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- ...optimization. # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and... ...Oracle. The ability to simplify and create common libraries/interfaces for these tools is a plus. # Leadership and Collaboration...SuggestedFull time
Veracity
O Fallon, MO2 days ago - ...technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-... ...Have: Experience simplifying and creating common libraries/interfaces Background in financial services or enterprise-scale...SuggestedFull timeLocal area
Veracity
O Fallon, MO4 days ago - ...Mid Software Developer – O’Fallon, IL Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence...SuggestedWork at officeWork from homeHome office
Chenega Agile Real Time Solutions, LLC
O Fallon, MO3 days ago $73.45k - $132.78k
...Geospatial Data Analysis Tool-Modernized (GDAT-M) application, developed by the customer. GDAT-M serves the customer, ASG collaborators... ...with 2–6 years of relevant experience. ~1–3 years of User Interface Design experience. ~ Proven expertise in Web Data Hosting....SuggestedFor contractorsLocal areaImmediate startLeidos
O Fallon, MO5 days ago- ...Backend Developer Requirement/Must Have: ~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. ~ Solid understanding of event-driven...Suggested
Cynet Systems
O Fallon, MO2 days ago - ...reliability, and performance to deliver solutions that delight our customers. We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing payments. Are you passionate about software engineering? Do...SuggestedWork experience placementFlexible hours
Samprasoft
O Fallon, MO1 day ago $122k - $207k
...we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO5 days ago$122k - $207k
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 hoursShift workMastercard
O Fallon, MO5 days ago$140k - $160k
100% Remote .NET/AI Developer Must work in EST Cannot Provide Sponsorship - Must be able to work W2 Description This role is... ...-End Development: Architect and build modern, responsive user interfaces using React, ReactJS, NextJS, TypeScript, and SPFx, including...SuggestedPermanent employmentRemote workTEKsystems
Wildwood, MO1 day ago- Azure Platform Engineer Location: O'Fallon, MO Duration: Long Term Contract Number of opening: 1 Project Scope: System Integration, CI/CD Pipeline Development, User Provisioning, LDAP Integration, System Resiliency Testing, Security practices Role & Responsibilities...SuggestedLong term contract
Keylent Inc
O Fallon, MO5 days ago - ...with teams across the organization to mitigate risk and resolve dependencies. All About You Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Good understanding of JavaScript and its...SuggestedLocal area
Samprasoft
O Fallon, MO1 day ago - ...Understanding of SFA organization; Aeronautical data and mission Experience with NGA cloud-based architecture AWS Solutions Architect, AWS Developer, Certifications Experience with IC Cloud Architecture implementation methodologies Experience with Aeronautical datasets...Suggested
Aqua IT
O Fallon, MO2 days ago - Mastercard Python Contractor 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 secure...SuggestedFor contractorsH1bWork at officeLocal area
Samprasoft
O Fallon, MO1 day ago $112.2k - $151.8k
...an interdisciplinary, collaborative approach to plan, design, develop and verify a lifecycle balanced system of systems and system solutions... ...assure compatibility of all physical, functional and program interfaces Performs various analyses to optimize total system of...SuggestedPermanent employmentRelocationVisa sponsorshipWork visaFlexible hoursShift workBoeing
Hazelwood, MO3 days 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, MO5 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...
Samprasoft
O Fallon, MO1 day ago - NISC in Lake Saint Louis, MO, seeks a Sr Systems Specialist to manage full-stack application development and DevOps practices. The role requires a minimum of 5 years of experience in software development, and a strong knowledge of cloud infrastructure and operations. The...
- Chenega Agile Real Time Solutions, LLC is looking for a Mid Software Developer in O’Fallon, IL. The ideal candidate will be involved in coding, developing, and integrating software solutions while supporting large-scale government operations. This role requires strong experience...
$76k - $127k
...are responsible for ensuring that our platform is stable and healthy. We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO5 days ago$96k - $163k
...are responsible for ensuring that our platform is stable and healthy. We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO5 days ago- A defense solutions company located in O'Fallon, IL, is seeking a Mid Software Developer to enhance existing systems and integrate open-source solutions. The ideal candidate will have a strong background in Python, React, and C#, alongside experience with AWS services....
$96k - $163k
...business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like...Full timePart timeWorldwideFlexible hoursShift workMastercard
O Fallon, MO5 days ago- ...coding, and maintaining large data processing systems, primarily using the Spark framework with Scala. Responsibilities include developing big data processes using AWS, debugging issues, and adhering to best practices in coding and architecture. Candidates should have...
- A technology solutions firm is seeking a SQL Server Developer in St. Peters, MO. The role involves designing and enhancing databases, troubleshooting issues, and tuning performance. Strong SQL knowledge, 4+ years in SQL Server development, and a bachelor's degree in a relevant...
$163k
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 ...Full timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO5 days ago$150k - $205k
...# Accountable for System Product Requirements and System Architecture. # Strong contributor to System Risk Analysis, System Interface Design, and System Verification and Validation Planning. # Leads or coordinates complex technical activities and investigations...Temporary workWork at officebioMerieux Inc.
Hazelwood, MO1 day ago- ...Overview Decision Point Corporation is looking for an Intermediate Software Developer to join our team supporting the Transportation Geospatial Information System (TGIS) at Scott AFB, IL. This position is on a hybrid telecommute model with onsite work at Scott AFB. Duties...For contractorsLocal areaRemote work
Decision Point
O Fallon, MO2 days ago - ...Lead Mainframe Developer Location: O'Fallon, MO OnSite Full Time Permanent & Contract Product: Hogan suite (UMB,CIS,CAMS etc.) Must Have Experience in L2 and L3 Maintenance, Support and Compliances COBOL, VSAM, JCL, DB2, Assembler 1. Working experience...Permanent employmentFull timeContract workWork experience placement
Georgia IT Inc
O Fallon, MO5 days ago - An exciting opportunity exists for a Junior Salesforce Developer to join a forward-thinking technology team. No prior Salesforce experience... ...Apex (a language similar to Java/C#). Build responsive user interfaces using Lightning Web Components (LWC), JavaScript, HTML, and...Internship
$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...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO24 minutes ago
