Get new jobs by email
- 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 - 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, MO21 hours 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 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 - Job Description Job Description Hi, Greetings from Resource Informatic Group! We are urgently looking for a “Software DevelopmentEngineer II” in O’fallon MO. please go through with below JD & send me thematching profiles: Job Description: Role : Software...SuggestedWork experience placementRemote work
Resource Informatics Group Inc
O Fallon, MO15 days ago - Job Title Need strong Testng, Selenium, Java Coding experience Must have: 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...Suggested
Staffing the Universe
O Fallon, MO2 days ago - Job Description Job Description Hi, Greetings from Resource Informatic Group! We are urgently looking for a “Lead Front End Developer” in O’fallon MO. please go through with below JD & send me the matching profiles: Job Description: Role : Lead Software...SuggestedWork experience placementRemote work
Resource Informatics Group Inc
O Fallon, MO15 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 $138k - $221k
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$115k - $184k
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO4 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 our AI systems and data. Your role will involve deep technical expertise in designing, implementing, and maintaining advanced security...SuggestedFull timePart timeFlexible hoursMasterCard
O Fallon, MO1 day 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 $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
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- Job Description Job Description Who we are: Founded in 2009, GBI ( is a rapidly growing fintech/commodities company, building groundbreaking technology to enable wealth management professionals access to physical precious metals for their clients. Our software...SuggestedFull timeContract workWork experience placementRemote work
Gold Bullion International LLC
Saint Charles, MO16 days ago - Job role: Senior Software Engineer- (Azure, M365) Location: O'Fallon Missouri (Local Candidates ONLY or willing to relocate.) Duration: 12 months+ Overview - The overall objective of this engagement is to manage and execute an organizational network analysis...Local areaRelocationFlexible hours
- 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 - Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from...Full timeImmediate start
- Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from...Full timeLocal areaImmediate start
$110k - $200k
Direct Hire Opportunity with Full Benefits. Excellent 401K matching! This Jobot Job is hosted by: Brooke Meyer Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $110,000 - $200,000 per year A bit about us: We specialize...Local area- Hi, Our client is looking for a Senior Mainframe Developer with a Full Time in O'Fallon, MO. below is the detailed requirement. Position : Senior Mainframe Developer Location : O'Fallon, MO Duration : Full Time Mandatory Skills:...Full time
- At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next. Our vision is to bring adaptive innovation...Full time
