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Software jobs in o'fallon USA

122 software jobs found in o'fallon: showing 51 - 100

5th Grade Teacher
Company: Archdiocese of St. Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 May 2026
development throughout the year. Use the TeacherEase student management software to enter grades, behavior reports/discipline
Pharmacist
Company: Walgreens |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 May 2026
, pharmacy operations, pharmacy software and technology systems and insurance. We will consider employment of qualified
Senior Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 13 May 2026
. ALL ABOUT YOU Demonstrated ability to operate with independence and autonomy Deep understanding of Software Development Methodologies... and Lifecycles Understanding of cloud-native software products, platforms capabilities and underlying technologies. Enjoys
Principal Product Manager - Technical
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 May 2026
. Strong understanding of realtime platforms, APIs, integration patterns, and modern software delivery practices. Proven ability to lead
Lead Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 May 2026
such as APIs, integrations, SSO, and software development lifecycles. Mastercard is a merit-based, inclusive, equal opportunity
Director Of Events
Company: Archdiocese of Saint Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 May 2026
event-related software platforms, registrations, and databases Cultivate positive relationships with benefactors... with event management software and Microsoft Office applications Commitment to supporting the Catholic mission and values of the
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 May 2026
potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Software Engineer II is an earlycareer
Director Of Events
Company: Archdiocese of St. Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 May 2026
event-related software platforms, registrations, and databases Cultivate positive relationships with benefactors... with event management software and Microsoft Office applications Commitment to supporting the Catholic mission and values of the
Software Developer- Emr Integration
Company: Adaptive Solutions Group |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 May 2026
and surrounding regions. We are currently looking for a Healthcare Software Developer (EMR Integration) to join our team... and operational stakeholders to align software solutions with business workflows Work within a cloud-based environment to support
Software Developer- Emr Integration
Company: Adaptive Solutions Group |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 06 May 2026
and surrounding regions. We are currently looking for a Healthcare Software Developer (EMR Integration) to join our team... and operational stakeholders to align software solutions with business workflows Work within a cloud-based environment to support
Electrical Estimator
Company: GPAC |

Location: O'Fallon, MO, USA

| Salary: US$125000 per year | Date posted: 06 May 2026
utilizing Estimating software applications Knowledge of general construction practices Knowledge of the National Electrical
Title Exception
Company: US Tech Solutions |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 06 May 2026
: Collaborate with data scientists and software engineers to integrate security best practices into the AI development lifecycle
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 05 May 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
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 May 2026
potential. Title and Summary Senior Software Engineer Overview Customer Connectivity is a global Mastercard team... management, code signing, and key management. This Senior Software Engineer will be responsible for the component design
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
potential. Title and Summary Software Development Engineer in Test (SDET) II Overview: Mastercards Global Credit Card... Authorization team is seeking a Software Development Engineer in Test (SDET) II to help ensure the quality, resilience
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 May 2026
consistent, highquality software delivery at scale. Observability & SelfHealing Systems Define and promote standards
Lead Product Manager-technical
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 May 2026
Manager Technical (PM-T) roles at Mastercard are deeply technical and partner closely with Software Engineers, Technical... into clear business context. Bachelors degree in Computer Science, Software Engineering, Information Technology, or a related
Senior Specialist, Legal Services
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$88000 - 141000 per year | Date posted: 04 May 2026
including but not limited to confidentiality/non-disclosure agreements, software license agreements and related support service
Tool Design Engineer
Company: O'Fallon Casting |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 May 2026
or other CAD software is required. Detail-oriented with excellent problem-solving skills Good understanding of GD&T
Quality Inspector / Romer Arm Operator
Company: WB Industries |

Location: O'Fallon, MO, USA

| Salary: US$28 - 30 per hour | Date posted: 04 May 2026
software such as PolyWorks to collect, analyze, and report dimensional data. Candidates should have a strong understanding
Mold Prep. B
Company: O'Fallon Casting |

Location: O'Fallon, MO, USA

| Salary: US$22.5 - 28.15 per hour | Date posted: 01 May 2026
to a variety of logs where accuracy is paramount, and enter all required information into the Company software in a timely manner... knowledge of personal computers and related software. Must have sufficient strength to perform the physical demands of the
Lead Ai Software Engineer- Ai Enablement
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 01 May 2026
potential. Title and Summary Lead AI Software Engineer- AI Enablement Overview: The Mastercard Cloud Team, in Mastercard... as a member of the Software Engineering Guild sharing your knowledge, best practices, ideas, and passion for technology Help
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Software Engineer II is an earlycareer
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
potential. Title and Summary Software Engineer II Overview: The Infrastructure Design Engineering Automation (IDEA) team... at Mastercard is looking for a Software Engineer II with a focus on front-end development to join as a hands-on individual
Senior Business Analyst
Company: True Manufacturing |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 01 May 2026
office. This position will serve as Business Analyst/Quality Assurance for an Agile software development team. The workload
Assistant Community Manager
Company: CAPREIT |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 01 May 2026
management software (RealPage, OneSite, and/or Yardi), or the ability to learn such software - A working knowledge of current
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
during the application build phase in software run principals that includes operational design, automation, capacity planning
Lead Software Development Engineer In Test (lead Sdet)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
potential. Title and Summary Lead Software Development Engineer in Test (Lead SDET) Overview: Mastercards Global Credit... Card Authorization team is seeking a Lead Software Development Engineer in Test (Lead SDET) to drive quality engineering
Principal Information Security Engineer
Company: ICONMA |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
: Collaborate with data scientists and software engineers to integrate security best practices into the AI development lifecycle
Senior Data Engineer (apache Spark, Nifi, Sql)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 29 Apr 2026
by innovation and collaboration. Understand, implement and enforce Software development standards and engineering principles in the
Senior Software Engineer - Level 7
Company: US Tech Solutions |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 27 Apr 2026
Automate build, operate, and run aspects of software Drive code/design/process trade-off discussions within their team when
Director, Ai Product Definition & Execution
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Apr 2026
will redesign how product ideas become buildable software by owning the operating model, the PMT practices, decision frameworks
Vice President, Software Engineering - Dmp
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Apr 2026
potential. Title and Summary Vice President, Software Engineering - DMP Overview: Mastercard is seeking a Vice President..., Software Engineering to lead the Authorization Decisioning domain within the Decision Management program. This role
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 25 Apr 2026
in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault... application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead
Lead Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Apr 2026
NaaS platform spans software engineering, network operations, security, and infrastructure teams and operates at high scale... with Jira project management software and familiarity with Aha! road mapping tools is considered a plus. Additionally
Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 23 Apr 2026
potential. Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced... payments when buying or selling products and services. The Mastercard Corporate Solutions team is looking for a Software
Director, Product Management-technical
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Apr 2026
to deliver (e.g. CX&D, Product Management Technical) Understand the Software Development Lifecycle and manage any barriers
Lead Software Engineer (azure Platform Engineering)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 16 Apr 2026
potential. Title and Summary Lead Software Engineer (Azure Platform Engineering) ABOUT MASTERCARD Mastercard is a global... teams such that automated cloud infrastructure can be provided to software engineering and operation teams. The Role
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 15 Apr 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive.... We are looking for software engineers that are passionate about creating high quality software while keeping performance top of mind
Estimator - Commercial Construction
Company: GPAC |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 14 Apr 2026
-solving skills - Knowledge of construction methods, materials, and equipment - Familiarity with construction software
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 11 Apr 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... for all. About the Role The Internal Systems & Automation Technology team is looking for a Senior Software Engineer to drive
Director, Controller, Technology
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 Apr 2026
for technology transactions and programs (e.g., build vs. buy, cloud migrations, managed services, software, implementation costs
Lead Product Manager- Technical - Ci/cd Infra & Scm
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 Apr 2026
potential. Title and Summary Lead Product Manager- Technical - CI/CD Infra & SCM **Overview** The Mastercard Software... builds and operates the platforms, tools, and services that make it possible for 11,000+ software engineers to build, test
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 09 Apr 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... better decisions, drives innovation, and delivers better business results. About the Role We are seeking a Senior Software Engineer
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
potential. Title and Summary Manager, Software Engineering Overview: Commercial provides solutions such as expense... management, reporting, etc.. to our issuers driving visibility and actionable insights. We are looking for a Software
Clerical-front Desk Worker
Company: Archdiocese of Saint Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
, PowerPoint). Experience in business software/databases. Must have proficient typing skills. General knowledge and support
Lead Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
and then some), and highly available (5 9s) software solutions? Would you like to be a part of an organization that is driving... knowledge of project management or software releases Experience in a scrum master role. Familiarity with software development
Clerical-front Desk Worker
Company: Archdiocese of St. Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Apr 2026
, PowerPoint). Experience in business software/databases. Must have proficient typing skills. General knowledge and support
Now Hiring It And Telecom Field Technicians
Company: HARDY INDUSTRIES |

Location: O'Fallon, MO, USA

| Salary: US$18 - 25 per hour | Date posted: 07 Apr 2026
but not limited to: OS installations, hardware diagnostics, and software setup Structured cabling (including drilling, running
Software Developer
Company: True Manufacturing |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Apr 2026
, design, development, unit testing, patch testing, and QA testing. Follow software development standards and change control... and technical system documentation for the purposes of knowledge transfer, improving software quality, and minimizing support costs