Testing jobs in o'fallon USA
119 testing jobs found in o'fallon: showing 51 - 100
Manager, Implementation
Company: Mastercard |
systems, formats and associated customer host interface testing services and principles Ability to interact wellLocation: O'Fallon, MO, USA
| Salary: US$106000 - 175000 per year | Date posted: 09 Oct 2026
Devops Engineer - Infrastructure Automation
Company: Wipro |
is to work with Application teams and developers to facilitate better coordination amongst operations, development and testing... that supports the application life cycle across the DevOps toolchain from planning, coding and building, testing, staging, releaseLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 08 Oct 2026
Performance & Resiliency Test Engineer
Company: Wipro Digital |
, regression, negative, failover, recovery, load, soak, and capacity testing. Validate proxy bypass and return-to-legacy recovery..., performance, network, and integration testing. TCP/IP and packet-level troubleshooting. Automated test frameworks and failureLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 08 Oct 2026
Devops Engineer - Infrastructure Automation
Company: Wipro |
fallback procedures. Integrate automation with Jenkins and enterprise CI/CD pipelines. Apply source control, testingLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 08 Oct 2026
Principal , Product Management-technical
Company: Mastercard |
and engineers on coverage for functional, regression, and network certification testing, and supporting UAT, customer validationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Oct 2026
Software Engineer I
Company: Mastercard |
is a plus. Understanding REST APIs, microservices, relational databases, SQL, and software testing practices. Familiarity with unit testing... frameworks and automated testing methodologies. Familiarity with Git, CI/CD pipelines, cloud platforms, DevOps practicesLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 08 Oct 2026
Technical Lead
Company: Wipro |
AI engineering tools such as GitHub Copilot, Claude Code, or M365 Copilot to improve productivity, code quality, testing..., documentation, and debugging while maintaining human review and responsible-use standards. Hands-on experience building, testingLocation: O'Fallon, MO, USA
| Salary: US$80000 - 158000 per year | Date posted: 08 Oct 2026
Manager Software Engineering
Company: Mastercard |
, and improve automation frameworks and testing solutions to increase efficiency, reliability, and software quality Drive... automation throughout the software development lifecycle, including testing strategy, execution, validation, and continuousLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Oct 2026
Manager, Software Engineering
Company: Mastercard |
optimization efforts. Establish and promote engineering best practices related to software design, coding standards, testing... of development and production operations. Foster Agile development practices, continuous integration, automated testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Oct 2026
Pharmacist
Company: Walgreens |
services, including immunizations, diagnostic testing, and medication therapy management Ensure medication safety throughLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Oct 2026
Director, Data Analytics
Company: Mastercard |
standards for data quality, solution design, development, testing, documentation, deployment, monitoring, and lifecycleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Oct 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: 07 Oct 2026
Senior Software Engineer
Company: Mastercard |
testing strategies. Analyze, optimize, and improve application performance, scalability, and reliability. Apply secure... architecture principles. Experience building highly scalable and resilient systems. Experience implementing automated testingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 07 Oct 2026
Director, Mainframe Software Engineering
Company: Mastercard |
best practices in software design, automated testing, observability, operational excellence, and platform reliability. Maintain..., CI/CD, automated testing, and engineering productivity frameworks. Familiarity with application lifecycle management toolsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 06 Oct 2026
Software Engineer I
Company: Mastercard |
, cloud technologies, automated testing, performance optimization, DevOps, and engineering best practices. In this role.... Understanding REST APIs, microservices, relational databases, SQL, and software testing practices. Familiarity with unit testingLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 06 Oct 2026
Vice President, Security Monitoring And Response
Company: Mastercard |
the global exercising and testing program, including coordination with clients and suppliers to ensure end-to-end... of robust policies, procedures, and frameworks to manage and mitigate risks. Ensure the exercising and testing programLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 06 Oct 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: 06 Oct 2026
Senior Business Analyst
Company: Mastercard |
, documentation, testing coordination, issue tracking, and implementation planning. Monitor project milestones and follow upLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 05 Oct 2026
Business Integration Project Manager - Finance
Company: UniQtal Solutions LLC |
. Support process harmonization, standardization, operating model transitions, testing, operational readiness, and postLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Oct 2026
Senior Data Engineer
Company: Mastercard |
requirements analysis, solution design, coding, testing, deployment, production support, and continuous optimization. PartnerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Oct 2026
Senior Data Engineer
Company: Mastercard |
requirements analysis, solution design, coding, testing, deployment, production support, and continuous optimization. PartnerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Oct 2026
Software Engineer Ii
Company: Mastercard |
a Software Engineer II to contribute to the design, development, testing, deployment, and operational excellence of software... discussions, applying appropriate testing approaches, automation frameworks, engineering standards, and design patterns. DevelopLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 Oct 2026
Experienced Tax Preparer
Company: Jackson Hewitt |
Enrolled Agent materials and testing reimbursement Discounted Friends and Family tax returns (terms apply) Plus, you'll workLocation: O'Fallon, MO, USA
| Salary: US$15 - 20 per hour | Date posted: 01 Oct 2026
Experienced Tax Preparer
Company: Jackson Hewitt |
Enrolled Agent materials and testing reimbursement Discounted Friends and Family tax returns (terms apply) Plus, you'll workLocation: O'Fallon, MO, USA
| Salary: US$15 - 20 per hour | Date posted: 01 Oct 2026
Senior Integration Engineer
Company: Mastercard |
) for executable specifications o Cypress for modern UI testing where applicable Ensure automation suites are reliable, efficient... for exploratory testing and debugging, converting findings into automated coverage 3. Performance & Non-Functional Testing DesignLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Oct 2026
Senior Java Fullstack Engineer
Company: ICONMA |
Apply AIassisted coding, testing, documentation, and troubleshooting Explore practical GenAI use cases for modernization, automationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Sep 2026
Senior Software Engineer
Company: Mastercard |
application or software-component level, including design, development, testing, deployment, support, documentation... standards, and best practices. Review code, testing, and automation produced by team members to ensure quality, securityLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Sep 2026
Lead Software Engineer
Company: Mastercard |
that surface observability and operational insights Testing Strategy & Quality Engineering Define and implement comprehensive... testing strategies, including: Unit testing Integration testing Functional/end-to-end testing Embed automated testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 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... and automated testing frameworks. Exposure to PCI, security, or regulatory requirements. Experience working in high-volumeLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Software Engineer Ii
Company: Mastercard |
II to contribute to the design, development, testing, deployment, and support of secure, scalable, and reliable software..., scalability, and reliability through monitoring, testing, and continuous improvement efforts. Apply effective data structuresLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Lead Software Engineer
Company: Mastercard |
technologies and frameworks. Drive advanced testing strategies, including automation, chaos engineering, and resilience testing..., and high-performance systems. Optimize application performance through effective data modeling, memory management, testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Sep 2026
Senior Product Manager -technical
Company: Mastercard |
(i.e., testing, production, post-production) All About You The ideal candidate for this role should: Have experience in the...) Proven track record of taking ideas from inception to production (i.e., requirements, design, testing, implementation, postLocation: O'Fallon, MO, USA
| Salary: US$104000 - 177000 per year | Date posted: 22 Sep 2026
Lead Software Engineer
Company: Mastercard |
testing strategies including unit, functional, integration, and end-to-end testing to ensure high-quality software deliveryLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Sep 2026
Lead Performance Engineer
Company: Wipro |
environments (private cloud + AWS). This role goes far beyond traditional testing by deeply analyzing container orchestrationLocation: O'Fallon, MO, USA
| Salary: US$80000 - 158000 per year | Date posted: 19 Sep 2026
Lead Performance Engineer
Company: Wipro Digital |
environments (private cloud + AWS). This role goes far beyond traditional testing by deeply analyzing container orchestrationLocation: O'Fallon, MO, USA
| Salary: US$80000 - 158000 per year | Date posted: 19 Sep 2026
Software Engineer Ii
Company: Mastercard |
is responsible for designing, developing, testing, deploying, and maintaining scalable software solutions that leverage.... Implement CI/CD pipelines for AI applications and software services. Automate testing, deployment, monitoring, and operationalLocation: 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.... Familiarity with CI/CD pipelines and automated testing frameworks. Exposure to PCI, security, or regulatory requirementsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Senior Software Engineer
Company: Mastercard |
, or similar) Software Design & Architecture Unit, Functional & Integration Testing CI/CD & Automation Jenkins ArtifactoryLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 18 Sep 2026
Software Engineer Ii
Company: Mastercard |
development lifecycle, contributing to application design, architecture, development, testing, deployment, and operational... development processes and architecture patterns Experience designing, developing, testing, and maintaining software applicationsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 17 Sep 2026
Director, Product Experience Design
Company: Mastercard |
capabilities such as configuration, enablement, testing, and workflows. You will play a critical role in translating onboarding... decisions. This includes participating in user research, usability testing, and feedback analysis to identify pain pointsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Senior Data Engineer
Company: Mastercard |
requirements, design, development, testing, deployment, and support. Troubleshoot production issues, perform root cause analysisLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 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
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
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: 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
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: 10 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: 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
Lead Software Integration Engineer (release Management) – Workday & Hr Platforms
Company: Mastercard |
knowledge of software development lifecycle practices, integration architecture, API-based services, testing strategies... 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
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 support