Engineer jobs in o'fallon USA
59 engineer jobs found in o'fallon: showing 1 - 50
Lead Software Development Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Development Engineer Overview The Lead Software Development EngineerLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Jul 2026
Senior Software Development Engineer
Company: Mastercard |
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
Software Development Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Development Engineer II Overview The Software Development Engineer II... is an experienced software engineer specializing in Java development and microservices architecture. This role independently developsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 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, influencing stakeholders and applying advanced knowledge to drive achievement of aLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Jul 2026
Software Development Engineer
Company: Mastercard |
potential. Title and Summary Software Development Engineer Overview The Software Development Engineer is an early-career... software engineer specializing in Java development with a focus on building microservices that support Mastercard's highLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 17 Jul 2026
Qlik Sense Application Engineer - Hybrid
Company: Smart IMS Inc |
Job Title: Qlik Sense Application Engineer - Hybrid Duration (Contract): 24 Months Client Location: O'Fallon..., Missouri Location Preference: Hybrid Job Description: As a Qlik Sense Application Engineer, you will be responsibleLocation: O'Fallon, MO, USA
| Salary: US$40 - 80 per hour | Date posted: 17 Jul 2026
Operator
Company: City of O'Fallon |
Senior Plant Engineer Assist with groundskeeping and snow removal Work varying shifts in a 24/7 facility MinimumLocation: O'Fallon, MO, USA
| Salary: US$24.74 - 30.07 per hour | Date posted: 17 Jul 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 collaborateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates... is for a Senior Software Engineer who will contribute to the design, development, validation, automation, and operability of highLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Jul 2026
Operator
Company: O’Fallon |
Senior Plant Engineer Assist with groundskeeping and snow removal Work varying shifts in a 24/7 facility MinimumLocation: O'Fallon, MO, USA
| Salary: US$24.74 - 30.07 per hour | Date posted: 16 Jul 2026
Lead Software Engineer - Level 6
Company: ICONMA |
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
Senior Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRELocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRELocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 15 Jul 2026
Lead Software Integration Engineer - Workday
Company: Mastercard |
potential. Title and Summary Lead Software Integration Engineer - Workday Overview The P&C Engineering team designs... architecture and guide engineering teams toward the right solution? This role serves as a Lead Integration Engineer, responsibleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 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 6-10Location: O'Fallon, MO, USA
| Salary: US$65 per hour | Date posted: 11 Jul 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview: Mastercard's Global Credit Authorization team is seeking... a Lead Software Engineer (C/C++) to build and enhance high-performance, mission-critical systems that power secure, reliableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercards Network & Digital Payments group creates...? Are you agile with a desire to exhibit your skills at the cutting edge with a high standard for excellence? As a Senior EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 08 Jul 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview The Mastercard Authentication Program owns how consumer..., cloud, and on-prem). As a Software Engineer II, you will contribute to building scalable backend services using JavaLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 08 Jul 2026
Sre Engineer
Company: Wipro |
Jobs Job Description Apply now Start Please wait... Job Title: SRE ENGINEER City: O Fallon State/Province: Missouri Posting Start Date: 7/3/26Location: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 04 Jul 2026
Director, Platform Engineering
Company: Mastercard |
, and automation libraries that standardize infrastructure deployment patterns. Engineer and enhance platform services, includingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 Jul 2026
Senior Software Engineer (java/jee)
Company: Diverse Lynx |
Senior Software Engineer (JAVA/JEE) Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Contract Rate - $65Location: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Jul 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview: The Mastercard Developer Workbench, part of the MSBXLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Jul 2026
Senior Software Engineer– Rpps Platform
Company: Mastercard |
potential. Title and Summary Senior Software Engineer RPPS Platform Who is Mastercard? Mastercard powers economies... Solutions organization is seeking a Senior Software Engineer to join the RPPS (Remote Payment and Presentment System) platformLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Jul 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who We Are Mastercard powers economies and empowers people in 200... Software Engineer to build and enhance critical payment processing services that support issuer account management, transactionLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
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 criticalLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
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 productsLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Site Reliability Engineer Ii
Company: Mastercard |
potential. Title and Summary Site Reliability Engineer II Site Reliability Engineer II Who is Mastercard... Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRELocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 01 Jul 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... to prioritize needs and to build relationships is a must. For work on our dev ops team, engineer with experience in industryLocation: O'Fallon, MO, USA
| Salary: US$163000 per year | Date posted: 01 Jul 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: 01 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRELocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Jul 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: 01 Jul 2026
Site Reliability Engineer Ii
Company: Mastercard |
potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At Mastercard technology, we work to connect... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRELocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 01 Jul 2026
Senior Platform Engineer – Database Administration (aws Focus)
Company: Mastercard |
potential. Title and Summary Senior Platform Engineer Database Administration (AWS Focus) Overview The Senior Platform... Engineer Database Administration is responsible for designing, implementing, and managing scalable, secure, and highlyLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 30 Jun 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview: Mastercards Global Credit Authorization team is seeking... a Software Engineer II (C/C++) who is passionate about building high-performance, mission-critical systems that operate at globalLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Jun 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy... for you! Role As a Lead Software Engineer, you will be responsible for: Design and develop secure, reliable, and scalableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Jun 2026
Site Reliability Engineer Ii
Company: Mastercard |
potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At Mastercard technology, we work to connect... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRELocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 26 Jun 2026
Senior Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRELocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 26 Jun 2026
Site Reliability Engineer Ii
Company: Mastercard |
potential. Title and Summary Site Reliability Engineer II Site Reliability Engineer II Who is Mastercard... Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRELocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 18 Jun 2026
Senior Service Management Engineer
Company: Mastercard |
potential. Title and Summary Senior Service Management Engineer We are seeking a Senior Reliability Engineer/ Certificate... Lifecycle Management Engineer. The role of Business Operations Organization is to be the production readiness stewardLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 18 Jun 2026
Lead, Enterprise Operations - Messaging
Company: Mastercard |
is seeking a Lead Messaging & Collaboration Engineer to own and evolve Mastercards enterprise email ecosystem across MicrosoftLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 Jun 2026
Senior Data Engineer
Company: Mastercard |
potential. Title and Summary Senior Data Engineer About the Role As a Senior Data Engineer, youll take ownershipLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Jun 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: 12 Jun 2026
Lead Software Engineer
Company: Mastercard |
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 authenticationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jun 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... secure, scalable, and high-performing software for Mastercards Identity Solutions platform. As a Senior Software EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 06 Jun 2026
Software Engineer Ii
Company: Mastercard |
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 IILocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 04 Jun 2026
Region Landfill Engineer
Company: Waste Connections |
Region Landfill Engineer -- Lead the Future of Sustainable Solid Waste Management At Waste Connections, engineers... environment, and build for the future. As a Region Engineer, youll be the goto partner for leaders across multiple statesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Jun 2026
Region Landfill Engineer
Company: Waste Connections |
Region Landfill Engineer -- Lead the Future of Sustainable Solid Waste Management At Waste Connections, engineers... environment, and build for the future. As a Region Engineer, youll be the goto partner for leaders across multiple statesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Jun 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... Technology Development team is seeking a Senior Software Engineer to drive innovation and enhance customer experience throughLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 28 May 2026
Senior Software Engineer
Company: Mastercard |
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 responsibleLocation: 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