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Software Engineer, DevOps, Cloud Engineer - Software

Job in O'Fallon, St. Charles County, Missouri, 63366, USA
Listing for: Mastercard Colombia, Inc.
Full Time position
Listed on 2026-10-13
Job specializations:
  • Software Development
    Software Engineer, DevOps, Cloud Engineer - Software, Backend Developer
Salary/Wage Range or Industry Benchmark: 72000 - 115000 USD Yearly USD 72000.00 115000.00 YEAR
Job Description & How to Apply Below
Position: Software Engineer I
Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title

and Summary

Software Engineer I

Who is Mastercard?

We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respect their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results.

About the Role

We are looking for a motivated Software Engineer to develop, test, maintain, and support secure, reliable, high-performing, and scalable software applications. You will work alongside experienced engineers and cross-functional teams while building expertise in modern application development, software design, cloud technologies, automated testing, performance optimization, Dev Ops, and engineering best practices.

In this role, you will contribute throughout the software development lifecycle, helping translate business and technical requirements into well-designed software solutions while learning architectural principles that support scalable, maintainable, and secure systems.

Role
  • Develop, test, maintain, and support software applications and services with guidance from experienced engineers.
  • Write clean, maintainable, reusable, and secure code following established engineering standards, software design principles, and best practices.
  • Participate in software design activities by translating functional and non-functional requirements into scalable, maintainable, and secure software components and services.
  • Contribute to the implementation of established software architecture patterns and system designs while gaining experience with scalability, reliability, security, and long-term maintainability considerations.
  • Develop and maintain unit, functional, and integration tests to ensure software quality, reliability, and correct system behavior.
  • Apply knowledge of data structures, algorithms, and software engineering fundamentals to develop efficient and scalable software solutions.
  • Participate in code reviews and incorporate feedback to improve code quality, maintainability, and engineering practices.
  • Contribute to APIs, microservices, distributed applications, and event-driven solutions.
  • Apply secure coding practices and security-by-design principles throughout the software development lifecycle.
  • Collaborate with Product, QA, Architecture, Security, Dev Ops, and Operations teams to deliver software solutions that meet business and technical requirements.
  • Support cloud-based applications and services while assisting with monitoring, troubleshooting, root cause analysis, and issue resolution.
  • Assist in monitoring, analyzing, and optimizing application performance, scalability, and resource utilization to meet business and operational requirements.
  • Contribute to CI/CD, automation, observability, reliability, performance, and…
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