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- ...the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services.... ...mathematics), or equivalent practical experience. Experience with algorithms, data structures, scripting, pipeline management, and software...SuggestedShift work
Samprasoft
O Fallon, MO1 day ago - ...infrastructure, and practices to scale our architecture and prepare for future growth. • Basic to intermediate level of understanding of algorithms, data structures, scripting, pipeline management, and software design • Systematic problem-solving approach, coupled with strong...SuggestedFull timePart timeWorldwideFlexible hours
MasterCard
O Fallon, MO3 days ago $122k - $207k
...mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software... ...the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services....SuggestedFull timePart timeWorldwideFlexible hoursShift workMasterCard
O Fallon, MO3 days ago$92k - $147k
...The Mastercard Operational Intelligence Program is engaged in developing innovative solutions through technology that keeps Mastercard... ..., databases, and cloud environments. • Apply data structures, algorithms, and software engineering principles to develop efficient, scalable...SuggestedFull timePart timeImmediate startWorldwideFlexible hours$115k - $184k
...Role As a Senior Software Engineer, you will: • Design, develop, and maintain scalable test frameworks and automation solutions... ...system, and performance testing • Leverage data structures and algorithms to optimize test execution, data handling, and performance...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO21 days ago$115k - $184k
...through modern cloud-native architectures. Role • Design, develop, and maintain secure, scalable, and resilient cloud-native... ...enterprise standards. • Design and optimize data structures, algorithms, and processing patterns to support high-volume distributed systems...SuggestedFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO3 days ago$115k - $184k
...platforms, backend services, and engineering tools that improve developer productivity and accelerate delivery across Mastercard's... ...teams and stakeholders. -Strong foundation in data structures, algorithms, and problem-solving techniques. -Ability to evaluate and optimize...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO21 days ago$115k - $184k
...The Mastercard Operational Intelligence Program is engaged in developing innovative solutions through technology that keeps Mastercard... ...databases, and cloud services. • Apply advanced data structures, algorithms, and software engineering principles to solve complex...SuggestedFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO7 days ago$115k - $184k
...speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and products... ...tools • Apply strong knowledge of data structures, algorithms, and efficient coding practices in building scalable solutions...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO28 days ago$92k - $147k
...engineering excellence. As a Software Engineer II, you will design, develop, and support scalable software solutions that power Mastercard... ...system concepts. • Understanding of data structures, algorithms, and performance optimization techniques. • Experience...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO22 days ago$152k - $258k
...as Code solutions using platforms like Terraform, Ansible, Chef to automate provisioning across cloud and on prem environments. Develop reusable modules, playbooks, and automation libraries that standardize infrastructure deployment patterns. Engineer and enhance...SuggestedFull timePart timeImmediate startFlexible hoursDynamic Yield
O Fallon, MO2 days ago$112k - $187k
...technologies to enhance system scalability. ~ Familiarity with algorithms, data structures, scripting, pipeline management, and software... ...and performance. ~ Azure DevOps (AZ-400) and Azure Cloud Developer (AZ-203) certifications preferred. ~ Knowledge of security implementations...SuggestedFull timeMastercard
O Fallon, MO3 days ago- Principal Software Engineer - Developer, Phantom WorksCompany:The Boeing CompanyThe Boeing Company is currently seeking a Principal Software... ...board computers, and/or FPGAsPerform control system logic/algorithm, hardware, and software development tasksDrug Free Workplace:...SuggestedPermanent employmentFull timeWork experience placementFor subcontractorRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work
Boeing
Saint Charles, MO1 day ago $96k - $163k
...cloud infrastructure engineering, Infrastructure as Code (IaC), CI/CD, software automation, security, reliability engineering, and developer enablement. The successful candidate will drive platform modernization, establish engineering standards, improve operational...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO21 days ago$140k - $231k
...Engineering As part of an exciting, fast paced environment developing authentication and security solutions in the e-commerce space,... ...applications • Strong understanding of data structures and algorithms, with the ability to: o Design efficient, scalable solutions...SuggestedFull timePart timeWorldwideFlexible hours$96k - $163k
...technical field with a coding background (e.g., physics or mathematics), or equivalent practical experience. Familiarity with algorithms, data structures, scripting, pipeline management, and software design principles. Systematic problem-solving abilities, strong...Full timeMastercard
O Fallon, MO3 days ago$40 - $80 per hour
...Science, Engineering, Information Technology, or a related technical field, or equivalent practical experience. Understanding of algorithms, data structures, software design, and system architecture fundamentals. Experience with scripting, automation, pipeline...Hourly payContract workSmart IMS Inc
O Fallon, MO1 day ago- True Manufacturing is seeking a Principal Software Engineer to own the connected-equipment software platform end-to-end. You will lead architecture, data, security, and release, while shipping production-grade code and owning the deployment pipeline. This hands-on leadership...
$130.83k - $176.62k
...hybrid schedule. The software engineers are responsible to design, develop, analyze, document and support testing of products, systems, or... ...Computer Science fundamentals in embedded development, algorithm design, problem solving, and complexity analysisExperience in one...Full timeContract workWork experience placementLocal areaFlexible hoursLeonardo DRS
Bridgeton, MO4 days ago- ...Roles & Responsibilities Design, develop, and maintain scalable web applications using Angular 15+ and React where applicable. Build reusable, responsive, and user-friendly UI components. Integrate frontend applications with RESTful APIs and backend services...Full time
Techvilla Solutions
O Fallon, MO28 days ago - ...strong expertise in Angular 15+, TypeScript, JavaScript, HTML, CSS, NgRx state management, and Jest unit testing. The candidate will develop scalable, responsive web applications and integrate frontend solutions with REST APIs while following coding standards and best...Full time
PB consulting
O Fallon, MO2 days ago $105k - $128.14k
...consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure... ...documentation and maintenance of architectures, requirements, algorithms, interfaces and designs for software productsSupport with debugging...Permanent employmentFull timeWork experience placementInterim roleWorldwideVisa sponsorshipWork visaRelocation packageFlexible hoursShift workBoeing
Maryland Heights, MO2 days ago$122k - $207k
...infrastructure, and practices that help scale architecture and support future growth. We expect a basic to intermediate understanding of algorithms, data structures, scripting, pipeline management, and software design. We look for a structured problem-solving mindset,...Full timeFlexible hoursMastercard
O Fallon, MO4 days ago- The Principal Software Engineer is the senior-most technical authority for True Manufacturing's connected-equipment software platform, owning it end to end: architecture, infrastructure, data, security, and release. This is a deeply hands-on role — shipping production ...Contract workWork at officeRemote workMonday to Friday
Priority Dispatch
O Fallon, MO4 days ago - ...Job Title: Senior Software Engineer- Sr Java Full Stack Developer Work Location: O'Fallon, MO Work Mode: Hybrid Work Auth: All Visas accepted (No H1 and No Fake Profiles) Experience: 8–12+ Years Education: Bachelor's Degree or equivalent professional experience...Work visa
Xcelo Group
O Fallon, MO3 days ago - Position: C,C++ Lead / Developer Location: onsite -O’Fallon, MO Duration: 8+ months Description Design, develop, and deploy AI-powered products, intelligent agents, and agentic workflows utilizing Large Language Models (LLMs), retrieval systems, orchestration frameworks...
- ...Years Work Auth All Visas Accepted (No H1 and No Fake profiles) We are looking for an experienced Senior Java Full Stack Developer to design, develop, and enhance a next-generation Decision Management Platform that processes and scores billions of payment transactions...Work experience placementLocal areaWork visa
Xcelo Group
O Fallon, MO20 days ago $80k - $158k
...placement). • Conduct and lead root-cause analysis for performance incidents in production and pre-production environments. • Develop capacity models and performance baselines for services running across cloud environments. Areas of Expertise • Application Layer...Minimum wageLocal areaWipro
O Fallon, MO5 days ago- Tech Mirrors in O’Fallon, MO is seeking a C/C++ Lead/Developer to design, develop, and deploy AI-powered products and agentic workflows. You will guide architecture, lead transition from prototype to production, and drive reliability, performance, and cost optimization....
$200k - $330k
...President, Platform Engineering will define and execute enterprise platform engineering strategy across CI/CD, cloud infrastructure, developer platforms, container ecosystems, infrastructure automation, and secure software delivery. This leader will establish engineering...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO21 days ago
