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$115k - $184k
...and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer - Cloud Platforms Overview: Join our mission-driven team building the future of digital commerce on our rapidly scaling...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago- ...Software Engineer I Location: O'Fallon, MO (Local is Preference) Linux operating and scripting Python with API automation- scripting automation for day to day task Cryptography- how the cert works, and managing it Python or Java- understanding how they run...SuggestedLocal area
RIT Solutions
O Fallon, MO3 days ago - ...Software Engineer I, Launch Program 2026 Mastercard works to connect and power a sustainable and inclusive global economy. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless...SuggestedWork experience placementInternship
MasterCard
O Fallon, MO1 day ago - ...Software Engineer II Location: O'Fallon, Missouri (Main Campus) --- Local Candidates Only!! Duration: End of 2025 Glider: Software Engineer II - (Apache Spark, Airflow, Databricks, AWS, CICD and Coding(Java/Python/Scala); What are your top 3 required technical skills...SuggestedLocal area
RIT Solutions
O Fallon, MO3 days ago - ...Senior Software Engineer (iOS Developer) Location: St Louis, Missouri Duration: 12 months Glider: Software Engineer ADVANCED What are your top 3 required technical skills? Advanced level knowledge of native iOS development (Swift/Objective-C/Swift UI)...Suggested
RIT Solutions
O Fallon, MO2 days ago $115k - $184k
...Senior Software Engineer Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices...SuggestedFull timePart timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO4 days ago- ...Senior Software Engineer O'Fallon, Missouri contract Rate: DOE U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor the currently Job Description Java, Spring, and Spring Boot Required. Everything is developed...SuggestedContract work
Staffing the Universe
O Fallon, MO5 days ago - Senior Software Dev Engineers O'Fallon MO (remote FOR NOW but will need to eventually be onsite) We can consider fully remote for a very strong candidate Looking for 2 Senior Software Dev Engineers This is part ofSuggestedRemote work
Samprasoft
O Fallon, MO4 days ago - ...Lead Full Stack Engineer Job Location: O'Fallon, MO (Hybrid onsite 3 days/week) Job Travel Location(s): Must be able to travel to office as needed Positions: 1 Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities: Lead...SuggestedWork at office3 days per week
Veracity
O Fallon, MO2 days ago $85.15k - $153.93k
...Job Description Description The Leidos FS2 Aero team has an opening for an experienced Full Stack Software Developer r to modify existing code and integrate software solutions for the Aeronautical Navigation Office. The ideal candidate has an excellent understanding...SuggestedWork at officeLeidos
Saint Charles, MO8 days ago$138k - $221k
...greatest potential. Title and Summary Lead Data Platform Engineer Overview: Are you an experienced data platform engineer with... ...teams, including data scientists, data analysts, and software engineers, to help drive data-driven decision making throughout...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- ...Senior Azure Platform Engineer Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using...Suggested
MasterCard
O Fallon, MO1 day ago $138k - $221k
...services that help people, businesses and governments realize their greatest potential. Title and Summary Manager, Software Engineering Overview Responsible for the analysis, design, development and delivery of software solutions Defines requirements for...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$138k - $221k
...Lead, AI Security Engineer As an Information Security Engineer specializing in AI Security, you will be at the forefront of protecting... ...Secure AI Development: Collaborate with data scientists and software engineers to integrate security best practices into the AI development...SuggestedFull timePart timeFlexible hoursMasterCard
O Fallon, MO1 day ago$115k - $184k
...Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET) Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- ...Bachelors or Masters in CS or related degrees. Minimum of 6+ years with Master or 8+ years with Bachelors of hand on experience in software development in test automation, concurrent coding skills in Java. Test automation experience using open source technologies and/or...
Staffing the Universe
O Fallon, MO2 days ago - ...Intern, Information Security - Engineering Mastercard works to connect and power a sustainable and inclusive global economy. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless...Summer workInternshipSummer internshipWork at office
MasterCard
O Fallon, MO2 days ago - ...Data Engineer I, Launch Program 2026 Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments...Full timePart timeWork at officeWorldwideFlexible hours
Missouri Staffing
O Fallon, MO3 days ago - Job Title: Junior Email Marketing Developer Location: On-Site (OFallon, MO) Position Type: Full-time Exempt Summary: Milestone Marketing Solutions is looking for a marketing professional looking to specialize in data-driven email deployment and analytics. From...Full timeApprenticeshipWork at officeLocal areaFlexible hours
Automotive Product Consultants Llc
O Fallon, MO3 days ago $138k - $221k
...Lead Software Engineer Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data...Full timePart timeFlexible hoursMasterCard
O Fallon, MO1 day ago$138k - $221k
...Lead Data Engineer Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making...Full timePart timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO6 days ago$119k - $190k
...is product management role that is also technical in nature and works closely with customers, Technical Program Managers, Software Design Engineers, and User Experience. You will define and guide products, that may be technical, from conception to launch by connecting...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO3 days ago$119k - $190k
...roadmap for technical platforms and back-office batch processes integrated with transactional APIs. • Act as product owner for engineering teams, writing and prioritizing epics, features, and user stories with strong technical context in reconciliation and reporting....Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO4 days ago$119k - $190k
...product teams to enable their business goals through scalable AI and decisioning solutions. PM-Ts integrate expertise from architects, engineering PM-Ts, and technical program managers to define and execute actionable roadmaps that align with enterprise and product priorities...Full timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO3 days ago$119k - $190k
...businesses and governments realize their greatest potential. Title and Summary Lead Product Manager- Technical Leads software engineering projects and creates the development and delivery of enhanced software solutions. Researches alternative technical solutions...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO3 days ago- ...languages * Experience with responsive HTML design, preferably in emails * Experience with Handlebars, EJS, or other HTML templating engines * Experience with Salesforce Marketing Cloud Engagement (formerly ExactTarget) * An understanding of REST and SOAP APIs *...Full timeApprenticeshipWork at officeLocal areaFlexible hours
Automotive Product Consultants, LLC
O Fallon, MO1 day ago $119k - $190k
...understand their business needs and translate to business and functional requirements • Work cross-functionally with project managers and engineering teams to gather estimates, create designs and drive the delivery of business and functional requirements • Act as the voice of...Full timePart timeWorldwideFlexible hoursShift workMastercard
O Fallon, MO3 days ago$119k - $190k
...operations in a DevOps model •Experience with XP, TDD and BDD in the software development processes •Proven track record of data driven... ...leadership while commanding the respect of the individual engineers across the organization •Deep understanding of the platform, the...Full timeTemporary workPart timeWorldwideFlexible hoursShift workMastercard
O Fallon, MO1 day ago$119k - $190k
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making ...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO4 days ago$119k - $190k
...UX designers, and internal customers to define the details behind the business requirements Refine user stories to be walked with engineering teams and clarify/follow up on open queries. Ensures business requirements are accurately captured through collaboration with...Full timePart timeRemote workWorldwideFlexible hoursMastercard
O Fallon, MO1 day ago
