Testing jobs in o'fallon USA
81 testing jobs found in o'fallon: showing 1 - 50
Vice President, Software Engineering
Company: Mastercard |
, development, testing, deployment, and operational readiness. Promote best practices in secure software development, code quality... through robust testing, automation, and validation practices. Ensure software solutions meet requirements for reliabilityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Senior Software Engineer
Company: Mastercard |
across Engineering, Architecture, Product Management, Testing, Release Management, and Application Support to deliver quality solutionsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Sep 2026
Senior Java Developer
Company: Apptad |
management Unit testing using JUnit and Mockito Application servers: JBoss and/or Apache Tomcat Version control using GitLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 14 Sep 2026
Software Engineer I
Company: Mastercard |
while contributing to the development, testing, deployment, and support of business-critical applications. What You Will Do Develop... software quality and reliability. Participate in functional and integration testing activities across applicationsLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 14 Sep 2026
Sre Engineer
Company: Wipro |
queries, ad hoc testing, verification, and validation etc., from regional product team and customer support teams. Reporting... UAT testing by the Product team and regional customer support team. Configuring application/artifacts and supporting theLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 13 Sep 2026
Sre Engineer
Company: Wipro |
queries, ad hoc testing, verification, and validation etc., from regional product team and customer support teams. Reporting... UAT testing by the Product team and regional customer support team. Configuring application/artifacts and supporting theLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 12 Sep 2026
Senior Software Engineer
Company: Mastercard |
into actionable insights for software development teams. Testing Strategy & Quality Engineering Define and implement... comprehensive testing strategies, including: Unit testing Integration testing Functional/end-to-end testing Embed automatedLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 12 Sep 2026
Director, Technology Finance & Fp&a
Company: HireVenture |
. Support compliance with Enterprise Risk Management and internal-control requirements. Participate in control testing whenLocation: O'Fallon, MO, USA
| Salary: US$150000 - 160000 per year | Date posted: 12 Sep 2026
Family Nurse Practitioner - Primary Care
Company: A-Line Staffing Solutions |
examinations Conduct womens health evaluations including pregnancy testing and STI screening; refer to OB/GYN for specializedLocation: O'Fallon, MO, USA
| Salary: US$75 per hour | Date posted: 11 Sep 2026
Senior Medical Assistant - Infectious Disease
Company: BJC HealthCare |
as an experienced 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 presentLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Sep 2026
Lpn Non Iv Cert – Family Medicine
Company: BJC HealthCare |
medications in-office, performing point of care lab testing, assisting with procedures and triaging patient phone calls... of equipment and/or instruments. Performs clinical skills, such as phlebotomy, EKGs, point of care testing and medicationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Sep 2026
Senior Software Engineer
Company: Mastercard |
and deliver new features, strengthen automated testing practices, and improve the efficiency, quality, and stability of systems..., and automated integration testing while staying curious, collaborative, and quick to respond when something breaksLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 11 Sep 2026
Data Engineer Ii
Company: Mastercard |
. Implement data validation, testing, and quality controls to ensure data accuracy, consistency, and reliability. Support the.... Understanding of data testing, validation, and quality practices to ensure accuracy and consistency across data pipelines. StrongLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 11 Sep 2026
Lifeguard-o'fallon Mo
Company: YMCA |
chemical testing when not guarding, as required, and takes appropriate action. The YMCA Welcomes a Diverse Workforce EqualLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 10 Sep 2026
Pharmacy Technician
Company: CVS Health |
(e.g., immunizations, point-of-care testing, and voluntarily staffing offsite clinics), where allowable by lawLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 10 Sep 2026
Manager, Business Analysis
Company: Mastercard |
through billing. - Ensures development objectives are accomplished, user testing is performed and communication to customersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 10 Sep 2026
Senior Ai Engineer
Company: Mastercard |
, testing, refinement, retraining, and continuous performance improvements. Execute model evaluation processes using... MLOps practices that support the complete AI lifecycle, including automated testing, deployment pipelines, model versioningLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Senior Software Engineer
Company: Mastercard |
environments. -Commitment to automated testing, code quality, and continuous improvement throughout the software developmentLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Facility Compliance Analyst (multi-site)
Company: C3 Industries |
tracking systems, including METRC, for inventory accuracy, user permissions, transfers, adjustments, testing activity... on compliance expectations, recordkeeping, METRC responsibilities, testing activities, and implementation of approved proceduresLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Sep 2026
Technology Risk Analyst I, Launch Program 2027 – St. Louis, Mo, Us
Company: Mastercard |
and obligations, evidence gathering, control testing, and continuous control monitoring to improve the efficiency and reliabilityLocation: O'Fallon, MO, USA
| Salary: US$70000 per year | Date posted: 09 Sep 2026
Director, Settlement Operations Risks & Controls
Company: Mastercard |
in identifying operational risks across payment operations, including process design, control testing effectiveness, issue managementLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Sep 2026
Account Manager
Company: Rent A Center |
, color, national origin, ancestry, physical or mental disability, genetic information (including testing and characteristicsLocation: O'Fallon, MO, USA
| Salary: US$15.17 - 17.85 per hour | Date posted: 08 Sep 2026
Deposit Operations Specialist
Company: Midland States Bank |
, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please directLocation: O'Fallon, MO, USA
| Salary: US$18.5 - 21 per hour | Date posted: 07 Sep 2026
Principal, Ai Security Engineer
Company: Mastercard |
. Lead complex security assessments, red team exercises, and penetration testing initiatives focused on AI models, AI agentsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Sep 2026
Lead Software Integration Engineer (release Management) – Hr Platforms
Company: Mastercard |
of software development lifecycle practices, integration architecture, API-based services, testing strategies, and production... managing risks and ensuring continuity of service throughout the release lifecycle. Integration Testing & Quality AssuranceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Sep 2026
Sr. Cardiac Sonographer
Company: BJC HealthCare |
(TEE), Stress Testing, Routine Stress Test, Stress Echocardiogram, Dobutamine Stress Echocardiogram, Exercise Nuclear... Qualifications Role Purpose Performs a variety of cardiac testing, including treadmill stress testing, holter monitoringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 Sep 2026
Sr. Cardiac Sonographer
Company: BJC HealthCare |
(TEE), Stress Testing, Routine Stress Test, Stress Echocardiogram, Dobutamine Stress Echocardiogram, Exercise Nuclear... Qualifications Role Purpose Performs a variety of cardiac testing, including treadmill stress testing, holter monitoringLocation: O'Fallon, MO, USA
| Salary: US$41.47 - 66.45 per hour | Date posted: 04 Sep 2026
Sr. Cardiac Sonographer
Company: BJC HealthCare |
with or without Doppler, Transesophageal Echo (TEE), Stress Testing, Routine Stress Test, Stress Echocardiogram, Dobutamine Stress..., and choices. Preferred Qualifications Role Purpose Performs a variety of cardiac testing, including treadmill stress testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
Senior Full Stack Software Engineer
Company: Mastercard |
, software design, architecture, testing, and delivery. -Create RESTful APIs and integrations that connect data catalog tools... automation, stability testing, and performance monitoring. -Implement unit, functional, and integration testing to supportLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Sep 2026
Mechanical Design Engineer
Company: Schneider Electric |
as required. Ability to participate in site visits, product testing, and customer engagements. Let Us LearnLocation: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 02 Sep 2026
Lead Data Engineer
Company: Mastercard |
engineering standards and best practices across coding, testing, data quality, deployment automation, documentation... knowledge of CI/CD, infrastructure-as-code, automated testing, Git/GitHub, and DevOps practices for data engineeringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
productivity. Apply strong software engineering practices, including object-oriented design, design patterns, automated testing... of software quality practices, including automated testing, code reviews, CI/CD, source control, and secure software developmentLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Mechanical Design Engineer
Company: Actalent |
systems. These positions will play a key role in the design, development, integration, testing, and production support..., tolerance studies, and engineering trade-off evaluations. Support prototype builds, testing, qualification activitiesLocation: O'Fallon, MO, USA
| Salary: US$55 - 67 per hour | Date posted: 01 Sep 2026
Senior Software Engineer
Company: Mastercard |
, customer experience, testing, and simplification) Strong understanding of software design, software architecture, dataLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Aug 2026
Medical Assistant - Women's Health
Company: Mercy |
medical and medication histories. Assist providers during examinations and procedures. Perform basic diagnostic testing..., including urine dipstick testing, glucose testing, and EKGs, as deemed competent. Accurately document patient care and clinicalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Aug 2026
Software Engineer Ii
Company: Mastercard |
delivery including solution design, development, testing, deployment, and production support while adhering to engineering.... Own end-to-end delivery including solution design, development, testing, deployment, configuration, documentationLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Aug 2026
Network Architect Ii
Company: Stellar IT Solutions |
gathering, design review, configuration standards, testing, implementation, and post-implementation support. Define, documentLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 Aug 2026
2nd Shift Maintenance Technician
Company: O'Fallon Casting |
Tools & Equipment UsedMechanic hand tools Welding torches and cutting equipment Electrical meters and testing equipment AirLocation: O'Fallon, MO, USA
| Salary: US$41.25 per hour | Date posted: 26 Aug 2026
Software Engineer Ii
Company: Mastercard |
solutions that delight our customers. We're looking for talented Software Testing Engineers to design and develop regression..., testing, deployment, and release automation processes. Be an integral part of Agile SAFe discovery, elaboration, sprintLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 26 Aug 2026
Software Engineer Ii
Company: Mastercard |
considerations. Collaborate with team members to improve system resiliency and production stability. Testing & Quality... requirements are met. Support continuous integration and deployment practices through automated testing and quality validationLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 26 Aug 2026
Senior Ai Platform Engineer (devops)
Company: Mastercard |
best practices through Infrastructure as Code, CI/CD, testing, and operational excellence initiatives. ParticipateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 25 Aug 2026
Manager, Software Engineering
Company: Mastercard |
best practices across teams. Experience with performance testing and optimization, automated testing frameworks, and troubleshootingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Aug 2026
Principal Software Engineer
Company: Mastercard |
, testing, code review, and release. Evaluate emerging AI capabilities and turn them into reusable patterns and reference..., including CI/CD, automation, cloud-native architecture, testing, and developer tooling. Practical, current commandLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Aug 2026
Equipment Associate
Company: United Rentals |
cosmetic repairs and decal work, including testing office power and plumbing use safe work and lock-out/tag-out proceduresLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Aug 2026
Senior Business Analyst
Company: Mastercard |
, controls, automations, integrations, and modernization efforts from intake through design, build, testing, implementation... testing, test planning, defect triage, release readiness, production validation, and implementation support for assignedLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 22 Aug 2026
Vice President Platform Engineering
Company: Mastercard |
engineering standards covering development practices, code quality, testing, performance engineering, API architecturesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 Aug 2026
Senior Software Engineer
Company: Mastercard |
, SLOs, Error Budgets, and production readiness reviews. Automate deployments, testing, monitoring, and operational..., software design principles, code reviews, secure coding practices, and automated testing (unit, functional, and integrationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 19 Aug 2026
Medical Assistant - Training Provided
Company: Eyecare Partners |
: Facilitate patient flow Assist the doctor in preliminary testing Verify medical and vision insurances Effectively communicate... member is able to handle a wide range of duties while using optical equipment to perform the initial testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 Aug 2026
Physical Therapist (pt)
Company: Select Medical |
. Incorporates appropriate standardized testing, required NTR standardized outcome measures, NTR functional neuro evaluationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Aug 2026
Senior Software Engineer
Company: Mastercard |
, testing, and delivery of secure, scalable software solutions. Define requirements for new applications and customization... coverage through unit, functional, integration, and performance testing. Perform quality inspections and walkthroughs