.Net Developer

Global Payment Holding Company; Atlanta (GA); On-site; MXN 900,000 - 1,500,000; Full time

Job summary

Global Payment Holding Company is seeking a Senior Software Engineer (.NET Full Stack) to design and deliver scalable enterprise applications, modern APIs, and robust data solutions in a fast-paced payments environment. You’ll contribute to reliable, high-performance platforms that power global commerce and partner integrations.

You will collaborate with cross-functional teams to implement API-driven architectures, ensure code quality through automated tests, and participate in CI/CD practices

Qualifications

• Extensive experience developing enterprise apps with C#, .NET Framework, .NET Core, and ASP.NET MVC.
• Strong SQL Server design, stored procedures, query optimization, and performance tuning.
• Experience building and consuming REST and SOAP APIs with Postman and Swagger.
• Solid understanding of data structures, algorithms, OOP, and unit testing.
• Excellent communication and collaboration in fluent English.

Responsibilities

• Design and deliver scalable enterprise applications using .NET Framework, .NET Core, and Angular that improve platform reliability, support business growth, and enhance the client experience.
• Drive API and microservices innovation by building secure, high-performing REST and SOAP services that enable seamless integration, increase system agility, and accelerate delivery of new capabilities.
• Optimize data performance and application quality through advanced SQL Server development, automated unit testing, and continuous improvement practices that reduce defects and improve system efficiency.
• Influence engineering excellence by championing coding standards, code reviews, and modern development practices that improve maintainability, scalability, and long-term platform success.
• Accelerate delivery outcomes by leveraging Git-based workflows, API testing tools, and continuous integration/continuous deployment (CI/CD) practices to increase deployment reliability and speed-to-market.

Skills

C#

.NET Framework

.NET Core

ASP.NET MVC

REST APIs

SOAP APIs

SQL Server

Unit testing

OOP design

English communication

Tools

Postman

Swagger

Octopus Deploy

Harness

SOAP UI

Job description

Ready to take your career global? Make your mark at one of the biggest names in payments. We\'re looking for a Senior Software Engineer (.NET Full Stack Developer) to join our ever-evolving Software Engineering Team and help shape the future of global commerce. In this role, you\'ll build and enhance mission-critical applications that power secure payment solutions used by businesses worldwide. Your expertise in .NET, microservices, APIs, and modern web technologies will directly influence the reliability, scalability, and performance of our platforms. You\'ll collaborate with talented engineers, architects, and business leaders to create innovative solutions that drive business growth, elevate client experiences, and advance Global Payments\' mission of delivering technology that moves money and commerce seamlessly around the world.

What you\'ll own

• Design and deliver scalable enterprise applications using .NET Framework, .NET Core, and Angular that improve platform reliability, support business growth, and enhance the client experience.
• Drive API and microservices innovation by building secure, high-performing REST and SOAP services that enable seamless integration, increase system agility, and accelerate delivery of new capabilities.
• Optimize data performance and application quality through advanced SQL Server development, automated unit testing, and continuous improvement practices that reduce defects and improve system efficiency.
• Influence engineering excellence by championing coding standards, code reviews, and modern development practices that improve maintainability, scalability, and long-term platform success.
• Accelerate delivery outcomes by leveraging Git-based workflows, API testing tools, and continuous integration/continuous deployment (CI/CD) practices to increase deployment reliability and speed-to-market.

What you\'ll bring

• Proven experience developing enterprise applications using C#, .NET Framework, .NET Core, and ASP.NET MVC in complex business environments.
• Strong expertise in Microsoft SQL Server , including database design, stored procedures, query optimization, and performance tuning.
• Demonstrated success building and consuming REST and SOAP APIs , with hands-on experience using tools such as Postman and Swagger for testing and documentation.
• Solid understanding of data structures, algorithms, object-oriented design, and unit testing methodologies , with the ability to create scalable and maintainable software solutions.
• Strong communication and collaboration skills, including the ability to work effectively with cross-functional teams and communicate complex technical concepts in fluent English.

It\'s a bonus if you have

• Experience building and supporting CI/CD (Continuous Integration/Continuous Deployment) pipelines using tools such as Octopus Deploy , Harness , or similar platforms.
• Experience with ETL (Extract, Transform, Load) processes and data integration solutions in enterprise environments.
• Experience using SOAP UI and automated API testing frameworks to improve software quality and release confidence.

About the team

Our inclusive and global teams win together every day. We\'re proud to have the best minds in the industry, who you can learn from as you grow your career. 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, and it\'s our passion that drives excellence in everything we set out to do.

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