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- ...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)...Senior
RIT Solutions
O Fallon, MO1 day 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 ofSeniorRemote work
Samprasoft
O Fallon, MO3 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... ...Description Java, Spring, and Spring Boot Required. Everything is developed in that Rest API knowledge is a plus Very Mu......SeniorContract work
Staffing the Universe
O Fallon, MO4 days 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...SeniorContract workLocal area
ShiftCode Analytics
O Fallon, MO4 days ago $115k - $184k
...Senior Software Engineer Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with... ...career, we'd love to hear from you. Role Hands-on developer who writes high quality, secure code that is modular, functional...SeniorFull timePart timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO3 days ago$115k - $184k
...governments realize their greatest potential. Title and Summary Senior Software Engineer (Testing Focus) Overview •Been the... ...software for combating scammers? The Payment Resiliency team develops new products for Mastercard's fraud prevention platform. We...SeniorFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO5 hours agonew- ...Job Title: Senior Software Engineer Overview: Job Overview Responsible for the analysis, design, development and delivery... ...adhering to MasterCard standards, processes and best practices. Develop, customize, and test applications to integrate to MasterCard's...SeniorWork experience placement
MasterCard
O Fallon, MO4 days ago - Job Title: Senior Email Marketing Developer The following information provides an overview of the skills, qualities, and qualifications needed for this role. Reporting to: Marketing Operations Specialist Location: On-Site (O’Fallon, MO) Position Type: Full-time...SeniorFull timeApprenticeshipWork at officeLocal areaFlexible hours
Automotive Product Consultants, LLC
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...Senior
MasterCard
O Fallon, MO15 hours ago $115k - $184k
...Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET) Our Purpose Mastercard powers economies and empowers people... ...process and identify automation opportunities. Design, develop, and implement RPA solutions using Automation Anywhere 360. Partnering...SeniorFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO1 day ago$115k - $184k
...realize their greatest potential. Title and Summary Senior Software Engineer - Cloud Platforms Overview: Join our mission... ...to enhance functionality and streamline processes. Develop and maintain APIs for SaaS integrations, ensuring they are secure...SeniorFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago$200k - $320k
...Architecture &Technology (A&T) is a team of specialists and senior engineers who reach across Programs and teams across Mastercard... ..., 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...SeniorFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- ...relates to building, supporting and implementing full stack Java solutions within the rest of the application environment. Will also develop Angular on the front end. Any ERP experience is nice to have as well. The existing team is strong in their working knowledge but...SeniorFull timeLocal areaRemote workRelocation
Timeless Technology Solutions
Dardenne Prairie, MO15 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...Senior
Yantran LLC
O Fallon, MO4 days ago - ...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...SeniorFull time
- Agile Project Manager Role Need more resumes!! Agile Project Manager role (not a TPM). For this role the manager would like to see someone out of banking/financial services. Payments experience is just a plus.Senior
Samprasoft
O Fallon, MO1 day ago - Sr. Sdet Location: O'Fallon, MO (on site from day1) Full Time Mandatory: API Testing Note Please don't send UI testing profiles Job Description: Key Skills and Experience: Hands on Java/Rest API testing experience Test automation, Ops gating, Integration Testing Rest...SeniorFull time
Veracity
O Fallon, MO1 day 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...SeniorLocal areaRelocationFlexible hours
$200k - $320k
...governments realize their greatest potential. Title and Summary Senior Principal Data Architect - Finance Modernization Mastercard... ...micro services, and event driven processing. • Has skills to develop and evangelize on reference architecture and run principles to...SeniorFull timePart timeWorldwideFlexible hoursMasterCard
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 - ...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, MO5 days 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 - ...-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 - ...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,...Full timeLocal area
Veracity
O Fallon, MO4 days ago $92k - $147k
...that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II - iOS Developer Software Engineer II: Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is...Full timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO15 hours ago- ...passion for solving complex technical challenges? Do you love learning new technologies and apply it to your team? Have you developed software before - preferably in Java or C/C++? Have you spent time in Linux environments? Have you created scripts to...H1bLocal areaWorldwide
ShiftCode Analytics
O Fallon, MO4 days ago - ...optimization. # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and... ...collaborating across teams. This person would fit well into a senior or lead developer role, where they can leverage their deep Java...Local area
Damco Solutions
O Fallon, MO1 day ago - ...Job Title: Junior Email Marketing Developer Location: On-Site (OFallon, MO) Position Type: Full-time Exempt Summary: Milestone... ...Level) * Build and test email templates under guidance from senior team members * Assist with campaign setup, QA, and deployment...Full timeApprenticeshipWork at officeLocal areaFlexible hours
Automotive Product Consultants Llc
O Fallon, MO2 days ago $72k - $115k
...security, reliability, and performance to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Are you passionate about software engineering? Do...Full timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$100k - $105k
...We are seeking a senior-level Java Software Engineer with strong technical expertise to guide development efforts and drive high-quality... ...teams. Req. #873804476 Responsibilities Design and develop Java-based microservices architecture Ensure implementation...Temporary workFlexible hoursEPAM Systems Inc
O Fallon, MO3 days ago
