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senior software engineer Jobs in O Fallon, Missouri

  • Senior Software Engineer

    Maryland Heights, MissouriBoeingSenior Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information systems. A career with the Tapestry Solutions team brings the best...Full Job Details
  • Senior Software Engineer

    Maryland Heights, MissouriThe Boeing Company Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us....Full Job Details
  • Senior Software Engineer

    O Fallon, MissouriShiftCode AnalyticsInterview : Coding test + F2F interview Visa : USC, GC, GC EAD, H4, L2 This is hybrid from day-1 ( Local candidates highly preferred ) Description: Technical requirements: Java - Spring boot Understanding of event-based architecture (Axon Framework) - understand how events...Full Job Details
  • Senior Embedded Software Engineer

    Bridgeton, MissouriSES Government Solutions Job ID: 111929 The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers.We are a 4 year running Top Workplace in the Greater St....Full Job Details
  • Senior Software Engineer

    O Fallon, MissouriMasterCard 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 Job Details
  • Senior Software Engineer

    Earth City, MissouriU.S. BankAt U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and...Full Job Details
  • Senior Software Engineer with Security Clearance

    Saint Louis, MissouriRaft$110000.00 - 200000.00 a yearThis is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. All work must be conducted within the continental U.S. Who we are: Raft is a customer-obsessed non-traditional small business with a purposeful focus on...Full Job Details
  • Senior Software Engineer

    O Fallon, MissouriMasterCard 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 Job Details
  • Senior Voice Engineer with Security Clearance

    Scott Air Force Base, IllinoisCCS Global Tech$170000.00 a yearPosition: Voice Engineer III Location: Scott AFB, IL (Onsite) Duration: Full Time Salary: $170K Clearance: Top Secret Or Higher Overview of Position: We are seeking a Senior Voice Engineer to identify and resolve performance issues and be responsible for all troubleshooting,...Full Job Details
  • Senior Software Engineer

    O Fallon, MissouriMasterCard 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 Job Details
  • Senior Data Engineer

    O Fallon, MissouriMasterCard 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 Job Details
  • Information Assurance Engineer with Security Clearance

    Scott Air Force Base, IllinoisCEdge Software ConsultantsOverall Assignment Description: CEdge is looking for multiple Information Assurance Engineers at all experience levels to join our organization and support USTRANSCOM If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is...Full Job Details
  • Senior Electrical Engineer

    Troy, IllinoisMohr Talent$45.67 - 52.88 an hour Job Summary: The Sr. Electrical Engineer will design electrical and electronic products used in the protection and control of power generation, transmission, distribution, and motor systems. This includes developing designs for protective relays, voltage regulators, genset...Full Job Details
  • Senior Software Verification Tester

    Hazelwood, MissouriBioFire DiagnosticsIt is not every day that you can say the software you helped develop will save hundreds or thousands of lives per year, but at bioMérieux, we put innovation to work in life-saving diagnostic devices deployed across the world. With engineering centers in St. Louis, France,...Full Job Details
  • Junior Software Engineer

    Scott Air Force Base, IllinoisPeratonJunior Software Engineer - Python/C Job Locations US-IL-Scott AFB Requisition ID 62 Position Category Information Technology Clearance Secret Responsibilities Peraton is seeking a highly skilled, innovative mind for a Junior Software Engineer who will join the Joint...Full Job Details
  • Senior Software Developer

    Scott Air Force Base, IllinoisDecision PointSenior Software Developer ID Job Locations US-IL-Scott AFB Category Information Technology Type Regular Full-Time Overview Decision Point Corporation is looking for a Senior Software Developer to join our team supporting the Transportation Geospatial Information System...Full Job Details
  • Software Engineer

    Hazelwood, MissouriPDS Defense Engineering Software Engineer-Simulation 4 Hazelwood, MO Posted: 4/30/2025 Job Description Job ID : 211134 Job Category: Engineering Position Type: Associate - W2 Duration: 52 Shift: 1 PDS Defense, Inc. is seeking a Software Engineer-Simulation 4, in Hazelwood, MO. Job ID...Full Job Details
  • Software Engineer

    O Fallon, MissouriInabia Software & Consulting Inc.This role is open to candidates authorized to work in the U.S. without sponsorship now or in the future. No C2C. To be considered, please submit an updated resume (maximum 3 pages) in MS Word format, ensuring consistent font size and proper grammar. Job Title: Software...Full Job Details
  • Software Engineer

    Hazelwood, MissouriThe Boeing Company Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us....Full Job Details
  • Chief Software Engineer

    Maryland Heights, MissouriThe Boeing Company Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us....Full Job Details
  • Associate Software Engineer

    Hazelwood, MissouribioMerieux Inc. Description As a member of a team responsible for creating software for the development of innovative in vitro diagnostic solutions, the Associate Software Engineer will assist with the design and development of software as we transition to fully cloud-based application...Full Job Details
  • Principal Systems Engineer

    Bridgeton, MissouriLeonardo DRS Job ID: 112045 The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 4 year running Top Workplace in the Greater St...Full Job Details
  • Principal Systems Engineer

    Bridgeton, MissouriSES Government Solutions Job ID: 112045 The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers.We are a 4 year running Top Workplace in the Greater St....Full Job Details
  • Qlik Software Engineer

    O Fallon, MissouriNanosoft ConsultingAbout the job Qlik Software Engineer (hybrid-remote) This is a 24 month contract to hire role (hybrid-remote) PRIMARY RESPONSIBILITIES Develop both internal and external dashboards using Qlik Work closely with team members from across Client to identify functional and system...Full Job Details
  • Software Engineer

    Scott Air Force Base, IllinoisLeidos Description The Digital Modernization Sector has a career opportunity for a SDN SW Developer supporting the Global Solutions Management - Operations II (GSM-O II) contract at DISA. This contract includes the Operations, Sustainment, Maintenance, Repair, and Defense of the...Full Job Details
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