Test Engineer jobs in o'fallon USA
20 test engineer jobs found in o'fallon: showing 1 - 20
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates... is for a Senior Software Engineer who will contribute to the design, development, validation, automation, and operability of highLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
Senior Software Engineer
Company: Mastercard |
around the world. Role As a Senior Software Engineer, you will: Design, develop, and maintain scalable test frameworks... potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology companyLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Jul 2026
Lead Software Engineer - Level 6
Company: ICONMA |
Our Client, a Credit Card Company, is looking for a Lead Software Engineer - Level 6 for their O FallonMO location... standards. Creates detailed technical artifacts, including requirements documents, design specifications, test plansLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Jul 2026
Senior Software Engineer
Company: Diverse Lynx |
Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10..., including development and/or test automation experience. Experience with complex Micro service, modern technology stackLocation: O'Fallon, MO, USA
| Salary: US$65 per hour | Date posted: 10 Jul 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates...? Are you agile with a desire to exhibit your skills at the cutting edge with a high standard for excellence? As a Senior EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 08 Jul 2026
Lead Software Engineer
Company: Mastercard |
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, reliableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Senior Software Engineer (java/jee)
Company: Diverse Lynx |
Senior Software Engineer (JAVA/JEE) Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Contract Rate - $65..., including development and/or test automation experience. Experience with complex Micro service, modern technology stackLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Jul 2026
Senior Software Engineer– Rpps Platform
Company: Mastercard |
potential. Title and Summary Senior Software Engineer RPPS Platform Who is Mastercard? Mastercard powers economies... Solutions organization is seeking a Senior Software Engineer to join the RPPS (Remote Payment and Presentment System) platformLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Jul 2026
Lead Software Engineer
Company: Mastercard |
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 platformLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Jul 2026
Senior Software Engineer
Company: Mastercard |
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 200Location: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Lead Site Reliability Engineer Overview The Mastercard Business Operations (BizOps...) organization is seeking a Lead BizOps Engineer to serve as a technical authority and operational architect across criticalLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Software Engineer Ii
Company: Mastercard |
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 globalLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 30 Jun 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Senior Software Engineer is an experiencedLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Jun 2026
Senior Software Engineer
Company: Mastercard |
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 EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 06 Jun 2026
Software Engineer Ii
Company: Mastercard |
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 IILocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 04 Jun 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... Technology Development team is seeking a Senior Software Engineer to drive innovation and enhance customer experience throughLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 27 May 2026
Senior Software Engineer
Company: Mastercard |
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 responsibleLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 27 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Lead Site Reliability Engineer Overview The Mastercard Business Operations (BizOps...) organization is seeking a Lead BizOps Engineer to serve as a technical authority and operational architect across criticalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 May 2026
Tool Design Engineer
Company: O'Fallon Casting |
, and you may not perform all these duties. Please be prepared to pass a drug test and successfully pass a pre-employment (postLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 May 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Customer Connectivity is a global Mastercard team... management, code signing, and key management. This Senior Software Engineer will be responsible for the component design