power global commerce.

What you’ll own

Design, develop, test, deploy, and maintain enterprise-level business systems using C#, .NET Framework, and modern .NET technologies.
Build and support scalable backend services, RESTful APIs, Web Services, WCF services, and system integration solutions to meet business and customer requirements.
Develop and optimize SQL Server databases, including schema design, stored procedures, performance tuning, and data management.
Collaborate with cross-functional teams, including Product, QA, and Engineering, to deliver high-quality software solutions in an Agile environment.
Investigate and resolve system issues related to performance, stability, security, and scalability while contributing to technical documentation, code reviews, and continuous improvement initiatives.

What you’ll bring

Bachelor’s degree or above in Computer Science, Software Engineering, or a related discipline.
Proven experience developing enterprise applications using C#, .NET Framework, .NET Core, or modern .NET technologies.
Strong experience designing and integrating Web Services, WCF, SOAP, RESTful APIs, and service-oriented architectures.
Solid expertise with Microsoft SQL Server, including database design, indexing, stored procedures, transactions, query optimization, and performance tuning.
Strong understanding of object-oriented programming (OOP), design patterns, software architecture principles, and best development practices.
Experience working with Git and collaborative software development workflows.
Familiarity with modern front-end technologies such as JavaScript, TypeScript, React, Vue, Angular, or strong proficiency in HTML, CSS, and JavaScript.
Strong analytical, troubleshooting, and problem-solving skills with the ability to quickly understand complex systems and codebases.
Excellent communication skills, accountability, and a strong sense of ownership.

It’s a bonus if you have

Experience developing or supporting enterprise platforms in Retail, Restaurant, ERP, CRM, POS, or related industries.
Hands-on experience with ASP.NET MVC, ASP.NET Core, Entity Framework, Dapper, or other ORM frameworks.
Experience optimizing SQL Server performance in large-scale or high-concurrency environments.
Knowledge of IIS, Windows Server, Docker, CI/CD pipelines, Azure, AWS, or other cloud and DevOps technologies.
Experience modernizing legacy applications, including .NET Framework migration, WCF service transformation, and integration platform enhancement.
Ability to read and understand English technical documentation.
A mindset that reflects our values:
- Think like a client: Understand business needs and deliver reliable, scalable solutions that create meaningful customer outcomes.
- Act like an owner: Take accountability for quality, continuously improve systems, and drive solutions proactively.
- Win as one team: Collaborate effectively across teams, share knowledge, and contribute to collective success.

About the team

Our inclusive and global teams win together every day. We’re proud to have some of the best engineering talent in the industry, working together to build innovative solutions that support businesses around the world. You’ll collaborate with talented developers, architects, product managers, and quality engineers while gaining exposure to large-scale enterprise systems and modern technology platforms. The people, the energy, the connections, it’s unmatched.

Come and be part of an ever-evolving company and get dynamic opportunities that go beyond borders.

What makes a Globalpayer?

Globalpayers think like a client, act like an owner, and win as one team. We’re curious and innovative, always finding better ways to deliver impact. We empower each other to make decisions, embrace diverse perspectives, and strive for excellence in everything we do.

*Does this sound like you? Then you sound like a Globalpayer. Apply now to take your career global.

Global Payments Inc. is an equal opportunity employer. Global Payments provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex (including pregnancy), national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information or any other basis protected by law. If you wish to request reasonable accommodations related to applying for employment or provide feedback about the accessibility of this website, please contact [email protected].

Software Engineer III

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