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$115k - $184k
...making transactions secure, simple, smart and accessible. Our technology and innovation,... ...NET Core database environments: Oracle, MS SQL Server Role The selected candidate... ...identify automation opportunities. Design, develop, and implement RPA solutions using...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO1 day ago$115k - $184k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...platforms to enhance functionality and streamline processes. Develop and maintain APIs for SaaS integrations, ensuring they are secure...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago$138k - $221k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...Platforms team is an excellent opportunity for you to design and develop the next wave of data innovation at MasterCard. Our program is...SuggestedFull timePart timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO1 day ago- ...connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions...Suggested
MasterCard
O Fallon, MO18 hours ago $112k - $187k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products...SuggestedFull timePart timeWorldwideFlexible hoursShift workMasterCard
O Fallon, MO2 days ago$100k - $105k
...offshore teams. Req. #873804476 Responsibilities Design and develop Java-based microservices architecture Ensure implementation... ...(Company Provided) Employee Assistance Program Unlimited access to LinkedIn learning solutions Matched 401(k) Retirement...SuggestedTemporary workFlexible hoursEPAM Systems Inc
O Fallon, MO3 days ago- ...able to code in C still. 1) Linux knowledge: being able to access the box won't be enough for this role. The candidate will need... ...learning new technologies and apply it to your team? Have you developed software before - preferably in Java or C/C++? Have you...SuggestedH1bLocal areaWorldwide
ShiftCode Analytics
O Fallon, MO4 days ago $200k - $320k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...curated from best practices in other Mastercard teams, or co-developed by A&T and engineers from the Guild. The Role: As an A&T...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$72k - $115k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$115k - $184k
...payments choices, making transactions secure, simple, smart, and accessible. Our technology and innovation, partnerships and networks... ...your career, we'd love to hear from you. Role Hands-on developer who writes high quality, secure code that is modular, functional...SuggestedFull timePart timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO3 days ago$138k - $221k
...Support security engineers in the evaluation of AI systems being developed and implemented. Compliance and Standards: Keep track of... ...measures for AI systems, including secure coding, encryption, and access controls. Strong analytical and problem-solving skills, with...SuggestedFull timePart timeFlexible hoursMasterCard
O Fallon, MO18 hours ago$115k - $184k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...software for combating scammers? The Payment Resiliency team develops new products for Mastercard's fraud prevention platform. We protect...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO8 hours agonew$138k - $221k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...Platforms, or Product bundles Work with business/product owners to develop and deliver on new services to introduce new products and...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO1 day ago$92k - $147k
...payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks... ...potential. Title and Summary Software Engineer II - iOS Developer Software Engineer II: Who is Mastercard? Mastercard is...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO18 hours ago- ...grade Java applications, design patterns, and performance optimization. # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and REST APIs. This indicates a strong understanding of how to build,...SuggestedFull time
Veracity
O Fallon, MO3 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...Work at office3 days per week
Veracity
O Fallon, MO1 day ago - ...owners Understands operational and engineering experience, actively works to improve experience and metrics in ownership area Develop complete understanding of end-to-end technical architecture and dependency systems Drive adoption of technology standards and...Contract workLocal area
ShiftCode Analytics
O Fallon, MO4 days ago - ...groundbreaking technology to enable wealth management professionals access to physical precious metals for their clients. Our software is... ...looking for: This is a contract remote role for a Front End Developer specializing in React JS and React Native. As a Front End...Full timeContract workWork experience placementRemote work
Gold Bullion International LLC
Saint Charles, MO15 days ago - ...development with deep experience in Java, microservices, and cloud-native technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-paced environment. Key Responsibilities: Design, develop, and...Full timeLocal area
Veracity
O Fallon, MO4 days ago - ...-1 ( Need only local candidates ) Visa : USC, GC, GC EAD, H4, L2 Description: We are looking for more junior java developers that have experience with testing that are looking to get into testing. Biggest thing will be confidence with reading code and...Local area
ShiftCode Analytics
O Fallon, MO4 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...Work at officeLeidos
Saint Charles, MO7 days ago- Job Title: Junior Email Marketing Developer Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. Location: On-Site (O’Fallon, MO) Position Type: Full-time Exempt Summary: Milestone Marketing...Full timeApprenticeshipWork at officeLocal areaFlexible hours
Automotive Product Consultants, LLC
O Fallon, MO1 day 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 ...Local area
RIT Solutions
O Fallon, MO2 days ago - ...: 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 in that Rest API knowledge is a plus Very Mu......Contract work
Staffing the Universe
O Fallon, MO4 days ago - ...reliability, performance, and are driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Software engineers at Mastercard build the systems that...Work experience placementInternship
MasterCard
O Fallon, MO18 hours ago - About Us: At *** (*** | Connected World, Connected Experiences), we live the philosophy of connected world and connected experiences. We thrive on change that is powered by the intelligent symphony of technology and humans designing meaningful and sustainable experiences...
Yantran LLC
O Fallon, MO4 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)...
RIT Solutions
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...Local area
RIT Solutions
O Fallon, MO2 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 ofRemote work
Samprasoft
O Fallon, MO3 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...
Staffing the Universe
O Fallon, MO1 day ago
