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  •  ...NgRx state management, and Jest unit testing. The candidate will develop scalable, responsive web applications and integrate frontend...  ...15+. Build reusable UI components and responsive user interfaces using HTML, CSS, and TypeScript. Integrate frontend applications... 
    Suggested
    Full time

    PB consulting

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

     ...MO, requiring three days per week onsite. Role: • Design, develop, test, deploy, and maintain scalable full-stack applications...  ...Boot, and Spring Framework. • Develop modern, responsive user interfaces using React, Angular, TypeScript, JavaScript, or similar... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    MasterCard

    O Fallon, MO
    1 day ago
  • $140k - $231k

     ...modular design, and maintainability • Build and enhance internal developer platforms using Backstage or similar frameworks, leveraging plugin-based architectures • Develop data-driven user interfaces that surface observability and operational insights Testing... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    2 days ago
  • $78 - $88 per hour

     ...Desired Skills: • Experience with UX design, wireframing and prototyping user interfaces • Experience with other frameworks like React/Vue.js • Experience on designing and developing backend services using Java, Spring Cloud, Spring Boot, Cloud Native platforms... 
    Suggested
    Temporary work
    Shift work

    PeopleNTech

    O Fallon, MO
    1 day ago
  •  ...software engineers, product managers, and other stakeholders to identify and understand the API requirements. Design and develop the API interface and documentation using programming languages like Java, Python, or Ruby on Rails. Implement RESTful APIs to enable... 
    Suggested

    Keylent Inc

    O Fallon, MO
    16 hours 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... 
    Suggested
    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Devopsroles

    O Fallon, MO
    1 day ago
  • $164.9k - $223.1k

     ...integration and risk review meetings; issue action logs and decision summaries.Review and approve integration-related deliverables: interface control documents (ICDs), verification plans, test reports, and supplier integration artifacts.Maintain views that track technical... 
    Suggested
    Permanent employment
    Full time
    Work at office
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing

    Saint Charles, MO
    5 days ago
  • $115k - $184k

     ...first software delivery ecosystem and delivering a world class developer experience. We are seeking a Senior Software Engineer to...  ...using Java and Spring Boot • Develop and enhance modern user interfaces using React and TypeScript • Design and implement REST APIs and... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    1 day ago
  • $45.45 - $49.24 per hour

     ...Pay Rate Range: $ 45.45 - 49.24/hr. Job Title: C,C++ Developer Job Description: • Design, develop, and deploy AI-powered products...  ...• Collaborate with other Principals and Leads to define interfaces and interactions between systems • Advise on implementation... 
    Suggested

    Varite

    O Fallon, MO
    16 hours ago
  • Principal Software Engineer - Developer, Phantom WorksCompany:The Boeing CompanyThe Boeing Company is currently seeking a Principal Software...  ...: Own and maintain the software architecture with focus on interface clarity, stability, and versioning to minimize integration... 
    Suggested
    Permanent employment
    Full time
    Work experience placement
    For subcontractor
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Saint Charles, MO
    5 days ago
  • $137.7k - $213.9k

     ...engineering team. These positions are part of the critical mission of developing and certifying safe, reliable, and innovative aircraft. This...  ...and maintaining architectures, requirements, algorithms, interfaces and designs for software systems ~ Experience with... 
    Suggested
    Permanent employment
    Work experience placement
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours

    The Boeing Company

    Hazelwood, MO
    16 hours ago
  •  ...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... 
    Suggested
    Shift work

    Samprasoft

    O Fallon, MO
    16 hours ago
  • $92k - $147k

    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...
    Suggested
    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    8 hours agonew
  •  ...Solutions is seeking an experienced Oracle Database & Application Developer to join our team supporting mission-critical U.S. Army...  ...and maintain data-driven web applications and web services that interface with Oracle and SQL Server databases.Collaborate with developers... 
    Suggested
    Full time
    Relocation package

    Semper Valens Solutions

    Overland, MO
    2 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... 
    Suggested
    Full time

    Techvilla Solutions

    O Fallon, MO
    a month ago
  •  ...storage and compute infrastructure, and the APIs and agentic (MCP) interfaces that let both humans and AI agents access and operate on...  ...platform-internal needs and consumption by downstream teams. Develop reusable ingestion, cleansing, and harmonization frameworks/... 
    Ongoing contract
    Full time
    Worldwide

    SS&C Technologies

    Clayton, MO
    16 hours 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 products​Support with debugging and... 
    Permanent employment
    Full time
    Work experience placement
    Interim role
    Worldwide
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Maryland Heights, MO
    1 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... 
    Permanent employment
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    2 days ago
  • $198.05k - $267.95k

     ...Mission Systems software architecture roadmap and vision working with Ensures software teams develop, document, and maintain architecture, requirements, algorithms, interfaces, and designs for software systems Supports implementation of containerized software architecture... 
    Permanent employment
    Work experience placement
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    1 day ago
  • $105.1k - $231.1k

    Job Title: Senior Principal Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required...  ..., and JavaScript Develop integration code to connect and interface systems and services Develop solutions that utilize open... 
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International, Inc.

    Sunset Hills, MO
    2 days ago
  •  ..., identify risks, benefits, and constraints. Partner with business to identify innovative solutions and drive strategic decisions. Develop business case in alignment with the MasterCard objectives. Lead scenario planning process and creation, validation and review of estimates... 

    Dynamic Yield

    O Fallon, MO
    16 hours ago
  •  ...strategic decision-making? We're seeking a Business Intelligence Developer to join our growing IT Reporting Resources team. In this role,...  ...Support and improve Microsoft Access applications and user interfaces. Integration & Automation Develop and maintain ETL... 
    Work at office

    Wise F&I LLC

    Fenton, MO
    2 days ago
  • $128.35k - $173.65k

     ...protection of all critical computers across all defense products developed within Boeing. Unlike most aerospace jobs where a team is...  ...document and maintain architectures, requirements, algorithms, interfaces and designs for software systems Work with platform chief engineers... 
    Permanent employment
    Work experience placement
    Interim role
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    17 hours ago
  • $136.85k - $185.15k

     ...involves collaborating with the Integrated Product Teams to define and develop the product’s system architecture from initial design through product verification, including managing requirements, interfaces, and behaviors. As a member of the Program’s Model-Based Systems... 
    Permanent employment
    Work experience placement
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Hazelwood, MO
    2 days ago
  • $136.85k - $185.15k

     ...involves collaborating with the Integrated Product Teams to define and develop the product's system architecture from initial design through product verification, including managing requirements, interfaces, and behaviors. As a member of the Program's Model-Based Systems... 
    Permanent employment
    Work experience placement
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Hazelwood, MO
    2 days ago
  •  ...Role • Develop applications using Java/J2EE technologies. • Excellent communication skills with strong Agile knowledge. • Be able to work with Business/Systems Analysts and Quality Engineers in a behavioural driven development environment. • The Ideal candidate... 

    3B Staffing LLC

    O Fallon, MO
    4 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 wage
    Local area

    Wipro

    O Fallon, MO
    4 days ago
  •  ...Lead Software Engineer Job Description: Overview: As part of an exciting, fast paced environment developing digital identity and security solutions in the mobile and e-commerce space, this position will provide technical expertise within the development lifecycle... 

    Omega Solutions Inc

    O Fallon, MO
    4 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. Angular and React JS experience preferred.... 
    H1b
    Local area
    Relocation

    Samprasoft

    O Fallon, MO
    16 hours ago
  • $126.65k - $171.35k

     ...learn new technologies. Position Responsibilities: Designs, develops, tests, and maintains embedded software throughout the end-to-...  ...into initial design of software products. Develops interface definitions Performs unit and integration testing Participates... 
    Permanent employment
    Contract work
    Work experience placement
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    2 days ago