Test Software Development Engineer jobs in o'fallon USA
33 test software development engineer jobs found in o'fallon: showing 1 - 33
Senior, Software Engineer
Company: Mastercard |
. Incorporate test automation and regression testing into the software development lifecycle to support code quality and reliable... development. Experience incorporating test automation into CI/CD and software delivery practices to improve quality and releaseLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 21 Oct 2026
Senior Software Integration Engineer - Workday Integrations And Extend
Company: Mastercard |
potential. Title and Summary Senior Software Integration Engineer - Workday Integrations and Extend Overview The P&C... to find the right solution together? As a Senior Software Integration Engineer, you'll be a hands-on builder on our WorkdayLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 21 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role The Authentication Program develops and operates... that protects billions of digital payment interactions globally. We are hiring a Software Engineer II to join Mastercard's CoreLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 20 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Senior Software Engineer with strong expertise in Golang, cloud-native applicationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Senior Software Engineer with strong expertise in Golang, cloud-native applicationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Oct 2026
Lead Software Development Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Development Engineer Overview Mastercard is a global technology company... a highly skilled Lead Software Engineer to drive architecture, design, development, modernization, and operational excellenceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Oct 2026
Senior Software Engineer - Java Full Stack & Ai
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Full Stack & AI Overview The Decision Services Technology.... As a Senior Software Engineer, you will independently deliver complex solutions, influence technical design decisions, and helpLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Oct 2026
Software Engineer Ii
Company: Mastercard |
for high performance and availability. As a Software Engineer II, you will develop, test, deploy, and support applications.... What Youll Do Software Development Design, build, test, deploy, and maintain Java-based applications and services. TranslateLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 14 Oct 2026
Senior Software Engineer
Company: Mastercard |
. As a Senior Software Engineer, you will design, build, test, deploy, and support full-stack solutions that power these... while helping advance technical excellence and operational maturity. What You'll Do Software Development Design, develop, testLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Oct 2026
Senior Software Engineer - Java Full Stack & Ai
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Full Stack & AI Overview The Decision Services Technology.... As a Senior Software Engineer, you will independently deliver complex solutions, influence technical design decisions, and helpLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role The Mastercard Operational Intelligence Program... global marketplace. We are currently seeking a Software Engineer II to join the Mastercard Operational Reports NexGenLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 13 Oct 2026
Senior Information Security Engineer
Company: Mastercard |
potential. Title and Summary Senior Information Security Engineer Who is Mastercard? Mastercard is a global technology... for all. Overview As an Information Security Engineer AI Security Operations, you will be at the forefront of protecting theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Software Engineer I
Company: Mastercard |
. As a Software Engineer I, you will collaborate with engineers and product partners to build, test, and enhance solutions... potential. Title and Summary Software Engineer I About the Role Join Mastercards Transaction Stream team in OFallonLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 08 Oct 2026
Software Engineer I
Company: Mastercard |
, and delivers better business results. About the Role We are looking for a motivated Software Engineer to develop, test... potential. Title and Summary Software Engineer I Who is Mastercard? We work to connect and power an inclusive, digitalLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 06 Oct 2026
Principal Engineer (architecture)
Company: Mastercard |
for all. Overview The MDES team is looking for a Technical Architect (Principal, Software Development Engineer) who can lead... is the one who is passionate about leading software development, driving engineering practices & technically mentoring teamLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 06 Oct 2026
Software Engineer Ii
Company: Mastercard |
a Software Engineer II to contribute to the design, development, testing, deployment, and operational excellence of software... Software engineer first, with a passion for quality and automation. Brings a strong foundation in Java development and modernLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 Oct 2026
Senior Java Fullstack Engineer
Company: ICONMA |
and roadblocks as they occur. Contributes to the development and maintenance of high-quality, scalable software solutions...Our client, a Credit Card Company, is looking for a Senior Java Fullstack Engineer for their O Fallon, MO/HybridLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Sep 2026
Software Engineer Ii – Notification Manager
Company: Mastercard |
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 microservicesLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Senior Software Engineer
Company: Mastercard |
all about and what we expect you to do day to day Own software delivery tasks (code development, test, deployment, release, configuration... as code and cloud-first software development knowledge experience preferred. Has skills in test driven and behavior drivenLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Mastercard's Core Payments organization is seeking a Software Engineer... II to contribute to the design, development, testing, deployment, and support of secure, scalable, and reliable softwareLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Lead Software Engineer that possesses strong experience with Golang with strongLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Sep 2026
Software Engineer Ii
Company: Mastercard |
to build production-ready AI-enabled applications. Key Responsibilities Software Development Design, develop, test... potential. Title and Summary Software Engineer II The Core Payments department is hiring a highly motivated SoftwareLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 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: 18 Sep 2026
Senior Software Engineer
Company: Mastercard |
excellence, throughout the software development lifecycle. As a Senior Software Engineer, you will develop software... potential. Title and Summary Senior Software Engineer This role is part of the Software Engineering team within MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 18 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Mastercard Digital Enablement Services (MDES) is seeking a Software... Engineer II to join our Quality Engineering team. In this role, you will contribute to the design, development, automationLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 17 Sep 2026
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
Senior Software Engineer
Company: Mastercard |
patterns. Strong understanding of software quality principles, test strategy development, and automation frameworks... potential. Title and Summary Senior Software Engineer Overview Mastercard's Core Payments engineering teams buildLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 11 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 |
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) – Workday & Hr Platforms
Company: Mastercard |
potential. Title and Summary Lead Software Integration Engineer (Release Management) Workday & HR Platforms The Lead... Software Integration Engineer is responsible for enabling reliable, secure, and scalable integrations across HR platformsLocation: 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: 31 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: 28 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. Strong