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- ...record in ML pipeline design including LSF and NiFi Experience in designing large-scale data-intensive applications Parallel programming experience with Python in Unix Corporate Security Responsibility: Abide by Mastercard’s security policies and...SuggestedFor contractorsH1bWork at officeLocal area
Samprasoft
O Fallon, MO2 days ago - Global Credit Card Authorization Team Opportunity This is an exciting opportunity for you to join the global credit card authorization team. The system facilitates billions of transactions among issuers, acquirers, and service providers. We are looking for engineers...Suggested
Samprasoft
O Fallon, MO2 days ago - ...Java Lead Role - Java Lead Experience Required - 6+ Years Must Have Technical/Functional Skills Object-oriented Programming Web services & API standards (REST/OAuth/JSON) Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell...Suggested
ClifyX
O Fallon, MO2 days ago - Senior Java Backend Developer O'Fallon, Missouri [Onsite] Job Description: ~6+ years of experience in backend development using Java. ~ Strong expertise in Core Java, Spring Boot, and REST APIs. ~ Hands-on experience with Kafka / event streaming platforms...Suggested
E-Solutions
O Fallon, MO3 days ago - Technical Lead Day one ONSITE; O'fallon, MS Sound knowledge of: Java stack (including Spring framework, Spring Batch, etc), React, Rest APIs, SQL (with solid experience working with Oracle) Job Role: Should be capable of responding to customer queries and resolving...Suggested
Futran Tech Solutions Pvt. Ltd.
O Fallon, MO1 day ago $115k - $184k
...territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The Decision Management Program (DMP) delivers industry‑leading intelligence that enables faster, smarter decisioning at global scale across the payment journey...SuggestedFull timePart timeWork experience placementWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$195k
Mastercard seeks a Senior Site Reliability Engineer in Financial Services within the IT & Data Management team. You’ll design, build, and optimize resilient, secure, and scalable platforms that power global payments. Partner with software and data teams to improve reliability...SuggestedMastercard
O Fallon, MOa month ago- C++ Developer – Replacement Location: OFALLON, MO – DAY 1 Onsite (hybrid) Duration: Long Term Number of openings: 1 Roles and Responsibilities: Need someone who can analyze C/C++ code and find performance bottlenecks. Proficient in C/C++ Proficient...Suggested
Zortech Solutions
O Fallon, MO1 day ago $180k
Mastercard is seeking a Senior Site Reliability Engineer to enhance reliability, scalability, and performance of our critical IT & Data Management platforms. You will design resilient architectures, automate deployments, and champion observability to ensure always-on services...SuggestedMastercard
O Fallon, MOa month ago$212k - $339k
...Mastercard is seeking a Vice President, Software Engineering to lead the Authorization Decisioning domain within the Decision Management program. This role is accountable for advancing a portfolio of market-facing products by leading and scaling high-performing teams of...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMasterCard
O Fallon, MO4 days ago$205k
Mastercard is seeking a Lead Site Reliability Engineer to drive reliability, scalability, and security for mission-critical financial services platforms. You will design and optimize cloud-native, highly available systems, implement SRE best practices, and lead incident...SuggestedMastercard
O Fallon, MOa month ago$96k - $163k
...and visualization of metrics, logs, and traces to support incident detection, diagnosis, and continuous service improvement. • Programming and Scripting - Ability to write and maintain code and scripts to automate tasks, build operational tools, and support monitoring...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO11 hours ago- A leading IT consulting firm is seeking a ServiceNow Developer to enhance and maintain their ServiceNow platform. Candidates must have extensive experience in ServiceNow development and hold an active DoD Secret clearance. This role involves collaboration with various teams...Suggested
$76k - $127k
...and visualization of metrics, logs, and traces to support incident detection, diagnosis, and continuous service improvement. Programming and Scripting - Ability to write and maintain code and scripts to automate tasks, build operational tools, and support monitoring...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO11 hours ago- CACI International Inc. is looking for a Deputy Program Manager in O'Fallon, Illinois, to lead a large scale SAP S/4HANA transportation management project for the DoD. This role requires collaboration with various teams and stakeholders, ensuring project milestones are...SuggestedFlexible hours
$99k - $225k
...real-world challenges faced by the Department of War. Candidates should have experience with Large Language Models and necessary programming skills. The position offers a comprehensive salary range from $99,000 to $225,000 annually and an opportunity to contribute to mission...- ...science concepts. Evidence of working with object-oriented development and design patterns. Proficiency in multiple modern programming languages such as Java, Python, C++ etc. Strong written and verbal English communications skills. Strong analytical and excellent...Work experience placementFlexible hours
Samprasoft
O Fallon, MO2 days ago $99k - $225k
Booz Allen Hamilton is seeking an Agentic AI Developer in O'Fallon, Illinois. This role involves applying machine learning to deliver impactful solutions for the Department of War. You will harness your expertise in ML algorithms to develop, deploy, and manage AI solutions...$75k
...and RDS tasks. Performing software systems development, including design, development, troubleshooting, and debugging of software programs for enhancements and new software‑intensive systems and products. Participating in peer reviews and unit testing, and adapting to...Work at officeWork from homeHome officeChenega MIOS SBU
O Fallon, MO23 hours ago- A defense contracting company is seeking a Software Engineering Lead to support Agile delivery activities for a Department of Defense client at Scott Air Force Base in O'Fallon, IL. The role involves managing software development support and backlog activities. Candidates...
$77.5k - $176k
Phase2 Technology in O'Fallon, Illinois is seeking a Senior AI Platform Operations Engineer to enhance IT operations utilizing AI technologies. This role requires developing tools for efficient solutions in critical operations, supported by a strong background in DevOps...- Second-61 LLC is looking for a Senior Systems Engineer to join their Cloud team at Scott Air Force Base, O'Fallon, IL. You will lead the design and implementation of cloud solutions while ensuring compliance with DoD policies. Candidates must have a Bachelor's degree and...
- Second-61 is seeking a Senior Systems Engineer for their Cloud team at Scott Air Force Base near O'Fallon, IL. The role involves leading cloud solution architectures and providing strategic guidance while addressing complex client needs. Ideal candidates will have over ...
- AI Engineer We are seeking a talented and motivated AI Developer to design, build, and deploy AI-driven solutions that enhance marketing performance, automate workflows, and generate actionable insights. This role will work closely with our marketing, data, and development...
APC Integrated
O Fallon, MO4 days ago $205,000 per week
Mastercard seeks a Lead Site Reliability Engineer in our Information Technology & Digital Solutions team within the Payments Solutions & Processing industry. You will design and operate secure, highly available, low-latency platforms that power global payment services. ...WorldwideMastercard
O Fallon, MOa month ago$192.5k
Mastercard is seeking a Lead Site Reliability Engineer to drive the reliability, scalability, and performance of mission-critical financial services platforms. In this role, you will design and implement resilient cloud-native architectures, build and refine CI/CD pipelines...Mastercard
O Fallon, MOa month ago- Java Backend Engineer O'Fallon, MO - Day 1 Onsite Full Time An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here's a breakdown...Full time
Veracity
O Fallon, MO4 days ago $165,000 per week
Mastercard is seeking a Site Reliability Engineer II to enhance the reliability, scalability, and performance of critical IT systems. In this role, you will design and implement robust monitoring, automation, and incident response processes to support innovative, user‑focused...Mastercard
O Fallon, MO29 days ago- ...and testing activities. Assists with tool configuration and reporting. Software development support: configure/operate/maintain program support tools; assist software license management; analyze help desk tickets; support ad hoc reporting; research HW/SW solutions; support...Temporary workFor contractorsFlexible hours
$61.9k - $141k
...distributed data and support analytical exploration. The ideal candidate has a Bachelor's degree and 2+ years of experience with programming languages, scalable data stores, and ETL workflows. The role offers a projected compensation range of $61,900.00 to $141,000.00 annually...
