Test Engineer jobs in o'fallon USA
18 test engineer jobs found in o'fallon: showing 1 - 18
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Senior Software Engineer About the Role As part of a fast-paced..., testing, automation, performance, operability, and continuous improvement. Role -Design, build, test, deploy, and maintainLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 19 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: 12 Jun 2026
Exploitation Specialist/gdat Software Engineer
Company: Leidos |
Description Leidos has an exciting opportunity for an Exploitation Specialist/GDAT Software Engineer to join our team... of Software Test Engineering experience. Active TS/SCI clearance with eligibility for CI Poly approval. PreferredLocation: O'Fallon, MO, USA
| Salary: US$73450 - 132775 per year | Date posted: 11 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... is central to this strategy. We are looking for a lead software engineer to implement large scale distributed systems basedLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 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 Who is Mastercard? We work to connect and power an inclusive, digital... and governments. As a Software Engineer, you will develop these products and solutions with speed and agility as part of a small teamLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 05 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
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a Software... Engineer II to help drive our software delivery strategy forward by building secure, reliable, and scalable cloud-nativeLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
Senior Firmware Engineer
Company: True Manufacturing |
, all the way up to complex RTOS based cellular modems. The Senior Firmware Engineer is responsible for the development... and maintenance of embedded firmware ranging from 8-bit systems to 32-bit RTOS designs. As a Senior Firmware Engineer, it is expectedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 May 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: 28 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
Software Development Engineer In Test (sdet) Ii
Company: Mastercard |
potential. Title and Summary Software Development Engineer in Test (SDET) II Overview: Mastercards Global Credit Card... Authorization team is seeking a Software Development Engineer in Test (SDET) II to help ensure the quality, resilienceLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 05 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
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 designLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | 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
Lead Software Development Engineer In Test (lead Sdet)
Company: Mastercard |
potential. Title and Summary Lead Software Development Engineer in Test (Lead SDET) Overview: Mastercards Global Credit... Card Authorization team is seeking a Lead Software Development Engineer in Test (Lead SDET) to drive quality engineeringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Apr 2026
Software Engineer
Company: Mastercard |
potential. Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced... Engineer II to drive our customer experience strategy forward by consistently innovating and problem-solving. The idealLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 23 Apr 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... team in OFallon, Missouri and will partner with the development teams to performance test and tune each release