Testing jobs in o'fallon USA
81 testing jobs found in o'fallon: showing 51 - 81
Senior Ai Engineer, Big Data & Ai Solutions
Company: Mastercard |
. -Knowledge of MLOps concepts including testing, automation, CI/CD, and version control. -Ability to communicate technicalLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Configuration Tech I
Company: CompuCom |
Tech to join our team. The Configuration Tech is responsible for the assembly, configuration, staging, testing, inventory... diagnostics, benchmark testing, stress testing, and power-on self-tests (POST) to validate device performance and stabilityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 14 Aug 2026
Senior Software Engineer
Company: Mastercard |
standards Apply software design principles and architectural patterns to create maintainable and extensible testing... models Ensure secure coding practices are embedded in development and testing processes, proactively identifyingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Lead Postgresql Engineer
Company: Mastercard |
, and related technologies. Build and enhance CI/CD integration for database provisioning, deployments, upgrades, testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Aug 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: 05 Aug 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: 04 Aug 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
throughout the issuer-cardholder relationship. In this role, you will apply your experience in API performance testing... testing, capacity planning, and launch reviews. Build, manage, and maintain robust performance testing suites. MeasureLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
Skilled - Welder
Company: QPS Employment Group |
, and weld pieces, setting up and measuring assemblies - Verify welding results by inspecting and testing welds - UpdateLocation: O'Fallon, MO, USA
| Salary: US$28 - 35 per hour | Date posted: 01 Aug 2026
Senior Specialist, Payroll Tax & M&a Integration
Company: Mastercard |
implementations and integrations. Coordinate testing of tax calculations, filings, deposits, and reporting. Maintain audit-readyLocation: O'Fallon, MO, USA
| Salary: US$85000 - 132000 per year | Date posted: 01 Aug 2026
Software Engineer Ii
Company: Mastercard |
design, development, documentation, testing, deployment support, and ongoing maintenance. Participate in software design..., and operational readiness. Troubleshoot, diagnose, and resolve technical issues across development, testing, and productionLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Jul 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
throughout the issuer-cardholder relationship. In this role, you will apply your experience in API performance testing... testing, capacity planning, and launch reviews. Build, manage, and maintain robust performance testing suites. MeasureLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
Manager, Ai Engineering (tester )
Company: Mastercard |
. This is a highly specialized, hands-on AI testing leadership position dedicated to ensuring our Generative AI, LLM, and agentic systems... frameworks, red-teaming strategies, and LLMOps quality gates while fostering a culture of rigorous, first-class AI testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Qualified Medication Aide (qma)
Company: Capital Senior Living |
between meals Maintains patient stability by checking vital signs and weight; testing urine; recording intake and outputLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Aircraft Airframe Component Technician
Company: AVMATS Jet Support |
Position Description Performs inspection, testing, repair, and overhaul of airframe accessory components. PositionLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Senior Platform Architect
Company: Mastercard |
in infrastructure performance engineering, including capacity planning, scalability testing, and performance optimization. AdvancedLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 23 Jul 2026
Software Engineer Ii
Company: Mastercard |
principles. Experience with automated testing, unit testing, and integration testing. Familiarity with performance optimizationLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Jul 2026
Lead Software Engineer
Company: Mastercard |
and platforms. - Define engineering standards for software development, testing, security, operability, and deployment. - Conduct... of processing millions of transactions daily. - Drive performance engineering initiatives including load testing, capacityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Jul 2026
Senior Software Engineer
Company: Mastercard |
engineering experience with strong technical depth across development, automation, testing, and delivery practices... of unit testing, functional testing, integration testing, regression testing, exploratory testing, and acceptance testingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 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: 17 Jul 2026
Senior Software Engineer
Company: Mastercard |
to create maintainable and extensible testing and validation systems Contribute to system architecture discussions, ensuring... and testing processes, proactively identifying vulnerabilities and risks Develop and execute testing strategies across all levelsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
Director, Finance Business Partner - Technology Infrastructure
Company: Mastercard |
improvements Ensures compliance with Enterprise Risk Management [ERM] policies, may perform control testing Manages a teamLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Jul 2026
Lead Workday Engineer - Integrations And Extend
Company: Mastercard |
architecture, design, development, testing, implementation, documentation, and support of enterprise applications using WorkdayLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 Jul 2026
Lead Software Engineer
Company: Mastercard |
contribute hands-on development, drive testing strategy, improve system design and testability, and mentor engineers to elevate..., system, and User Acceptance Testing (UAT) activities. Analyze logs, traces, and system behavior to validate functionalityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Manager, Software Engineering
Company: Mastercard |
across software design, development, testing, security, performance, operability, and delivery, ensuring solutions are scalable..., and performance-aware design techniques. Testing & Quality Engineering Establish and promote best practices for unit testingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Manager, Advertising Technology & Revenue Enablement
Company: Mastercard |
, discovering and defining AI use cases, reporting, and assisting with testing updates and training initiatives. Our primary set.../ Manager, Manager Consultant) in requirement gathering, user story definition, liaising with tech, functional testing and userLocation: O'Fallon, MO, USA
| Salary: US$109000 - 180000 per year | Date posted: 06 Jul 2026
Director, Platform Engineering
Company: Mastercard |
testing, validation, and security scanning for IaC and platform components. Integrate automation with cloud platformsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 Jul 2026
Occupational Therapist
Company: Select Medical |
testing, required NTR standardized outcome measures, NTR functional neuro evaluation, interest inventory, and functional needsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Jul 2026
Diesel Mechanic For Ready Mix Concrete Operation
Company: Kienstra Co |
using testing equipment, and cleaning or performing maintenance work. Cleaning, lubricating, and performing.... Diagnosing malfunctions or problems using a computerized system or testing equipment to determine the root cause of any issuesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Jul 2026
Lead Software Engineer
Company: Mastercard |
alternatives for business needs using current and emerging technologies and frameworks Drive advanced testing strategies including... automation, chaos engineering, and resilience testing to validate system behavior under failure conditions Remain handsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Jun 2026
Manager, Software Engineering
Company: Mastercard |
o Testing and automation (unit, functional, integration) o CI/CD pipelines and DevOps practices o Security and operational... testing, benchmarking, and tuning o Monitoring system latency, throughput, and resource utilization o IdentifyingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Jun 2026
Fire Protection Project Manager
Company: GPAC |
through installation, testing, and closeout. Coordinate with clients, contractors, engineers, architects, and authorities