Software Engineering jobs in o'fallon USA
62 software engineering jobs found in o'fallon: showing 1 - 50
Software Engineer Ii
Company: Mastercard |
solutions. The ideal candidate is passionate about software engineering, highly motivated, intellectually curious, collaborative... software engineering practices and contributes to team or engineering community initiatives Mastercard is a merit-basedLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
Millwork Engineer
Company: Merric Millwork & Seating |
IN MICROVELLUM DESIGN SOFTWARE** Job Duties/Responsibilities Create machinery (CNC & Saw) programs and any other relevant... construction documents for custom millwork and casework using AutoCAD, Microvellum, and SolidWorks/SWOOD software. EnsureLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 28 May 2026
Senior Software Engineer
Company: Mastercard |
, security, scalability, and resilience. This role blends Software Engineering (deterministic systems and reliable services... potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 28 May 2026
Lead Product Management -technical
Company: Mastercard |
or in a Business or STEM-intensive degree program with related experiences in software engineering and/or data analytics. Preferred... globe? Interested in creating innovative software for combating scammers? This position supports the AuthorizationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 28 May 2026
Manager, Technical Program Management
Company: Mastercard |
to executives, peers, and staff with impact, eloquence, and authenticity Bachelor degree in software engineering, computer science... whats next. About the Role Technical Program Managers at Mastercard interact with product managers, software development managersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
across Mastercards most businesscritical services. You will partner deeply with product engineering, architecture, security..., observability, and reliability as foundational engineering disciplines, not tooling exercises. BizOps is at the forefrontLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
during the application build phase in software run principals that includes operational design, automation, capacity planning...: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: DesignLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Manager, Bizops
Company: Mastercard |
application build phase in software run principals that includes operational design, automation, capacity planning, monitoring... engineering, Automations and ITSM practices. Hands experience on creating various dashboards for the team and for the seniorLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault... and alerting strategy and create the framework to achieve zero downtime during deployment. Site Reliability Engineering: o ServeLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 27 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
during the application build phase in software run principals that includes operational design, automation, capacity planning...: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: DesignLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
Engineering (SRE) who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation... for changes that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higherLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 May 2026
Director, Site Reliability Engineering
Company: Mastercard |
potential. Title and Summary Director, Site Reliability Engineering Technology at Mastercard What we create... application build phase in software run principals that includes operational design, automation, capacity planning, monitoringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
during the application build phase in software run principals that includes operational design, automation, capacity planning...: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: DesignLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 27 May 2026
Senior Software Engineer
Company: Mastercard |
under pressure in an independent, autonomous environment. Responsibilities Software Engineering & Development - Design, build... All About You Strong hands-on experience in software engineering, including development and quality engineering to design systems for reliabilityLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 26 May 2026
Senior Software Engineer - Java Full Stack Engineer
Company: Mastercard |
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 ArchitectureLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 22 May 2026
Manager Software Engineering
Company: Mastercard |
potential. Title and Summary Manager Software engineering Our Purpose We work to connect and power an inclusive, digital... the software engineering team for successful product delivery through Testing with utmost quality. Work with productLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 May 2026
Senior Software Engineer
Company: Mastercard |
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 leverageLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 21 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
Engineering (SRE) who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation... for changes that improve reliability and velocity. Support the application CI/CD pipeline for promoting software into higherLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 May 2026
Manager, Software Engineering
Company: Mastercard |
potential. Title and Summary Manager, Software Engineering Who is Mastercard? Mastercard is a global technology company... for all. Overview The Mastercard Authentication team have an exciting opportunity for a Manager of Software Engineering to enhanceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 May 2026
Assistant Project Manager - Millwork
Company: Merric Millwork & Seating |
projects. This role works closely with Project Managers, Estimating, Production, Engineering, and Materials Management..., and Engineering teams; assisting with internal and external project walkthroughs to identify potential challenges early in the processLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 May 2026
Lead Software Engineer
Company: Mastercard |
initiatives spanning frontend, backend, and platform engineering Contribute to the Software Engineering Guild by sharing reusable... potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the paymentsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
during the application build phase in software run principals that includes operational design, automation, capacity planning...: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: DesignLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 14 May 2026
Senior Technical Program Manager
Company: Mastercard |
simultaneous projects to deliver engineering work across the portfolio in our scrum execution model. In this role, you get to dive.... ALL ABOUT YOU Demonstrated ability to operate with independence and autonomy Deep understanding of Software Development MethodologiesLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 13 May 2026
Principal Product Manager - Technical
Company: Mastercard |
closely with engineering, architecture, operations, and business leaders to deliver platforms that support billions... and switching systems. Partner closely with engineering and architecture teams to influence design decisions while maintainingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 May 2026
Lead Technical Program Manager
Company: Mastercard |
People & Capability Engineering team designs, delivers, and supports secure, scalable, and accessible technology solutions... initiatives that advance Mastercards people technology ecosystem, collaborating closely with Engineering, Product, and OperationsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 May 2026
Software Engineer Ii
Company: Mastercard |
knowledge of software engineering concepts and the software development lifecycle Experience with one or more programming... potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in theLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 May 2026
Software Development Engineer In Test (sdet) Ii
Company: Mastercard |
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, resilienceLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 05 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
across Mastercards most businesscritical services. You will partner deeply with product engineering, architecture, security..., observability, and reliability as foundational engineering disciplines, not tooling exercises. BizOps is at the forefrontLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 May 2026
Lead Product Manager-technical
Company: Mastercard |
into clear business context. Bachelors degree in Computer Science, Software Engineering, Information Technology, or a related... Manager Technical (PM-T) roles at Mastercard are deeply technical and partner closely with Software Engineers, TechnicalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 May 2026
Tool Design Engineer
Company: O'Fallon Casting |
. Collaborate with internal tool makers and external vendors on tool designs and modifications. Interpret engineering drawings... degree in Mechanical Engineering, or equal. 5-years of experience preferred Strong knowledge and experience in SolidworksLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 May 2026
Lead Ai Software Engineer- Ai Enablement
Company: Mastercard |
as a member of the Software Engineering Guild sharing your knowledge, best practices, ideas, and passion for technology Help... Identify and drive meaningful behavior changing metrics All About You: Years of professional lead software engineeringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 May 2026
Software Engineer Ii
Company: Mastercard |
knowledge of software engineering concepts and the software development lifecycle Experience with one or more programming... potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in theLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview: The Infrastructure Design Engineering Automation (IDEA) team.... All About You: Experience in software engineering or application development, with a focus on front-end technologies Foundational knowledgeLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
during the application build phase in software run principals that includes operational design, automation, capacity planning...: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: DesignLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Apr 2026
Lead Software Development Engineer In Test (lead Sdet)
Company: Mastercard |
Card Authorization team is seeking a Lead Software Development Engineer in Test (Lead SDET) to drive quality engineering... potential. Title and Summary Lead Software Development Engineer in Test (Lead SDET) Overview: Mastercards Global CreditLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Apr 2026
Principal Information Security Engineer
Company: ICONMA |
: Collaborate with data scientists and software engineers to integrate security best practices into the AI development lifecycle... architecture and engineering, designing resilient, scalable solutions that address real-world AI and ML threat models. HandsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Apr 2026
Senior Data Engineer (apache Spark, Nifi, Sql)
Company: Mastercard |
by innovation and collaboration. Understand, implement and enforce Software development standards and engineering principles in the... developing Data Engineering solutions in the data and analytics domain. Role Develop high quality, secure and scalable dataLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Apr 2026
Senior Software Engineer - Level 7
Company: US Tech Solutions |
Automate build, operate, and run aspects of software Drive code/design/process trade-off discussions within their team when... and engineering experience, actively works to improve experience and metrics in ownership area Develop complete understanding of endLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 Apr 2026
Director, Ai Product Definition & Execution
Company: Mastercard |
a critical role in translating product strategy and business intent into execution-ready work that engineering teams can reliably... deliver. This role sits at the intersection of product, engineering, and architecture, and is central to evolving how we scaleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Apr 2026
Vice President, Software Engineering - Dmp
Company: Mastercard |
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 roleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Apr 2026
Senior Site Reliability Engineer
Company: Mastercard |
in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault... and alerting strategy and create the framework to achieve zero downtime during deployment. Site Reliability Engineering: o ServeLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 25 Apr 2026
Lead Technical Program Manager
Company: Mastercard |
NaaS platform spans software engineering, network operations, security, and infrastructure teams and operates at high scale... production and steadystate operations Drive planning, sequencing, and execution readiness across multiple engineeringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 23 Apr 2026
Software Engineer
Company: Mastercard |
. Mastercard software engineering teams leverage Agile development principles, advanced development and design practices, and bring... environment. - Bachelors degree in computer science, Software Engineering, or a related field preferred (This role operatesLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 23 Apr 2026
Director, Product Management-technical
Company: Mastercard |
whats next. About the role Our vision is to Develop, deliver and support engineering solutions for threat management, analytics, source... to deliver (e.g. CX&D, Product Management Technical) Understand the Software Development Lifecycle and manage any barriersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Apr 2026
Lead Software Engineer (azure Platform Engineering)
Company: Mastercard |
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 RoleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Apr 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... among the integrated issuers, acquirers, and service providers worldwide. This position is on the performance engineeringLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Apr 2026
Director, Controller, Technology
Company: Mastercard |
for technology transactions and programs (e.g., build vs. buy, cloud migrations, managed services, software, implementation costs... stakeholders (e.g., Technology leadership, finance, product and engineering, sourcing, tax, legal, corporate and regionalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Apr 2026
Lead Product Manager- Technical - Ci/cd Infra & Scm
Company: Mastercard |
potential. Title and Summary Lead Product Manager- Technical - CI/CD Infra & SCM **Overview** The Mastercard Software... Builders Experience (MSBX) is a product-driven program dedicated to empowering Mastercards global engineering community. MSBXLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Apr 2026
Senior Software Engineer
Company: Mastercard |
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 EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 09 Apr 2026
Manager, Software Engineering
Company: Mastercard |
potential. Title and Summary Manager, Software Engineering Overview: Commercial provides solutions such as expense..., Software Engineering, or a related field Desirable skills experience working with Kafka, Splunk, Dynatrace Corporate