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  • Senior Azure Platform Engineer (O'Fallon)

     ...Administrator Associate or equivalent Experience with hybrid cloud or multi-cloud environments Familiarity with data warehousing and ETL processes Experience with scripting languages Corporate Security Responsibility All activities involving access to... 
    Suggested
    Part time

    MasterCard

    O Fallon, MO
    7 hours agonew

  • Lead Full Stack Engineer (O'Fallon)

    Lead Full Stack Engineer Job Location: O'Fallon, MO (Hybrid onsite 3 days/week) Job Travel Location(s): Must be able to travel to office as needed Positions: 1 Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities: Lead...
    Suggested
    Part time
    Work at office
    3 days per week

    Veracity

    O Fallon, MO
    8 hours agonew

  • Lead C# . NET Developer (Maryland Heights)

     ...Insight Global is looking to add a Lead C# . NET Developer to their team in the Maryland Heights, MO area. This individual will join the...  ...in C# . NET Experience Rest API's (potentially from scratch) SQL Queries Front End UI Page Building ETL
    Suggested
    Long term contract
    Part time

    Insight Global

    Maryland Heights, MO
    8 hours agonew

  • Lead BizOps Engineer (O'Fallon)

    $112k - $187k

     ...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... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours
    Shift work

    MasterCard

    O Fallon, MO
    7 hours agonew

  • Java Software Engineer - O'Fallon (Onsite) (O'Fallon)

    $100k - $105k

     ...scalable microservices while providing technical leadership to both onshore and offshore teams. Responsibilities: Design and develop Java-based microservices architecture Ensure implementation quality, including maintainability, security, and performance best... 
    Suggested
    Temporary work
    Part time
    Flexible hours

    Missouri Staffing

    O Fallon, MO
    7 hours agonew

  • Director, Database Engineering (O'Fallon)

    $138k - $230k

     ..., performance tuning, and high availability configuration. Work with service deliver DBA's and application development software to develop database architectures, coding standards, and quality assurance policies and procedures. Create models for new database development... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    Missouri Staffing

    O Fallon, MO
    7 hours agonew

  • Lead BizOps Engineer/SRE : Mastercard

     ...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
    Local area
    Shift work

    ShiftCode Analytics

    O Fallon, MO
    1 day ago

  • Lead Mainframe Developer (O'Fallon)

     ...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 Working experience in... 
    Suggested
    Permanent employment
    Full time
    Contract work
    Part time
    Work experience placement

    Staffing the Universe

    O Fallon, MO
    7 hours agonew

  • Software Engineer I, Launch Program 2026 - United States (O'Fallon)

     ...reliability, performance, and are driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Software engineers at Mastercard build the systems that... 
    Suggested
    Part time
    Work experience placement
    Internship

    MasterCard

    O Fallon, MO
    7 hours agonew

  • Senior Software Engineer-O'Fallon, Missouri (O'Fallon)

     ...: DOE U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor the currently Job Description Java, Spring, and Spring Boot Required. Everything is developed in that Rest API knowledge is a plus Very Mu...... 
    Suggested
    Contract work
    Part time

    Staffing the Universe

    O Fallon, MO
    8 hours agonew

  • Software Engineer

    $124.2k

     ...Software Engineer at BOEING summary: The Software Engineer at Tapestry Solutions, a Boeing Company, develops and supports software solutions for the Department of Navy Tomahawk Land-Attack Missile program. Responsibilities include troubleshooting, implementing emerging... 
    Suggested
    Worldwide
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Day shift

    BOEING

    Hazelwood, MO
    1 hour agonew

  • T-38C P3 Software Engineer (Real Time Software Engineer)

    $110.5k - $149.5k

     ...T-38C P3 Software Engineer (Real Time Software Engineer) at BOEING summary: The T-38C P3 Software Engineer at Boeing develops, tests, and maintains real-time embedded flight software for T-38C trainer aircraft. This role involves collaboration with systems integration... 
    Suggested
    Permanent employment
    Full time
    Interim role
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    BOEING

    Hazelwood, MO
    1 hour agonew

  • Lead Site Reliability Engineer

    $112k - $187k

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

    MasterCard

    O Fallon, MO
    3 days ago

  • Lead Site Reliability Engineer-1

    $112k - $187k

    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
    Worldwide
    Flexible hours
    Shift work

    MasterCard

    O Fallon, MO
    1 day ago

  • Full Stack Software Developer

    $85.15k - $153.93k

     ...Job Description Description The Leidos FS2 Aero team has an opening for an experienced Full Stack Software Developer r to modify existing code and integrate software solutions for the Aeronautical Navigation Office. The ideal candidate has an excellent understanding... 
    Suggested
    Work at office

    Leidos

    Hazelwood, MO
    12 days ago

  • Data Engineer I, Launch Program 2026, St. Louis, MO (O'Fallon)

     ...of data science to accelerate innovation in AI/ML-driven fraud detection. We specialize in building high-quality, scalable ETL pipelines, developing robust feature engineering workflows, and creating shared tools that empower data scientists across the organization.... 
    Full time
    Part time
    Work at office
    Worldwide
    Flexible hours

    Missouri Staffing

    O Fallon, MO
    8 hours agonew

  • Manager, Software Engineering (O'Fallon)

    $138k - $221k

     ...services in the delivery of internal or market-facing Products, Platforms, or Product bundles Work with business/product owners to develop and deliver on new services to introduce new products and bundles Ensure objectives and development plans are established at the... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    7 hours agonew

  • Solutions Engineer

     ...business needs. This position offers a hybrid schedule with on-site work in Chesterfield, Missouri. Application Development Design, develop, and implement multi-tier, multi-platform applications.Convert legacy systems to modern architectures like .NET or .NET Core,... 
    Weekly pay
    Full time
    Temporary work
    Chesterfield, MO
    4 days ago

  • Embedded Software Engineer Level 2-4: Contract to Perm with Security Clearance

    $90.1k - $121.9k

     ...throughout the software development lifecycle and contribute to a modern CI/CD DevSecOps pipeline. Key Responsibilities: • Design, develop, debug, and maintain embedded software systems that meet regulatory, customer, and industry standards • Analyze and translate customer... 
    Permanent employment
    Contract work
    Interim role

    Beacon Hill

    Hazelwood, MO
    19 hours ago

  • F/A-18 Complex Spares Design Team Lead Engineer

    $139k - $171k

     ...BOEING summary: The F/A-18 Complex Spares Design Team Lead Engineer at Boeing leads a multidisciplinary design team focused on developing and supporting structural design models for F/A-18 aircraft components. This role involves coaching engineers, managing design... 
    Permanent employment
    Work experience placement
    Interim role
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    BOEING

    Hazelwood, MO
    3 days ago

  • Sr. SRE/ Performance Engineer

    Based on the skills the Hiring Manager listed as priority, outside of a true Performance Engineer, I am thinking the best profile will be a DevOps Engineer/SRE. Sr. Performance Engineer Hybrid - 3 days onsite (O'Fallon, MO) In-person interview required ...
    Contract work

    ShiftCode Analytics

    O Fallon, MO
    3 days ago

  • Site Reliability Engineer

    $75k - $125k

     ...robust, secure, and efficient operations. The candidate should be able to automate daily activities, support deployment pipelines, develop observability for the cloud platforms. This role requires expertise in cloud concepts, advanced DevOps practices, CI/CD pipelines,... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    2 days ago

  • Site Reliability Engineer

    $40 - $70 per hour

    Job Description: As a Site Reliability Engineer, you will be part of a high-performing operations team focused on automation, performance optimization, and system reliability. You will engage in the full lifecycle of services-from design and deployment to monitoring...
    Hourly pay

    cyberThink

    O Fallon, MO
    4 days ago

  • Full Stack Java Developer

     ...syntax including PL/SQL. Good analytical and multitasking skills. Good oral and written communication skills. Identify and resolve problems in a timely manner; gather and analyze information skillfully; develop alternative solutions; Critical thinking and creative...... 

    RIT Solutions

    Chesterfield, MO
    2 days ago

  • Senior Software Engineer - CRM

    $99.03k - $148.55k

     ...on our team. As a Senior Software Engineer, you are a Salesforce developer with full stack experience. You'll work with the business and...  ...Salesforce Certifications Experience with one or more: Data Migration, ETL/Integration, IBM iSeries: COBOL, NodeJS, HTML, JavaScript and... 
    Night shift
    Weekend work

    Dot Foods Inc.

    Chesterfield, MO
    1 day ago

  • Embedded Software Engineer Intern (Bridgeton)

    $39.93k - $57.1k

     ...This position will be working on a variety of programs and writing (C,C++,C#, Java and Python) software that runs on the hardware we develop. The position will also execute an interdisciplinary process to ensure that the customer and stakeholder needs and requirements are... 
    Contract work
    Part time
    Work experience placement
    Summer work
    Internship
    Work at office
    Local area
    Flexible hours

    Leonardo DRS

    Bridgeton, MO
    7 hours agonew

  • Embedded Software engineer with Security Clearance

    $80 - $90 per hour

     ...technical field. * Extensive experience (7 years) as a software architect or senior engineer in embedded multicore systems.Experience developing architectural strategies for mixed-criticality and partitioned systems. * Deep expertise with partitioned operating systems,... 
    Immediate start
    Remote work

    Artech Information Systems

    Hazelwood, MO
    1 day ago

  • Embedded Software Engineer with Security Clearance

     ...Lead the evaluation and performance analysis of multicore processor platforms running real-time and containerized applications. • Develop and implement architectural strategies for embedded hybrid Linux and containerized environments alongside safety-certifiable... 
    Hourly pay
    Full time
    Contract work
    Temporary work
    Work experience placement
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    Innova Solutions, Inc.

    Hazelwood, MO
    19 hours ago

  • Full Stack Developer (Maryland Heights)

     ...Insight Global is looking to add a Full Stack Developer in the St. Louis, MO area. The team specifically supports all development, testing and deployment of one of the most used applications our client has. This application is a homegrown ticketing system that holds thousands... 
    Part time
    Remote work

    Insight Global

    Maryland Heights, MO
    7 hours agonew

  • Software Engineers-Simulation (Associate or Experienced)

    $110.5k - $149.5k

     ...Engineers–Simulation (Associate or Experienced) at BOEING summary: As a Software Engineer–Simulation at Boeing, the role involves developing, troubleshooting, and supporting virtual simulation software for defense and aerospace applications. Key responsibilities include... 
    Permanent employment
    Full time
    Work experience placement
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    BOEING

    Berkeley, MO
    1 hour agonew