Software Engineering jobs in o'fallon USA
86 software engineering jobs found in o'fallon: showing 1 - 50
Senior Software Engineer
Company: Mastercard |
which use cryptography preferred Bachelor's degree in software engineering, computer science, information technology or related... potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusiveLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 04 Aug 2026
Sr. Software Engineer
Company: Akaasa Technologies |
engineering of the enterprise software architecture and provide guidance, advice, or training to other application developers...Sr. Software Engineer Location: Hybrid in O'Fallon, Missouri 3 days a week Duration: 6 months, possible extensionLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Aug 2026
Sr. Software Engineer
Company: Connvertex Technologies |
PCI, GLBA, Safe Harbor, and others. Drive performance engineering of the enterprise software architecture and provide...Top 3 Required Skills: 1. Java Full Stack Engineering Java 8+, J2EE, Spring, Hibernate Angular/React front-endLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Aug 2026
Sr. Software Engineer
Company: VSG Business Solutions |
PCI, GLBA, Safe Harbor, and others. Drive performance engineering of the enterprise software architecture and provide...See the role we have below for Sr. Software Engineer with our client Mastercard. This is hybrid in O'Fallon, Missouri 3Location: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Aug 2026
Full Stack Java Developer
Company: Smart IMS Inc |
, and problem resolution. Contribute to software design, development, testing, and deployment activities. Participate in code... reviews and promote engineering best practices. Create and maintain technical documentation, design specifications, and testLocation: O'Fallon, MO, USA
| Salary: US$40 - 80 per hour | Date posted: 03 Aug 2026
Software Engineer Ii - Decision Management Program
Company: Mastercard |
. Required Qualifications Bachelor's degree in Computer Science, Engineering, or equivalent experience. 25 years of software development... potential. Title and Summary Software Engineer II - Decision Management Program Position Summary The Notification ManagerLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 Aug 2026
Manager, Software Engineering
Company: Mastercard |
potential. Title and Summary Manager, Software Engineering We are seeking a visionary and results-driven Engineering... teams to deliver high-quality, scalable software products on time and within budget. Champion engineering best practicesLocation: O'Fallon, MO, USA
| Salary: US$140000 - 231000 per year | Date posted: 01 Aug 2026
Site Reliability Engineer Ii
Company: Mastercard |
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault... within the Site Reliability Engineering area by applying intermediate/practical knowledge and area best practices to meetLocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 01 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... applications for performance and reliability. Drive engineering best practices, automation, and continuous improvementLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Aug 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer..., Performance Engineering Payment Optimization unifies multiple Mastercard capabilities to improve transaction success, reduceLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Senior Software Engineer is an experiencedLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Aug 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 Aug 2026
Software Engineer Ii - Decision Management Program
Company: Mastercard |
. Required Qualifications Bachelor's degree in Computer Science, Engineering, or equivalent experience. 25 years of software development... potential. Title and Summary Software Engineer II - Decision Management Program Position Summary The Notification ManagerLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 30 Jul 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer..., Performance Engineering Payment Optimization unifies multiple Mastercard capabilities to improve transaction success, reduceLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
Software Engineer Ii
Company: Mastercard |
culture of inclusion and sense of belonging. Mastercard software engineering teams leverage Agile development principles... and applications that are revolutionizing payments. Are you passionate about software engineering? Do you enjoy seeing the impactLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Jul 2026
Software Engineer Ii - Level 8
Company: US Tech Solutions |
project/initiatives as an experienced individual contributor with specialized knowledge within the Software Engineering area...Duration: 12+ months Description: This job works independently on elements of projects/processes within the SoftwareLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Jul 2026
Senior Software Engineer -java
Company: Korn Ferry |
. Participate in gathering and refining business requirements Ensure software designs align with Mastercard's Enterprise... software and system design support the goal of zero downtime in production. Work closely with business partners on productLocation: O'Fallon, MO, USA
| Salary: US$60 - 80 per hour | Date posted: 28 Jul 2026
Tooling Design Engineer
Company: Actalent |
Environment This position operates in a professional office environment, utilizing advanced 3D CAD software and engineering... engineering drawings and 3D models, determining the necessary tooling requirements for production. The role involves designingLocation: O'Fallon, MO, USA
| Salary: US$90000 - 100000 per year | Date posted: 28 Jul 2026
Senior Java Full-stack Developer
Company: ICONMA |
engineering of the enterprise software architecture and provide guidance, advice, or training to other application developers...-end technologies. Participate in gathering and refining business requirements. Ensure software designs align with clientLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Jul 2026
Manager, Ai Engineering (tester )
Company: Mastercard |
. All About You: Master's/Bachelor's degree in Computer Science, AI/ML, or Software Engineering, with considerable hands-on experience leading... potential. Title and Summary Manager, AI Engineering (Tester ) Mastercard's Business & Market Insights (B&MI) groupLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Jul 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: 24 Jul 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... applications for performance and reliability. Drive engineering best practices, automation, and continuous improvementLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 24 Jul 2026
Senior Technical Program Manager
Company: Mastercard |
of delivering the highest quality software to customers and doing the right thing. Broad understanding of Software Engineering... business, the projects you lead for Mastercard will deliver software operating at massive scale requiring a focusLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 24 Jul 2026
Lead Software Engineer
Company: Korn Ferry |
This job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge...We have partnered with our client in their search for a Lead Software Engineer in O'Fallon, MO. ResponsibilitiesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 Jul 2026
Software Engineer I
Company: Mastercard |
-latency transaction processing platforms. This role provides opportunities to learn modern software engineering practices... and services. Follow secure coding standards and software engineering best practices throughout the development lifecycleLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 21 Jul 2026
Lead Software Engineer (c/c++)
Company: Mastercard |
potential. Title and Summary Lead Software Engineer (C/C++) Overview This is an exciting opportunity... engineers? Do you have experience in automation (CI/CD)? Have you developed software for Linux operating systemsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 Jul 2026
Senior Software Development Engineer
Company: Mastercard |
of performance engineering and production optimization. Strong understanding of secure software development principles. Experience... potential. Title and Summary Senior Software Development Engineer Overview The Senior Software Development EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 18 Jul 2026
Lead Software Development Engineer
Company: Mastercard |
is a technical leader responsible for driving software architecture, engineering strategy, and delivery of Mastercard... initiatives, and adoption of Agentic AI-powered engineering practices. What You Will Do Software Architecture & EngineeringLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Jul 2026
Manager, Business Analysis
Company: Mastercard |
, and business operations, this role partners with engineering, business stakeholders, finance, and operations to deliver innovative..., including platform rationalization, process standardization, and migration initiatives Partners with engineering teamsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Jul 2026
Software Engineer I
Company: Mastercard |
transaction processing platforms. This role provides opportunities to learn modern software engineering practices... and services. Follow secure coding standards and software engineering best practices throughout the development lifecycleLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 18 Jul 2026
Software Engineer Ii
Company: Mastercard |
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 supportLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 17 Jul 2026
Lead Software Engineer
Company: US Tech Solutions |
Duration: 24+ months Description: This job is a developing subject matter expert in the Software Engineering area..., scalable software solutions, ensuring security and operational resilience. Performs thorough code reviews, providingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 17 Jul 2026
Senior Software Engineer
Company: Mastercard |
, sprint planning, and design discussions Responsibilities Software Engineering & Development Design, build, test... to learn, with a passion for continuous improvement and delivering results. Strong hands-on experience in software engineeringLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
Senior Product Manager - Technical
Company: Mastercard |
with engineering, architecture, operations, and stakeholders to deliver scalable, secure, and resilient products that create value... throughout the end-to-end product development lifecycle. Works with Technical Program Managers, Software Engineers, and internalLocation: O'Fallon, MO, USA
| Salary: US$104000 - 177000 per year | Date posted: 17 Jul 2026
Senior Software Engineer
Company: Mastercard |
-quality software solutions. The ideal candidate brings strong software engineering fundamentals, hands-on Java development..., improve engineering practices, and support production readiness. Role As a Senior Software Engineer, you will independentlyLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
Manager, Software Engineering
Company: Mastercard |
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 capableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault... within the Site Reliability Engineering area by applying in-depth knowledge of their discipline and area best practicesLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
Lead Software Engineer - Level 6
Company: ICONMA |
. Responsibilities: This job is a developing subject matter expert in the Software Engineering area, influencing stakeholders...Our Client, a Credit Card Company, is looking for a Lead Software Engineer - Level 6 for their O FallonMO locationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Jul 2026
Manager Software Engineering
Company: Mastercard |
potential. Title and Summary Manager Software Engineering Overview Mastercard is seeking a Manager, Software Engineering... engineering excellence across the software development lifecycle while coaching and developing engineers, influencing technicalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
in software run principles that include operational design, automation, capacity planning, and monitoring that leads to fault... within the Site Reliability Engineering area by applying in-depth knowledge of their discipline and area best practicesLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 15 Jul 2026
Manager, Software Engineering
Company: Mastercard |
potential. Title and Summary Manager, Software Engineering Who is Mastercard? We work to connect and power an inclusive..., Software Engineering, to lead high-performing engineering teams responsible for building and supporting secure, scalableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Jul 2026
Lead Workday Engineer - Integrations And Extend
Company: Mastercard |
, automation, AI-assisted development, monitoring, and modern software engineering practices. Workday Extend certification... potential. Title and Summary Lead Workday Engineer - Integrations and Extend Overview The P&C Engineering team designsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 14 Jul 2026
Specialist, Product Development - Business Integration & Excellence
Company: Mastercard |
requirements to engineering teams and managing the Epics throughout the software engineering lifecycle. Collaborate closely.... Have expert knowledge in the Software Engineering Lifecycle. Be able to manage priorities and delegate tasks effectivelyLocation: O'Fallon, MO, USA
| Salary: US$83000 - 137000 per year | Date posted: 11 Jul 2026
Senior Software Engineer
Company: Diverse Lynx |
Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10... activities collaborating with other Engineers & Engineering Team. Ability to work with existing and evolve services with minimumLocation: O'Fallon, MO, USA
| Salary: US$65 per hour | Date posted: 11 Jul 2026
Senior Product Manager, Technical
Company: Mastercard |
in software engineering, computer science, information technology, business, or a related discipline preferred, or equivalent... helps issuers enhance cardholder value, drive engagement, and accelerate growth. Our agile product and engineering teamsLocation: O'Fallon, MO, USA
| Salary: US$104000 - 177000 per year | Date posted: 09 Jul 2026
Director, Product Management - Global Loyalty Platform Management
Company: Mastercard |
collaboration with engineering teams and delivery of high-quality software Lead and develop a team of product managers... and high-quality execution Partner closely with Product Owners, Engineering, and UX to ensure clarity of requirementsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Lead Software Engineer
Company: Mastercard |
payment processing at global scale. In this role, you'll combine deep software engineering expertise with technical... in Computer Science, Software Engineering, Information Technology, Mathematics, or a related field; equivalent practicalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Senior Software Engineer
Company: Mastercard |
. Collaborate with product managers, designers, architects, and engineering teams to deliver high-quality software solutions. Lead... activities. All About You Strong proficiency and experience in Full Stack Software Engineering. Strong proficiency in JavaLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 08 Jul 2026
Manager, Software Engineering
Company: Mastercard |
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 technologiesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Jul 2026
Manager, Software Engineering
Company: Mastercard |
potential. Title and Summary Manager, Software Engineering We are seeking a visionary and results-driven Engineering... teams to deliver high-quality, scalable software products on time and within budget. Champion engineering best practices