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$115k - $184k
...capabilities and effectiveness of solutions • Design effective rule strategies to identify and provide solutions for customers • Develop and implement rule changes in an agile environment • Validate rule changes against transactions data and ensure quality is...SuggestedFull timePart timeWork experience placementWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago$92k - $147k
...Contribute to the design, development, testing, and implementation of software solutions under guidance from senior engineers • Develop and maintain application code in accordance with established engineering, quality, and security standards • Create and execute unit...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, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making ...SuggestedFull timePart timeWork experience placementWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago$92k - $147k
...Title and Summary Software Engineer II Overview: Mastercard’s Decision Management Platform team is seeking a Software Developer II to design, develop, and deliver scalable, secure, and high-quality software solutions. In this role, you will contribute to the...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO2 days ago- ...benefits package, including medical, dental, vision, life, 401k, and discounted tuition at Lindenwood University! We believe in developing our people and getting results. When it comes to leadership roles we believe in promoting from within, so you have the opportunity...SuggestedWork at officeFlexible hours
CarShield
Cottleville, MO2 days ago $212k - $339k
...incident management. • Improve system uptime, latency, throughput, and deployment efficiency through data driven KPIs. • Recruit, develop, and retain top engineering talent while fostering a culture of innovation, accountability, and execution. • Provide coaching and...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO2 days ago$140k - $231k
...Summary Lead Software Engineer Overview Be part of the Artificial Intelligence & Decision Processing Engineering team developing new capabilities for MasterCard's Decision Management Platform, which serves as the core for multiple business solutions to combat...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago$212k - $339k
...mission-critical systems. • Own operational excellence, including SLAs, observability, and incident management. • Build, lead, and develop a high-performing organization of engineering managers and senior technical leaders. • Set clear goals, performance expectations,...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO2 days ago$170k - $281k
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 ...SuggestedFull timePart timeRemote workWork from homeWorldwideFlexible hoursMastercard
O Fallon, MO1 day ago$170k - $281k
...with usage of AI with deep expertise in Fraud Rules practices. You will work closely with senior leaders and engineering teams to develop solutions aligned with the AI & DPE technology roadmap. The ideal candidate brings experience in modernizations and large scale...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago$140k - $231k
...collaboration, and continuous integration across multiple agile feature teams . You will collaborate closely with Quality Engineers, Developers, Operations, DevOps, Product Management, and Program Management to define scope, influence best practices, and deliver high‑...SuggestedFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago$140k - $231k
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 ...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago- ~ Key Skills and Experience: (8+yrs) ~ Strong hands on experience in Java(J2ee) ~ Strong in webservices (microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or Azure) ~ Ability to drive end to end development, performance code reviews...Suggested
Exaways Corporation
O Fallon, MO1 day ago $60k - $135k
...Job Title: Java Developer City: O Fallon State/Province: Missouri Posting Start Date: 4/20/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions...SuggestedMinimum wageLocal areaWipro
O Fallon, MO12 hours ago- ...with 'Scale @ Speed' as our guiding principle. Location: Day -1 Onsite Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected candidate will have to write scalable, robust, and easy-to-maintain...Suggested
Procyon TS
O Fallon, MO12 hours 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, MO12 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 C/C++? Have you spent time in Linux environments? Have you created scripts to automate...H1bWorldwide
ShiftCode Analytics
O Fallon, MO12 hours ago - ...compliance to the defined standards. Actively look for opportunities to modify and enhance standards per the needs of the department. # Develop documentation templates, lead and enforce development of documentation throughout the development lifecycle of the solution. #...
ShiftCode Analytics
O Fallon, MO4 days ago - ...India. Under a new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle. Title: Java Developer - Databricks consultants Location: Ofallon, MO Roles and responsibilities: Data Engineering with Medallion Architecture...
Yantran LLC
O Fallon, MO12 hours 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, MO12 hours ago - ...Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud, Cucumber, J2EE, Java, Junit, Microservices, Selenium, Spring Boot, SQL What are your top three required technical skills?...Work experience placement
Maintec Technologies
O Fallon, MO12 hours ago - ...marital status. We also are a Google Cloud partner company. We align strategy with execution and provide secure service solutions by developing and using the latest technologies that thrive our resources to deliver industry-leading capabilities to our clients and customers...
InterSources
O Fallon, MO1 day ago - About the job Lead SDET Engineer Lead SDET Engineer needs 6+ years with Master or 8+ years with Bachelors of hand on experience in software development in test automation, concurrent coding skills in Java. Lead SDET Engineer requires: Test automation experience...
Global Channel Management
O Fallon, MO12 hours ago $88k - $130k
Position Title: Senior Salesforce Engineer- Financial Services Cloud Locations: Weldon Spring_MO Time Type: Full time Req ID: JR1200-Weldon Spring_MO At Midland, we’re proud to be a little different. You can see it in our bright orange signs-but there’s more to it than ...Full timeContract workTemporary workWork at officeFlexible hoursMidland States Bank
Cottleville, MO2 days ago- ...Role: Java Developer (Backend) Location: O' Fallon, MO (Onsite from day 1) Duration: 6-12+ Months Job Description: Interview Process: 3 rounds will be Zoom Video • Strong Java developer with very good understanding of micro services...Work experience placement
Zortech Solutions
O Fallon, MO12 hours ago - ...Job Title: Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking a skilled Java Backend Developer with a strong background in software development to join our dynamic team. The ideal candidate will...
Yantran LLC
O Fallon, MO1 day ago - ...Title: Full Stack Java Developer Location: Ofallon, MO 63368 Type: Contract Duration: Long Term Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected candidate will...Contract work
NR Consulting
O Fallon, MO4 days ago - A leading financial services firm in Lake Saint Louis is looking for an AI Engineer to support the development of solutions using Microsoft AI tools. This role includes configuring AI agents, enhancing performance, and ensuring smooth integration across various business...
- ...and maintain AI strategies that have already been defined, ensuring reliable deployment and performance across business functions. Develop, test, and refine prompt structures and techniques to improve the quality, accuracy, and tone of AI responses within Copilot and related...
- Role: Architect/Tech Lead - Java & AWS Location: O'FALLON, ST. Louis, MO Mode of interview: Face to Face Project Scope : The one of key applications, designed to support highly scalable transaction processing (billion transactions/day) using business ...Remote work
Diverse Lynx
O Fallon, MO1 day ago
