Computer Software Engineer jobs in o'fallon USA
35 computer software engineer jobs found in o'fallon: showing 1 - 35
Senior Information Security Engineer
Company: Mastercard |
potential. Title and Summary Senior Information Security Engineer Who is Mastercard? Mastercard is a global technology... for all. Overview As an Information Security Engineer AI Security Operations, you will be at the forefront of protecting theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software engineer About the Role The Mastercard Operational Intelligence Program... global marketplace. We are currently seeking a Senior Software Engineer to join the Mastercard Operational Reports NexGenLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role The Mastercard Operational Intelligence Program... global marketplace. We are currently seeking a Software Engineer II to join the Mastercard Operational Reports NexGenLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 12 Oct 2026
Junior Site Reliability Engineer I
Company: Smart IMS Inc |
Job Title: Junior Site Reliability Engineer I Duration (Contract): 12 Months Client Location: O'Fallon, MO 63368... Location Preference: Hybrid Job Description: As a Junior Site Reliability Engineer I, you will support the reliabilityLocation: O'Fallon, MO, USA
| Salary: US$40 - 80 per hour | Date posted: 12 Oct 2026
Site Reliability Engineer I
Company: ICONMA |
Our Client, a Credit Card company, is looking for a Site Reliability Engineer I for their O'Fallon, MO/ Hybrid location... reliability and velocity. Support the application CI/CD pipeline for promoting software into higher environments throughLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 10 Oct 2026
Software Engineer I
Company: Mastercard |
potential. Title and Summary Software Engineer I About the Role Join Mastercards Transaction Stream team in OFallon.... As a Software Engineer I, you will collaborate with engineers and product partners to build, test, and enhance solutionsLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 08 Oct 2026
Manager, Software Engineering
Company: Mastercard |
initiatives. All About You: Proven experience as a Software Engineer, Senior Software Engineer, Technical Lead, Architect... potential. Title and Summary Manager, Software Engineering Overview: Mastercard's Global Credit Authorization teamLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Oct 2026
Software Engineer I
Company: Mastercard |
potential. Title and Summary Software Engineer I Who is Mastercard? We work to connect and power an inclusive, digital..., and delivers better business results. About the Role We are looking for a motivated Software Engineer to develop, testLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 06 Oct 2026
Lead Site Reliability Engineer
Company: Mastercard |
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 productsLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 03 Oct 2026
Senior Site Reliability Engineer
Company: Mastercard |
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 higherLocation: O'Fallon, MO, USA
| Salary: US$163000 per year | Date posted: 03 Oct 2026
Manager, Site Reliability Engineering
Company: Mastercard |
whats next. About the Role The Business Operations (Biz Ops) team is seeking a Business Operations Engineer. The role of Business... we support platform stability through monitoring. We support software run principals that includes change implementationLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 03 Oct 2026
Senior Site Reliability Engineer
Company: Mastercard |
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, servicesLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 03 Oct 2026
Senior Java Fullstack Engineer
Company: ICONMA |
Our client, a Credit Card Company, is looking for a Senior Java Fullstack Engineer for their O Fallon, MO/Hybrid... location. Responsibilities: This job independently executes key elements of projects/processes within the SoftwareLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the payments... for all Mastercards transactions. The primary purpose of this role will be to lead a team of software engineers to deliver theLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Sep 2026
Software Engineer Ii – Notification Manager
Company: Mastercard |
potential. Title and Summary Software Engineer II Notification Manager Overview The Notification Manager team... engagement products. As a Software Engineer II, you will contribute to the design, development, testing, deploymentLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview At Mastercard Commercial Solutions, we empower businesses... Software Engineer to advance our customer experience strategy through innovation and problem-solving. The ideal candidateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 28 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy..., this is the role for you! As a Lead Software Engineer, you will be responsible for: Design and develop secure, reliableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 28 Sep 2026
Principal Software Engineer
Company: Mastercard |
potential. Title and Summary Principal Software Engineer Who is Mastercard? Mastercard is a global technology company... authentication, issuer enablement, and risk-based authentication. As a Principal Software Engineer, you serve as a distinguishedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... of the worlds leading organizations and governments. As a Senior Software Engineer, you will deliver these productsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 23 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Lead Software Engineer that possesses strong experience with Golang with strongLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... of the worlds leading organizations and governments. As a Senior Software Engineer, you will deliver these productsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 19 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II The Core Payments department is hiring a highly motivated Software... in computer science, Software Engineering, or a related technical field, preferred. Mastercard is a merit-based, inclusiveLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 19 Sep 2026
Software Engineer Ii - Decision Management Program
Company: Mastercard |
potential. Title and Summary Software Engineer II - Decision Management Program Position Summary The Notification Manager..., and customer engagement products. As a Software Engineer II, you will contribute to the design, development, testing, deploymentLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer This role is part of the Software Engineering team within Mastercard... excellence, throughout the software development lifecycle. As a Senior Software Engineer, you will develop softwareLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 18 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Mastercard Digital Enablement Services (MDES) is seeking a Software..., automation, continuous improvement, and engineering excellence. As a Software Engineer II, you will design, develop, and supportLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 16 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview The ABU team enables issuers and acquirers to securely.... We are modernizing the ABU platform and looking for a Senior Software Engineer to build and enhance highly available, distributed systemsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercard is a global technology company in the payments... a Senior Software Engineer to design, build, and enhance software applications and developer-facing experiences that empowerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 12 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Next Edge represents the next phase of Mastercard's Core... to build, test, and deploy software more efficiently. As a Senior Software Engineer, you will contribute to the designLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Senior Database Platform Engineer (oracle)
Company: Mastercard |
potential. Title and Summary Senior Database Platform Engineer (Oracle) Database Platform Engineer Overview Mastercard... applications globally. We are seeking a Senior Database Platform Engineer to provide technical leadership, platform strategyLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 09 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Overview: Mastercards Enterprise Credit Risk (ECR) team... is seeking a talented Senior Software Engineer Java Full Stack to design, build, and modernize applications that power creditLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive.... As a Software Engineer, you will deliver these products and solutions with speed and agility as part of a small teamLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Aug 2026
Manager, Site Reliability Engineering
Company: Mastercard |
whats next. About the Role The Business Operations (Biz Ops) team is seeking a Business Operations Engineer. The role of Business... we support platform stability through monitoring. We support software run principals that includes change implementationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Aug 2026
Senior Software Engineer
Company: Mastercard |
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 customizationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Aug 2026
Senior Software Engineer
Company: Mastercard |
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 customerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... at global scale, where speed, reliability, and resilience matter every day. As a Senior Software Engineer, you will collaborate