Engineer jobs in o'fallon USA
62 engineer jobs found in o'fallon: showing 1 - 50
Lead Database Platform Engineer
Company: Mastercard |
potential. Title and Summary Lead Database Platform Engineer Overview Mastercard is a global technology company in the.... We are seeking a Lead Database Platform Engineer to provide technical leadership, platform strategy, automation expertiseLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Aug 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview Mastercard is seeking a Lead Software Engineer to serveLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Aug 2026
Lead Postgresql Engineer
Company: Mastercard |
potential. Title and Summary Lead PostgreSQL Engineer Overview The Database Engineering team is seeking a Lead Platform... Engineer to lead the design, engineering, automation, modernization, and operational excellence of Mastercard's enterpriseLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Aug 2026
Operating Engineer - Event Facility
Company: Jones Lang LaSalle |
industry, join our team as we help shape a brighter way forward. Operating Engineer Event Facility Position Summary The... Operating Engineer is a skilled technical professional responsible for the hands-on operation, maintenance, and repairLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Aug 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: 05 Aug 2026
Agentic Ai Engineeer
Company: Diverse Lynx |
Pay Rate: $50/hr Location: O Fallon, MO - onsite Duration: 12 months Job Description: Java Backend EngineerLocation: O'Fallon, MO, USA
| Salary: US$50 per hour | Date posted: 04 Aug 2026
Site Reliability Engineer Ii
Company: Mastercard |
potential. Title and Summary Site Reliability Engineer II The BizOps team at Mastercard is looking for a Site Reliability... Engineer (SRE) who thrives on solving complex problems, building robust CI/CD pipelines, and leading the organization in DevOpsLocation: O'Fallon, MO, USA
| Salary: US$76000 - 127000 per year | Date posted: 04 Aug 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: 03 Aug 2026
Agentic Ai Engineer
Company: Diverse Lynx |
Job Description: Java Backend Engineer with Agentic AI skills. Java with Spring Boot - Mandatory ExperienceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 31 Jul 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: 31 Jul 2026
Software Engineer Java
Company: Korn Ferry |
transactions regardless of channel. Responsibilities: The Software Development Engineer is a hands-on developer specializingLocation: O'Fallon, MO, USA
| Salary: US$60 - 75 per hour | Date posted: 29 Jul 2026
Software Engineer Ii - Level 8
Company: US Tech Solutions |
Duration: 12+ months Description: This job works independently on elements of projects/processes within the Software Engineering area by applying intermediate/practical knowledge and area best pracLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Jul 2026
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer... for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scaleLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview: At Mastercard, our industry expertise is enhancedLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Jul 2026
Tooling Design Engineer
Company: Actalent |
Job Title: Tooling Design EngineerJob Description We are seeking a highly skilled Tooling Design Engineer to analyzeLocation: O'Fallon, MO, USA
| Salary: US$90000 - 100000 per year | Date posted: 28 Jul 2026
Senior Software Engineer -java
Company: Korn Ferry |
Role Overview You will design and build the next-generation Decision Management Platform, the real-time system that scores and approves billions of payment transactions. This is a hands-on role whereLocation: O'Fallon, MO, USA
| Salary: US$60 - 80 per hour | Date posted: 28 Jul 2026
Lead Service Management Engineer
Company: Mastercard |
potential. Title and Summary Lead Service Management Engineer Who is Mastercard? We work to connect and power... better decisions, drives innovation, and delivers better business results. Overview : We are seeking a Lead Data EngineerLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 Jul 2026
Java Ai Engineer
Company: Diverse Lynx |
Role - Java AI Engineer Experience Required - 5+ Years We are seeking a highly skilled Java DeveloperLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Jul 2026
Senior Ai Engineer
Company: Mastercard |
potential. Title and Summary Senior AI Engineer Mastercard's Business & Market Insights (B&MI) group empowers... that drive measurable business outcomes and sustained competitive advantage. We are looking for a Senior AI Engineer, GenerativeLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 25 Jul 2026
Tool Design Engineer
Company: O'Fallon Casting |
Accelerate your career. Join the organization that's delivering industry leading aluminum investment castings that change the world. O'Fallon Casting is a leader in the aluminum investment casting mLocation: 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 theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 24 Jul 2026
Software Engineer Ii
Company: ICONMA |
Our Client, a Credit Card company, is looking for a Software Engineer II for their O'Fallon, MO/Hybrid locationLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Java Backend Engineer With Agentic Ai
Company: Artech Information Systems |
Request ID: 100754-1 Title: Java Backend Engineer with Agentic AI Location: O Fallon, MO Duration: 6+ MonthsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Jul 2026
Lead, Kubernetes Platform Engineer
Company: Mastercard |
potential. Title and Summary Lead, Kubernetes Platform Engineer Overview Mastercard's Kubernetes Platform Engineering... team is seeking a highly skilled Lead Kubernetes Platform Engineer to drive the strategy, architecture, and evolutionLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Jul 2026
Lead Software Engineer
Company: Korn Ferry |
We have partnered with our client in their search for a Lead Software Engineer in O'Fallon, MO. Responsibilities... Bachelor's degree in related field 7+ years of experience Title Lead Software Engineer Location O'Fallon, MO ClientLocation: O'Fallon, MO, USA
| Salary: unspecified | 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 opportunityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 Jul 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineerLocation: 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
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: 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
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: 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: 17 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
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: 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: 14 Jul 2026
Lead Workday Engineer - Integrations And Extend
Company: Mastercard |
potential. Title and Summary Lead Workday Engineer - Integrations and Extend 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: 14 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: 07 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: 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: 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 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
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 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
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: 25 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 steward