find the right job for you in USA


Test Software Development Engineer jobs in o'fallon USA

17 test software development engineer jobs found in o'fallon: showing 1 - 17

Senior Software Engineer
Company: Diverse Lynx |

Location: O'Fallon, MO, USA

| Salary: US$65 per hour | Date posted: 11 Jul 2026
Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10... experience in a production environment Expert programming skills in Java/JEE Proficiency in Software Development Best Practices
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 08 Jul 2026
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates... software development lifecycle, proactively identifying and remediating security vulnerabilities. Design and implement
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
potential. Title and Summary Lead Software Engineer Overview: Mastercard's Global Credit Authorization team is seeking... a Lead Software Engineer (C/C++) to build and enhance high-performance, mission-critical systems that power secure, reliable
Senior Software Engineer (java/jee)
Company: Diverse Lynx |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Jul 2026
Senior Software Engineer (JAVA/JEE) Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Contract Rate - $65... experience in a production environment Expert programming skills in Java/JEE Proficiency in Software Development Best Practices
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 02 Jul 2026
Software Engineer, you will: Design, develop, test, deploy, and support scalable software solutions that power Mastercard... potential. Title and Summary Senior Software Engineer Who We Are Mastercard powers economies and empowers people in 200
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Jul 2026
potential. Title and Summary Lead Software Engineer Overview: The Mastercard Developer Workbench, part of the MSBX... companies build, test, and ship software. About the Role: - Serve as a technical lead for the Developer Workbench platform
Senior Software Engineer– Rpps Platform
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 02 Jul 2026
utilizes Java, Spring Boot, Angular, APIs, and automation-focused development work. Role As a Senior Software Engineer... potential. Title and Summary Senior Software Engineer RPPS Platform Who is Mastercard? Mastercard powers economies
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 29 Jun 2026
potential. Title and Summary Software Engineer II Overview: Mastercards Global Credit Authorization team is seeking... a Software Engineer II (C/C++) who is passionate about building high-performance, mission-critical systems that operate at global
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 18 Jun 2026
potential. Title and Summary Senior Software Engineer Senior Software Engineer About the Role As part of a fast-paced... software development lifecycle, including design, development, testing, deployment, configuration, and documentation
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 13 Jun 2026
software delivery tasks (code development, test, deployment, release, configuration and documentation) at an application... potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 Jun 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... secure, scalable, and high-performing software for Mastercards Identity Solutions platform. As a Senior Software Engineer
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 04 Jun 2026
potential. Title and Summary Software Engineer II Overview: We work to connect and power an inclusive, digital economy... on software that operates at global scale, where speed, reliability, and resilience matter every day. As a Software Engineer II
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
to production Contribute to test automation strategy and help simplify or automate aspects of software development and delivery... potential. Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a Software
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 27 May 2026
Technology Development team is seeking a Senior Software Engineer to drive innovation and enhance customer experience through... potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 27 May 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... transaction processing across global payment networks. Role As a Senior Software engineer, you will be responsible
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 May 2026
technical field or equivalent practical experience. Proficiency in Software Development Best Practices (TDD/BDD, Unit test... potential. Title and Summary Senior Software Engineer Overview Customer Connectivity is a global Mastercard team
Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 23 Apr 2026
, functional, and testable. - Contribute to all parts of the softwares development including design, development, test... potential. Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced