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Testing jobs in o'fallon USA

67 testing jobs found in o'fallon: showing 51 - 67

Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 May 2026
or entrylevel engineer who contributes to the design, development, testing, and maintenance of software solutions under the... software components. Contribute to the design, development, testing, and implementation of software solutions under guidance
Senior Analyst, Internal Audit Data And Enablement
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$88000 - 141000 per year | Date posted: 06 May 2026
for translating audit needs into technical solutions, overseeing testing and implementation, and supporting adoption across the... Audit Department and the development team ensuring shared understanding and alignment Lead user acceptance testing (UAT
Software Development Engineer In Test (sdet) Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 05 May 2026
, you will apply your software development expertise to design and execute robust testing strategies for complex, highthroughput systems... functional, integration, and User Acceptance Testing (UAT) test cases. Validate system behavior by analyzing application traces
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 May 2026
to produce detailed design Design with future extension in mind Perform functional and performance testing of solutions Ensure
Qualified Medication Aide (qma)
Company: Capital Senior Living |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 May 2026
between meals Maintains patient stability by checking vital signs and weight; testing urine; recording intake and output
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
or entrylevel engineer who contributes to the design, development, testing, and maintenance of software solutions under the... software components. Contribute to the design, development, testing, and implementation of software solutions under guidance
Lead Software Development Engineer In Test (lead Sdet)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
expertise with leadership to define and scale testing strategies for complex, high-throughput systems. You will play a pivotal..., integration, and User Acceptance Testing (UAT) strategies across the platform. Own end-to-end quality outcomes for key
Physical Therapist (pt)
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Apr 2026
. Incorporates appropriate standardized testing, required NTR standardized outcome measures, NTR functional neuro evaluation
Senior Medical Assistant - Infectious Disease
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 24 Apr 2026
role model in a functional area within a practice, such as lab testing, OSHA/CLIA compliance, electronic health record..., electrocardiography (EKGs), point-of-care testing and injections. Triage calls, provide test and lab results to patients and present
Commercial Data Integration Platform - Lead Developer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Apr 2026
best practices, including code quality, testing standards, and operational excellence across the development lifecycle Support
Director, Controller, Technology
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 Apr 2026
of AI-enabled tools for close acceleration, reconciliations, flux analysis, and control testing. - Manage and develop team
Lead Product Manager- Technical - Ci/cd Infra & Scm
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 Apr 2026
from source code management and CI/CD automation to testing frameworks, developer portals, and cloud infrastructure. DevFlow... from commit to production: source control, branching strategies, continuous integration, automated testing, artifact management
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 08 Apr 2026
best practices, including code quality, automated testing, CI/CD, and operational readiness. Participate actively in agile
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
in unit testing and familiarity with mocking frameworks like JUnit Capability to identify and analyze user requirements
Lead Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
techniques and artifacts (such as definition of done, user stories, automated testing, backlog refinement) Experience
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 27 Mar 2026
performance engineering team that partners with development teams on optimization and testing. We are looking for an experienced
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 26 Mar 2026
development, testing, and deployment Deliver assigned work with quality and timeliness, demonstrating self sufficiency