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  • $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... 
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    Part time
    Worldwide
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    Mastercard

    O Fallon, MO
    4 days ago
  • $115k - $184k

     ...territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The Fraud Products team develops fraud prevention and identity verification solutions on Mastercard's Decision Management Platform. Our high-performance Java... 
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    Part time
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    Mastercard

    O Fallon, MO
    4 days ago
  • $99k - $225k

    Job Number: R0241538 Agentic AI Developer Opportunity As an experienced engineer, you know that machine learning is critical to understanding...  ...of mission‑critical solutions by applying best‑fit ML algorithms and technologies and through the development, deployment, and... 
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    Phase2 Technology

    O Fallon, MO
    22 hours ago
  • $99k - $225k

    Agentic AI Developer Your growth matters to us - explore our career development opportunities. BE EMPOWERED TO SUCCEED: Connect with...  ...direction of mission‑critical solutions by applying best‑fit ML algorithms and technologies and through the development, deployment, and... 
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    Booz Allen Hamilton

    O Fallon, MO
    4 days ago
  • $115k - $184k

     ...Remote Payment and Presentment System) platform team. This team develops and supports critical software solutions that enable payment...  ...operational reliability. • Strong knowledge of data structures, algorithms, and software design patterns. • Excellent communication,... 
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    Mastercard

    O Fallon, MO
    26 days ago
  • $146.5k - $164k

     ...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... 
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    Boeing

    Hazelwood, MO
    22 hours ago
  • $127k - $142.5k

     ...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... 
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    Boeing

    Berkeley, MO
    22 hours ago
  • $133k - $160k

     ...documentation and maintenance of architectures, requirements, algorithms, interfaces and designs for software products Supports debugging...  ...software products Troubleshoots technical issues Assists in developing, establishing, monitoring and improving software processes Basic... 
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    The Boeing Company

    Maryland Heights, MO
    22 hours ago
  • $126.65k - $171.35k

     ...generation of flight simulators to train our nation's military pilots. Develop subsystems for Boeing Flight Trainers such as the Instructor/...  ...Leads the documentation and maintenance of technical code, algorithms, specifications and descriptions of simulation models... 
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    Boeing

    Hazelwood, MO
    4 days ago
  • $126.66k - $171.35k

     ...program located in Berkeley, MO. This position will focus on developing Vehicle Management System (VMS) software to support the Boeing...  ...Develop, document, and maintain architectures, requirements, algorithms, interfaces, and designs for the VMS software. Implement, integrate... 
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    Boeing

    Hazelwood, MO
    2 days ago
  • $115k - $184k

     ...stores, prompt evaluation frameworks, model lineage tracking, and continuous retraining workflows to ensure reliable AI delivery. • Develop high-performance Python backend services for LLM inference orchestration, async job handling, streaming responses, and distributed... 
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    Mastercard

    O Fallon, MO
    3 days ago
  • $99.45k - $134.55k

     ...will join one of the multi-discipline Agile scrum teams that develop, integrate, and maintain a wide range of aircraft functionalities...  ..., documents and maintains architectures, requirements, algorithms, interfaces and designs for software systems Develops and... 
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    Boeing

    Berkeley, MO
    2 days ago
  • $135k - $165k

     ...consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure...  ...maintain architectures, requirements, interfaces, designs and algorithms for TMP system. Collaborate with software development team... 
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    Worldwide
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    Boeing

    Hazelwood, MO
    5 days ago
  •  ...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... 
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    Dynamic Yield

    O Fallon, MO
    2 days ago
  • Job Description Job Description Key Responsibilities · Propose and implement platform improvements, roadmap enhancements, and architectural upgrades for long‑term system health · Lead the designing and implementation of a redundant, self-managed marketing automation...
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    Automotive Product Consultants LLC

    O Fallon, MO
    25 days ago
  • $140k - $231k

     ...MO, requiring three days per week onsite. Role: • Design, develop, and maintain software solutions using C/C++ for high-...  ...collaborative development environment. • Solid understanding of algorithms, data structures, operating systems, and distributed systems concepts... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    Mastercard

    O Fallon, MO
    20 days ago
  • $140k - $231k

     ...practices across teams • Apply deep knowledge of data structures, algorithms, and distributed system design to solve complex performance...  ...design, and maintainability •Build and enhance internal developer platforms using Backstage or similar frameworks, leveraging plugin... 
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    Part time
    Worldwide
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    Mastercard

    O Fallon, MO
    a month ago
  • $140k - $231k

     ...transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-...  ...Excellence & Fundamentals • Apply strong data structures and algorithms knowledge to design efficient, scalable, and high-performance... 
    Full time
    Part time
    Worldwide
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    Mastercard

    O Fallon, MO
    a month ago
  • $92k - $147k

     ...role, you will collaborate with talented engineers to design, develop, test, and support innovative solutions that drive Mastercard’...  ...collaborative development environment. • Strong understanding of algorithms, data structures, and distributed systems concepts. •... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    Mastercard

    O Fallon, MO
    28 days ago
  • $115k - $184k

     ...Role As a Senior Software Engineer, you will: • Design, develop, test, deploy, and support scalable software solutions that power...  ...of software design patterns, data structures, and algorithms. • Excellent communication, collaboration, and problem-solving... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    26 days ago
  • $92k - $147k

     ...movement of transactions around the world. Role • Design, develop, test, and support software components and services using...  ...in computer science fundamentals, including data structures, algorithms, and object-oriented design. • Ability to write clean, secure... 
    Full time
    Part time
    Worldwide
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    Mastercard

    O Fallon, MO
    a month 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,... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    MasterCard

    O Fallon, MO
    1 day ago
  • $170k - $281k

     ...businesses and governments realize their greatest potential. Title and Summary Director Software Engineering The Mastercard Developer Workbench, part of the MSBX (Mastercard Software Builder Experience) division, is evolving from a cost-allocation construct into a... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    3 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 transactions...
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    1 day ago
  • $63 - $90 per hour

     ...Technology Partners is currently seeking a talented Senior .NET Full-Stack Developer. Do you have experience building large-scale distributed applications using .NET, ASP.NET Core, AWS services, and modern JavaScript frameworks? Let us help you make your next big career... 

    Technology Partners

    Wildwood, MO
    4 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 time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    1 day ago
  •  ...Backend Python Developer Day 1 relocation-All 5 days onsite at Bridgeton, MO Responsibilities Lead the Design and Develop Backend Systems: Create and maintain server-side logic, ensuring high performance and scalability. API Development... 
    Relocation

    United IT Solutions

    Bridgeton, MO
    1 day ago
  • Boeing Precision Engagement Systems in St. Louis metro area is seeking Real-Time Software Engineers (Associate or Experienced) to design, implement and test real-time embedded software for weapon systems. You will work across the software lifecycle using Ada, C/C++, and...

    ApplyMint

    Saint Charles, MO
    2 days ago
  •  ...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, MO
    10 hours agonew
  • Job DescriptionThe Cloud Solutions Engineer is a customer-facing technical expert responsible for guiding enterprise customers and prospective customers through evaluating and adopting the MiTek Cloud solution.This role is ideal for a cloud or infrastructure professional...
    Full time
    Temporary work
    Part time
    Work at office
    Worldwide

    MiTek Industries

    Chesterfield, MO
    2 hours agonew