Test Software Development Engineer jobs in o'fallon USA
21 test software development engineer jobs found in o'fallon: showing 1 - 21
Agentic Ai Engineer
Company: Akkodis |
development environments. Required Qualifications: Bachelor's degree in computer science, Information Technology, Software...Akkodis is seeking an Agentic AI Engineer for a Contract with a client in O Fallon, MO. The ideal candidateLocation: O'Fallon, MO, USA
| Salary: US$45 - 49 per hour | Date posted: 18 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Job Overview: Responsible for the analysis, design, development... of software design, architecture, data structures, secure development practices, testing, and performance optimization. StrongLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Senior Software Engineer
Company: Mastercard |
Software Engineering & Development Design, build, test, deploy, and maintain software components, automation 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: 14 Aug 2026
Software Engineer Ii
Company: Mastercard |
customers. Role: As a Software Engineer II at Mastercard, you will contribute to the design, development, testing, deployment... potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in theLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 11 Aug 2026
Lead Software Engineer
Company: Mastercard |
with organizational standards and engineering best practices. Software Development & Engineering Excellence -Design, develop, test... potential. Title and Summary Lead Software Engineer Overview Mastercard is seeking a Lead Software Engineer to serveLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 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
Software Engineer Ii - Decision Management Program
Company: Mastercard |
, and customer engagement products. As a Software Engineer II, you will contribute to the design, development, testing, deployment... expertise. What You'll Do Software Development Design, develop, test, and maintain Java/Spring Boot microservices. DesignLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 31 Jul 2026
Software Engineer Java
Company: Korn Ferry |
transactions regardless of channel. Responsibilities: The Software Development Engineer is a hands-on developer specializing...) Practitioner of Test Driven Development Exposure to Continuous Delivery and Integration Agile Scrum experience EducationLocation: O'Fallon, MO, USA
| Salary: US$60 - 75 per hour | Date posted: 29 Jul 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: ICONMA |
Our Client, a Credit Card company, is looking for a Software Engineer II for their O'Fallon, MO/Hybrid location.... Exposure to building cloud ready applications (microservices) Practitioner of Test Driven Development Exposure to ContinuousLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Lead Software Engineer (c/c++)
Company: Mastercard |
potential. Title and Summary Lead Software Engineer (C/C++) Overview This is an exciting opportunity.... We are looking for engineers that are passionate about design and development with constant focus on quality. Responsibilities PartnerLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 Jul 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineer... and scalability concepts. Understanding of secure software development practices. Experience participating in code reviews. StrongLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Jul 2026
Senior Software Engineer
Company: Mastercard |
is for a Senior Software Engineer who will contribute to the design, development, validation, automation, and operability of high... potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group createsLocation: 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..., sprint planning, and design discussions Responsibilities Software Engineering & Development Design, build, testLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 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
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: 02 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... 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
Senior Software Engineer
Company: Mastercard |
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 theLocation: 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 responsible