Test Engineer jobs in o'fallon USA
26 test engineer jobs found in o'fallon: showing 1 - 26
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview The ABU team enables issuers and acquirers to securely.... We are modernizing the ABU platform and looking for a Senior Software Engineer to build and enhance highly available, distributed systemsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Sep 2026
Software Engineer I
Company: Mastercard |
potential. Title and Summary Software Engineer I Overview The Software Development Engineer is an early-career software... engineer specializing in Java development with a focus on building microservices that support Mastercard's high-throughput, lowLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 14 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercard is a global technology company in the payments... a Senior Software Engineer to design, build, and enhance software applications and developer-facing experiences that empowerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 12 Sep 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 anchor on the team setting the barLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercard's Core Payments engineering teams build... Stack Software Engineer will contribute to mission-critical solutions that support Foreign Exchange rate settingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 11 Sep 2026
Data Engineer Ii
Company: Mastercard |
potential. Title and Summary Data Engineer II Overview: Mastercards Enterprise Credit Risk (ECR) team is seeking a Data... Engineer II to design, build, and maintain data platforms and products that support credit decisioning, risk analyticsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 11 Sep 2026
Senior Ai Engineer
Company: Mastercard |
potential. Title and Summary Senior AI Engineer Role Overview The Senior AI Engineer is responsible for designing... Compliance (TRMC), the Senior AI Engineer will partner with business, risk, compliance, and technology teams to identifyLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Senior Software Engineer
Company: Mastercard |
to build, test, and deploy software more efficiently. As a Senior Software Engineer, you will contribute to the design... potential. Title and Summary Senior Software Engineer Overview Next Edge represents the next phase of Mastercard's CoreLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Lead Software Integration Engineer (release Management) – Hr Platforms
Company: Mastercard |
potential. Title and Summary Lead Software Integration Engineer (Release Management) HR Platforms The Lead Software... Integration Engineer is responsible for enabling reliable, secure, and scalable integrations across HR platforms (includingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Overview: Mastercards Enterprise Credit Risk (ECR) team... is seeking a talented Senior Software Engineer Java Full Stack to design, build, and modernize applications that power creditLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Mechanical Design Engineer
Company: Actalent |
Mechanical Design Engineer (Associate & Experienced) Location: O'Fallon, Missouri Business Unit: Defense... as the team grows) Position Summary The Defense Electronics Group is seeking both an Associate Mechanical Design EngineerLocation: O'Fallon, MO, USA
| Salary: US$55 - 67 per hour | Date posted: 01 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive.... As a Software Engineer, you will deliver these products and solutions with speed and agility as part of a small teamLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Aug 2026
Technical Lead - Java Full Stack Engineer
Company: Artech Information Systems |
Requisition ID: 107880 -1 Title: Technical Lead - Java full stack Engineer Duration: 6-12 months..., including development and/or test automation experience. Experience with complex Micro service, modern technology stackLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 Aug 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview Who is Mastercard? Mastercard is a global technology company... development, design and test automation practices, and an obsession over security, reliability, and performance to deliverLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 26 Aug 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Who is Mastercard Mastercard is a global technology company in the.... About the Role We are hiring a Software Engineer II to join Mastercard's Core Payments department, responsible for deliveringLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 26 Aug 2026
Devops Sre Engineer
Company: Wipro |
Jobs Job Description Apply now Start Please wait... Job Title: DEVOPS SRE ENGINEER City: O Fallon State/Province: Missouri Posting Start Date: 8... information, visit us at www.wipro.com. Job Description: Job Description A DevOps & SRE Engineer bridges developmentLocation: O'Fallon, MO, USA
| Salary: US$45000 - 121000 per year | Date posted: 24 Aug 2026
Devops Sre Engineer
Company: Wipro |
Jobs Job Description Apply now Start Please wait... Job Title: DEVOPS SRE ENGINEER City: O Fallon State/Province: Missouri Posting Start Date: 8... information, visit us at www.wipro.com. Job Description: Job Description A DevOps & SRE Engineer bridges developmentLocation: O'Fallon, MO, USA
| Salary: US$45000 - 121000 per year | Date posted: 23 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Job Overview: Responsible for the analysis, design, development... adhering to Mastercard standards, processes, and best practices. Develop, customize, and test applications to integrateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... for all. About the Role The Payment & Enablement Optimization program is hiring a Senior Software Engineer to drive our customerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive.... As a Software Engineer, you will deliver these products and solutions with speed and agility as part of a small teamLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 04 Aug 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer... for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scaleLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer... for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scaleLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineer... analytical and troubleshooting skills. Exposure to CI/CD and Test-Driven Development practices. Experience or exposureLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Jul 2026
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: 17 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, reliable