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Software jobs in o'fallon USA

98 software jobs found in o'fallon: showing 51 - 98

Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 19 Aug 2026
potential. Title and Summary Senior Software Engineer Overview: Mastercard Send (part of the Mastercard Move portfolio... that power near real-time money movement across the globe. You will combine strong software engineering expertise
Site Relablity Engineer
Company: Wipro |

Location: O'Fallon, MO, USA

| Salary: US$45000 - 121000 per year | Date posted: 15 Aug 2026
that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higher environments
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 15 Aug 2026
potential. Title and Summary Senior Software Engineer Job Overview: Responsible for the analysis, design, development..., testing, and delivery of secure, scalable software solutions. Define requirements for new applications and customization
Configuration Tech I
Company: CompuCom |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 14 Aug 2026
for deployment according to established standards and procedures. Deploy corporate operating system images, software packages... and resolve hardware, imaging, operating system, and software deployment issues. Accurately record serial numbers, asset tags
Customer Service / Inside Sales Representative
Company: unknown |

Location: O'Fallon, MO, USA

| Salary: US$40000 - 55000 per year | Date posted: 14 Aug 2026
role is preferred Comfortable using computers and customer management software Excellent phone and written communication
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... for all. About the Role The Payment & Enablement Optimization program is hiring a Senior Software Engineer to drive our customer
Growth Advisor For Home Services
Company: Grokon Marketing |

Location: O'Fallon, MO, USA

| Salary: US$80000 - 100000 per year | Date posted: 07 Aug 2026
, marketing, insurance, finance, software, recruiting, networking, or another professional service? GrokOn Marketing... services professional Payroll, HR, or recruiting provider IT or managed services provider Software or technology consultant
Lead Postgresql Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026
reliability, and advance cloud-native database capabilities across the organization. The role partners closely with software... health frameworks for database services. Collaborate with software engineering and platform teams to provide architecture
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 Aug 2026
potential. Title and Summary Senior Software Engineer Overview Join a team focused on transforming how Mastercard...'s payment systems are built, scaled, and operated. As a Senior Software Engineer, you will lead the design and development
Principle, Vulnerability Analyst
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026
across Mastercards software environment. This position is for a Principal Vulnerability Analyst who will work directly... security, secure software development, or security engineering, with demonstrated ability to validate and drive remediation
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 04 Aug 2026
improvements. Support and improve the CI/CD pipeline for software promotion, enforcing validation and operational gating. Lead... experience. Strong foundation in algorithms, data structures, scripting, software design, and pipeline management. Systematic
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 04 Aug 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... customers. About the Role Software Engineers at Mastercard design and code artificial intelligence, cloud, and machine
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 04 Aug 2026
improvements. Support and improve the CI/CD pipeline for software promotion, enforcing validation and operational gating. Lead... experience. Strong foundation in algorithms, data structures, scripting, software design, and pipeline management. Systematic
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$140000 - 231000 per year | Date posted: 01 Aug 2026
potential. Title and Summary Manager, Software Engineering We are seeking a visionary and results-driven Engineering... teams, and ensuring the successful delivery of complex software solutions. Are you passionate about low latency (the speed
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
testing suites from LoadRunner to Gatling or BlazeMeter. Strong software performance analysis, bottleneck identification
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 29 Jul 2026
potential. Title and Summary Software Engineer II Overview: At Mastercard, our industry expertise is enhanced... culture of inclusion and sense of belonging. Mastercard software engineering teams leverage Agile development principles
Accountant
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$69000 - 110000 per year | Date posted: 29 Jul 2026
developed software, cloud/SaaS implementation costs, hosting arrangements, software licensing, managed services, long-lived
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
testing suites from LoadRunner to Gatling or BlazeMeter. Strong software performance analysis, bottleneck identification
Manager, Ai Engineering (tester )
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 24 Jul 2026
. All About You: Master's/Bachelor's degree in Computer Science, AI/ML, or Software Engineering, with considerable hands-on experience leading
Senior Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 23 Jul 2026
business, the projects you lead for Mastercard will deliver software operating at massive scale requiring a focus... development team with building out software solutions for Mastercard. Role: Dive as deep as you want into the tech stack, the
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 18 Jul 2026
potential. Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineer... applications while contributing to software design, architecture, operational excellence, and production support
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Jul 2026
potential. Title and Summary Lead Software Engineer Overview Join a team focused on transforming how Mastercard's payment... systems are built, scaled, and operated. As a Lead Software Development Engineer, you will drive the architecture, design
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates... is for a Senior Software Engineer who will contribute to the design, development, validation, automation, and operability of high
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... that power critical capabilities across the real-time payment network. This is an opportunity to work on software that operates
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault..., to enable faster, more reliable software delivery and operations. Troubleshooting - Capability to systematically identify
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 15 Jul 2026
potential. Title and Summary Manager, Software Engineering Job Description Summary Job Overview: Providing Innovative..., collaborative, and experienced software engineering leader to join the Network Solutions team. Are you a collaborator capable
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 14 Jul 2026
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault..., to enable faster, more reliable software delivery and operations. Troubleshooting - Capability to systematically identify
Lead Workday Engineer - Integrations And Extend
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 Jul 2026
, automation, AI-assisted development, monitoring, and modern software engineering practices. Workday Extend certification..., and driving technical excellence.. Experience working in Agile software delivery environments, including backlog refinement
Accounts Payable Specialist
Company: SAK Construction |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
, and a tremendous amount of growth potential. Responsibilities: Utilize OCR software to collect invoice data, verify accuracy..., and upload into Viewpoint Construction Software. Work closely with purchasing department, project managers, and other SAK
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
potential. Title and Summary Lead Software Engineer Overview: Mastercard's Global Credit Authorization team is seeking... a Lead Software Engineer (C/C++) to build and enhance high-performance, mission-critical systems that power secure, reliable
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
potential. Title and Summary Manager, Software Engineering About the Role This is an exciting opportunity..., and service providers worldwide. We are looking for a strong software engineering people leader to build advanced technologies
Wfm Lead, Na Contact Center
Company: Chubb |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Jul 2026
: Experience utilizing Workforce Management software, specifically NICE CXone. A Plus: Exposure to automation or advanced
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Jul 2026
potential. Title and Summary Manager, Software Engineering We are seeking a visionary and results-driven Engineering... teams, and ensuring the successful delivery of complex software solutions. Are you passionate about low latency (the speed
Now Hiring It And Telecom Field Technicians
Company: HARDY INDUSTRIES |

Location: O'Fallon, MO, USA

| Salary: US$18 - 25 per hour | Date posted: 07 Jul 2026
but not limited to: OS installations, hardware diagnostics, and software setup Structured cabling (including drilling, running
Director, Platform Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Jul 2026
and effective problem-solving. This role focuses on analyzing, coding, and delivering software and platform solutions. Operations
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
during the application build phase in software run principals that includes operational design, automation, capacity planning
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 01 Jul 2026
the application CI/CD pipeline for promoting software into higher environments through validation and operational gating... with algorithms, data structures, scripting, pipeline management, and software design. Systematic problem-solving approach, coupled
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
during the application build phase in software run principals that includes operational design, automation, capacity planning
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 01 Jul 2026
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault..., more reliable software delivery and operations. Troubleshooting - Capability to systematically identify, diagnose, and resolve
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$163000 per year | Date posted: 01 Jul 2026
for changes that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higher..., pipeline management, and software design. Systematic problem-solving approach, coupled with strong communication skills
Commercial Hvac Estimator
Company: GPAC |

Location: O'Fallon, MO, USA

| Salary: US$120000 per year | Date posted: 29 Jun 2026
, organized documentation, and estimating software literacy Coachable, detail-oriented, team-focused Why Its a Great
New Mortgage Loan Officer Turn Your Network Into Real Income
Company: Satori Mortgage |

Location: O'Fallon, MO, USA

| Salary: US$50000 - 250000 per year | Date posted: 26 Jun 2026
: how to run a file start to finish, the lender options, the software. You'll get proven prospecting systems to turn your network
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 26 Jun 2026
potential. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy... for you! Role As a Lead Software Engineer, you will be responsible for: Design and develop secure, reliable, and scalable
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 26 Jun 2026
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault..., more reliable software delivery and operations. Troubleshooting - Capability to systematically identify, diagnose, and resolve
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 26 Jun 2026
potential. Title and Summary Manager, Software Engineering Our Purpose We connect and power an inclusive digital economy... goals Role As a Manager, Software Engineering, you will provide strong technical and people leadership, drive high
Front Desk Coordinator - O'fallon, Mo
Company: The Joint Chiropractic |

Location: O'Fallon, MO, USA

| Salary: US$18 - 20 per hour | Date posted: 23 Jun 2026
and maintain up-to-date patient records using POS software Assist with clinic marketing efforts and community outreach Maintain
Senior Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 23 Jun 2026
and managing software projects with advanced knowledge of the Software Development Lifecycle. Excellent written and verbal
Electrical Estimator
Company: GPAC |

Location: O'Fallon, MO, USA

| Salary: US$125000 per year | Date posted: 17 Jun 2026
utilizing Estimating software applications Knowledge of general construction practices Knowledge of the National Electrical