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Computer Software Engineer jobs in o'fallon USA

48 computer software engineer jobs found in o'fallon: showing 1 - 48

Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 09 Jun 2026
potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in the... for all. Overview The Decision Management Program (DMP) team is looking for a Software Engineer II to drive our customer experience
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 09 Jun 2026
potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the payments... a Lead Software Engineer to lead the architecture and design of microservices responsible for both API and web authentication
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 09 Jun 2026
potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in the... for all. Overview The Decision Management Program (DMP) team is looking for a Software Engineer II to drive our customer experience
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
potential. Title and Summary Software Engineer II Overview: We work to connect and power an inclusive, digital economy... on software that operates at global scale, where speed, reliability, and resilience matter every day. As a Software Engineer II
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
potential. Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a Software... Engineer II to help drive our software delivery strategy forward by building secure, reliable, and scalable cloud-native
Lead Product Management -technical
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$130000 - 221000 per year | Date posted: 02 Jun 2026
. Perhaps a software or data engineer by training. Proficient with data-intensive applications (APIs, Java, Spring, Containers... globe? Interested in creating innovative software for combating scammers? This position supports the Authorization
Lead Product Management -technical
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 28 May 2026
. Perhaps a software or data engineer by training. Proficient with data-intensive applications (APIs, Java, Spring, Containers... globe? Interested in creating innovative software for combating scammers? This position supports the Authorization
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 27 May 2026
potential. Title and Summary Senior Site Reliability Engineer Overview: Who Is Mastercard:Mastercard is committed... Reliability Engineer (SRE) / Operational Readiness Architect**, the mission is to ensure platform stability, health
Bizops Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 27 May 2026
potential. Title and Summary BizOps Engineer II "Overview The BizOps team is looking for a Site Reliability Engineer who... operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
potential. Title and Summary Lead Site Reliability Engineer Job Description Summary Overview: Who is Mastercard... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
potential. Title and Summary Lead Site Reliability Engineer Overview The Mastercard Business Operations (BizOps...) organization is seeking a Lead BizOps Engineer to serve as a technical authority and operational architect across critical
Manager, Bizops
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Operations Site Reliability Engineer (SRE) The role of Business Operations Organization is to be the production readiness... resilient products. We support our developers during the application build phase in software run principals that includes
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 27 May 2026
potential. Title and Summary Senior Site Reliability Engineer Overview-The ProCOM team is looking for a Site Reliability... for changes that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higher
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
potential. Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Manager, Bizops
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
whats next. About the Role The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)The role... application build phase in software run principals that includes operational design, automation, capacity planning, monitoring
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
potential. Title and Summary Lead Site Reliability Engineer Overview: Who is Mastercard?At Mastercard technology... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 27 May 2026
potential. Title and Summary Senior Site Reliability Engineer Overview The BizOps team is looking for a Senior Site... Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services
Bizops Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 27 May 2026
potential. Title and Summary BizOps Engineer II Job Description: Overview The Financial Solutions BizOps team... is looking for a Site Reliability Engineer who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation
Director, Site Reliability Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 27 May 2026
whats next. About the Role The Business Operations (Biz Ops) team is seeking a Director, Site Reliability Engineer (SRE) The role... application build phase in software run principals that includes operational design, automation, capacity planning, monitoring
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 27 May 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... transaction processing across global payment networks. Role As a Senior Software engineer, you will be responsible
Senior Software Engineer - Java Full Stack Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 22 May 2026
potential. Title and Summary Senior Software Engineer - Java Full Stack Engineer All About Us MasterCard is a technology.... Participate in the gathering of business requirements. Ensure software designs align with MasterCards Enterprise Architecture
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 20 May 2026
potential. Title and Summary Senior Software Engineer All About Us MasterCard is a technology company in the global... gathering of business requirements. Ensure software designs align with MasterCards Enterprise Architecture and leverage
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 19 May 2026
potential. Title and Summary Senior Site Reliability Engineer Overview-The ProCOM team is looking for a Site Reliability... for changes that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higher
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 15 May 2026
potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the payments.... We are seeking a Lead Software Engineer to design, build, and advance internal developer platforms through modern, data-driven user
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 13 May 2026
potential. Title and Summary Lead Site Reliability Engineer Overview: Who is Mastercard?At Mastercard technology... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 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
Title Exception
Company: US Tech Solutions |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 06 May 2026
, and AI Security Governance. Job Description: As an Information Security Engineer specializing in AI Security, you will be at the...: Collaborate with data scientists and software engineers to integrate security best practices into the AI development lifecycle
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
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 05 May 2026
potential. Title and Summary Senior Site Reliability Engineer Overview The BizOps team is looking for a Senior Site... Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 04 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
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 May 2026
potential. Title and Summary Lead Site Reliability Engineer Overview The Mastercard Business Operations (BizOps...) organization is seeking a Lead BizOps Engineer to serve as a technical authority and operational architect across critical
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
Principal Information Security Engineer
Company: ICONMA |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
Our Client, a Automotive Manufacturing company, is looking for a Principal Information Security Engineer... for their O'Fallon, MO location. Responsibilities: As an Information Security Engineer specializing in AI Security
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Apr 2026
potential. Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Lead Software Development Engineer In Test (lead Sdet)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 29 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
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... environment. - Bachelors degree in computer science, Software Engineering, or a related field preferred (This role operates
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... in the fields of Computer Science or Software Engineering. Experience in Azure infrastructure provisioning through
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
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 03 Apr 2026
potential. Title and Summary Senior Site Reliability Engineer Overview: Who Is Mastercard:Mastercard is committed... Reliability Engineer (SRE) / Operational Readiness Architect**, the mission is to ensure platform stability, health
Senior Software Engineer (big Data)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 03 Apr 2026
potential. Title and Summary Senior Software Engineer (Big Data) Position Overview Have you ever wanted to be part... is seeking a Backend Software Engineer to join the AI&DPE Data Engineering platform team, responsible for building and evolving
Manager, Bizops
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Apr 2026
Operations Site Reliability Engineer (SRE) The role of Business Operations Organization is to be the production readiness... resilient products. We support our developers during the application build phase in software run principals that includes
Manager, Bizops
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 31 Mar 2026
whats next. About the Role The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)The role... application build phase in software run principals that includes operational design, automation, capacity planning, monitoring
Bizops Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 24 Mar 2026
potential. Title and Summary BizOps Engineer II "Overview The BizOps team is looking for a Site Reliability Engineer who... operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing
Bizops Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 24 Mar 2026
potential. Title and Summary BizOps Engineer II Job Description: Overview The Financial Solutions BizOps team... is looking for a Site Reliability Engineer who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation
Principal Software Engineer, Data Architecture
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 21 Mar 2026
potential. Title and Summary Principal Software Engineer, Data Architecture Overview: Mastercards Data & Analytics... organization is seeking a visionary Principal Software Engineer, Data Architecture to shape and evolve our global enterprise data
Lead Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Mar 2026
potential. Title and Summary Lead Site Reliability Engineer Job Description Summary Overview: Who is Mastercard... Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 13 Mar 2026
potential. Title and Summary Senior Software Engineer The AI & DPE organization powers the DMP platforma cloud native... Fraud Rule Engines and integrating advanced AI capabilities. The Senior Software Engineer will follow solution