Staff Software Engineer / Architect Java Modernization (AWS / Kubernetes) Yantran LLCStaff Software Engineer / Architect Java Modernization (AWS / Kubernetes)OFALLON, MOPosition Title: Staff Software Engineer / Architect – Java Modernization (AWS / Kubernetes). to lead the modernization of a largescale, mission critical Java platform.
Lead Software Engineer (C/C++) MasterCardLead Software Engineer (C/C++)O'fallon, MO$140,000–$231,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Lead Software Engineer MasterCardLead Software EngineerO'fallon, MO$140,000–$231,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Sr. Software Engineer Expert In Recruitment SolutionsSr. Software EngineerO Fallon, MOExperience with web services (SOAP/RESTful), servers (WebSphere, JBoss, Tomcat), HTML, JavaScript, jQuery, React or Angular, and IDEs such as Microsoft Visual Studio or Eclipse is a plus. You will work directly with senior engineers, architects, and product managers to deliver features that make the platform faster, more reliable, and more cost-efficient to run.
Software Engineer – Unifier and OPPM The Timberline GroupSoftware Engineer – Unifier and OPPMSaint Louis, MissouriThis is a highly visible position with direct exposure to system architecture decisions, integration design, and cross-functional collaboration, plus a clear path to long-term placement for the right fit. Responsibilities Analyze, design, code, test, configure, and modify software applications and enhancements using a range of programming languages, technologies, and development methodologies.
Software Engineer (Hazelwood, MO, US, 63042) FlightSafety InternationalSoftware Engineer (Hazelwood, MO, US, 63042)Hazelwood, MOThis role is responsible for creating and maintaining tools and applications that facilitate the production of 3D models, terrain databases, textures, materials, and animations for a wide range of simulated environments, including commercial airports, military installations, hospitals, oil and gas facilities, urban landscapes, and other real-world locations. The position collaborates closely with software engineers, artists, designers, and simulation subject matter experts to deliver scalable, efficient, and high-quality content creation solutions that enhance the realism and effectiveness of FlightSafety’s training products.
Software Engineer FlightSafety InternationalSoftware EngineerHazelwood, MOThis role is responsible for creating and maintaining tools and applications that facilitate the production of 3D models, terrain databases, textures, materials, and animations for a wide range of simulated environments, including commercial airports, military installations, hospitals, oil and gas facilities, urban landscapes, and other real-world locations. The position collaborates closely with software engineers, artists, designers, and simulation subject matter experts to deliver scalable, efficient, and high-quality content creation solutions that enhance the realism and effectiveness of FlightSafety’s training products.
Lead Software Engineer Delan Associates, IncLead Software EngineerO'Fallon, MOIdeal Candidate: A senior-level engineer who combines strong full-stack Java development skills with hands-on experience building Agentic AI frameworks (MCP + LLMs), while also possessing the analytical and design skills needed to support enterprise data platforms and Qlik Sense environments. This role will support the installation, configuration, administration, and enhancement of a Qlik Sense environment while helping develop next-generation Agentic products and data solutions.
Lead Software Engineer (Remote) Delan Associates, IncLead Software Engineer (Remote)O'Fallon, MORemoteIdeal Candidate: A senior-level engineer who combines strong full-stack Java development skills with hands-on experience building Agentic AI frameworks (MCP + LLMs), while also possessing the analytical and design skills needed to support enterprise data platforms and Qlik Sense environments. This role will support the installation, configuration, administration, and enhancement of a Qlik Sense environment while helping develop next-generation Agentic products and data solutions.
Lead Software Engineer - St. Louis, MO (Full-time) Georgia Tek SystemsLead Software Engineer - St. Louis, MO (Full-time)St. Louis, MONote: Please allow me to reiterate that I chose to contact you either because your resume had been posted to one of the internet job sites to which we subscribe, or you had previously submitted your resume to Gerogia IT Inc I assumed that you are either looking for a new employment opportunity, or you are interested in investigating the current job market. Familiarity with DBMS technology, including SQL Server, Oracle, Postgre SQL, MongoDB, and MySQL, and caching mechanisms such as Redis, Memcached, and Varnish.
Software Engineer - AI (Top Secret Clearance Required) North Point TechnologySoftware Engineer - AI (Top Secret Clearance Required)St. Louis, MOThe qualified candidate must currently hold an active Top Secret security clearance (with the ability to obtain SCI and CI Polygraph), and will work hand-in-hand with technical and program management leadership, along with various external stakeholders, to design and implement AWS Resiliency and Recovery capabilities including cross-AZ recovery procedures, infrastructure automation, and automated failover orchestration. Additional duties include enhancing software development workflows, quality metrics, KPIs, and dashboards with AI, applying broad systems engineering lifecycle experience to cloud architectural design and development, and leading teams to deploy and configure services using AI tools.
Sr. Software Engineer (Data & Application Engineer) US BankSr. Software Engineer (Data & Application Engineer)Earth City, MO$111,605–$131,300 / yearIn addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures. Strong problem-solving, communication, collaboration, and ownership mindset, with a focus on quality, continuous improvement, delivery excellence, and business impact.
Software Engineer II ICONMA, LLCSoftware Engineer IIO Fallon, MO$64.85–$67.93 / hourYou have experience in building AI assisted application, autonomous and semi-autonomous agents and agentic workflow systems that coordinate multi-step tasks. Research new frameworks and technologies, assist with prototyping and proof-of-concepts, participate in code reviews.
NewSenior Software Engineer, Windows/Desktop Applications - St. Louis, MO, USA SpeechifySenior Software Engineer, Windows/Desktop Applications - St. Louis, MO, USASt. Louis, MOThese include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
Software Engineer, Senior (Hazelwood, MO, US, 63042) FlightSafety InternationalSoftware Engineer, Senior (Hazelwood, MO, US, 63042)Hazelwood, MOBachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering, Mechanical Engineering, Aerospace Engineering or other applicable technical field; and two years related experience; or equivalent combination of education and experience, or Master’s Degree in Computer Science, Computer Engineering, Electrical Engineering, Mechanical Engineering, Aerospace Engineering or other applicable technical field preferred. Accountable for the control and distribution of documents and/or equipment subject to export control restrictions or other applicable laws and regulations and the security of FSI materials, projects and business information regarding the methods and techniques used in the production and usage of FSI products.
Software Engineer III Agile DefenseSoftware Engineer IIISt Louis, MissouriRequisition #: 1520 Job Tittle: Software Engineer III Location: St. Louis, MO Clearance: Secret Required Certification: CompTIA Security+ certification or a degree in Computer Science Job Description. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Software Engineer/Data Science Librarian Leidos Holdings Inc.Software Engineer/Data Science LibrarianArnold, MO$107,900–$195,050 / yearLeidos is seeking a Software Engineer / Data Science Librarian to manage and optimize databases supporting GEOINT product dissemination and to process expurgation requests for distributing discrete geospatial product packages to internal and foreign partners. This position requires a highly collaborative professional capable of working across multiple offices, maintaining and enhancing ingest and validation scripts, and supporting end‑to‑end software operations related to GEOINT product dissemination.
Senior Software Engineer Abode Techzone LLCSenior Software EngineerSt. Louis, MOThis role is ideal for a full-stack engineer who thrives in fast-paced technical environments, enjoys solving complex engineering challenges, and has experience building cloud-native applications with modern development practices. You will play a key role in designing new capabilities, enhancing existing systems, integrating external services, and collaborating with cross-functional teams to deliver secure and reliable solutions.
NewLead Software Engineer BioMerieuxLead Software EngineerHazelwood, Missouri$117,000–$175,500 / yearIn addition, bioMérieux offers a competitive Total Rewards package that may include: · A choice of medical (including prescription), dental, and vision plans providing nationwide coverage and telemedicine options · Company-Provided Life and Accidental Death Insurance · Short and Long-Term Disability Insurance · Retirement Plan including a generous non-discretionary employer contribution and employer match. As a member of the R&D organization responsible for creating software for the development of innovative in vitro diagnostic solutions, the Senior Software Engineer contributes to the design and delivery of scalable, cloud-native software solutions by implementing modern software development practices, including microservices architecture, CI/CD, and infrastructure as code.
Exploitation Specialist/Gdat Software Engineer Leidos Holdings Inc.Exploitation Specialist/Gdat Software EngineerSaint Louis, MO$73,450–$132,775 / yearAdditional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.