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 BioMerieuxLead Software EngineerHazelwood, MissouriIn 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.
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.
Data Engineer - Top Secret Clearance Metric5Data Engineer - Top Secret ClearanceSt. Louis, MO$140,000–$170,000 / yearThe role requires experience building scalable, real-time data streaming architectures, designing CDC pipelines, and ensuring data is accessible, reliable, and mission-ready. Extensive experience with OpenSearch (or Elasticsearch), including cluster management, writing ingest pipelines, managing index templates, and writing complex, optimized search queries.
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.
Manager, Software Engineering MasterCardManager, Software EngineeringO'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. You will be responsible for driving engineering excellence across software design, development, testing, security, performance, operability, and delivery, ensuring solutions are scalable, resilient, and aligned with Mastercard's enterprise objectives.
NewSoftware Engineer III Agile DefenseSoftware Engineer IIISt Louis, Missouri$140,000–$145,000 / yearRequisition #: 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.
Full Stack Software Developer (.Net/React) CopelandFull Stack Software Developer (.Net/React)Saint Louis, MOWe are seeking a Full Stack Software Developer who can architect, build, and optimize modern headless digital experiences using Optimizely CMS, Next.js, React, personalization, analytics, and content delivery technologies. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.
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.
Engineer, Software BoseEngineer, SoftwareJapan, MOConduct deep‑level debugging for amplifier software, including root-cause analysis of complex issues involving software, hardware, and vehicle interfaces. Drive technical discussions with OEM customers and internal teams to clarify requirements, evaluate feasibility, and propose robust technical solutions.
Staff Software Engineer / Architect Echo IT Solutions, IncStaff Software Engineer / ArchitectSt. Louis, MOThis role is hands on and focused on rewriting and re architecting existing systems using modern Java, Spring Boot, and cloud native patterns on AWS. We are looking for a staff level software engineer / architect to lead the modernization of a largescale, mission critical Java platform.
Software Engineer 1 (Backend UI And AI) US BankSoftware Engineer 1 (Backend UI And AI)Earth City, MO$86,360–$101,600 / 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. Consistently creates optimal design adhering to architectural best practices; considers scalability, reliability and performance of systems/contexts affected when defining technical designs.
Software Engineer I MasterCardSoftware Engineer IO'fallon, MO$72,000–$115,000 / 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. Be part of the Shared Services, Fraud Products team developing new capabilities for Mastercard's Decision Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity.
Software Engineer 2 (Ai/Genai) US BankSoftware Engineer 2 (Ai/Genai)Earth City, MO$98,175–$115,500 / 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. Demonstrated strong analytical, problem-solving, and communication skills while collaborating with product, architecture, security, and business teams; championed responsible AI, AI governance, model evaluation, and continuous adoption of emerging AI technologies.
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.
Senior Software Engineer Trinity Global ConsultingSenior Software EngineerSt. Louis, MODocument and demonstrating solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code. At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes: Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP.
Software Engineer (Full-Stack Web) (Remote) Computer Information ConceptsSoftware Engineer (Full-Stack Web) (Remote)St. Louis, MORemote$100,000–$140,000 / yearYou will work across a React and TypeScript frontend, C#/.NET APIs, and SQL Server data to understand business workflows, collaborate on design, implement the user experience and supporting APIs, test your work, and follow it into production. Success in this role means delivering reliable, maintainable features, collaborating effectively across product design and engineering, and developing a strong understanding of both the customer workflow and the technology supporting it.
Senior Software Engineer - In Vitro Diagnostics WilsonHCGSenior Software Engineer - In Vitro DiagnosticsSaint Louis, MOBachelor’s degree in Computer Science, Data Engineering, Software Engineering, Biology, Microbiology, Clinical Laboratory Science, Biomedical Engineering, or a related technical or scientific field. Implements infrastructure as code (IaC) solutions using AWS CloudFormation, containerized applications (Docker/Kubernetes), and automated deployment workflows.
Cloud Software Engineer III Envision, LLCCloud Software Engineer IIISt. Louis, MOJob Description: Infrastructure & NetworkingDesign secure, scalable AWS environments using Multi-Account architectures. Required Technical SkillsCloud Platform: Advanced expertise in Amazon Web Services (AWS).
Software Engineer FlightSafety InternationalSoftware EngineerHazelwood, MOApplication areas include real time simulation; simulation of aircraft systems, navigation, aircraft dynamics; simulator interoperability; simulation software integration with OEM software; simulator software system design; computer systems and information security. Any offer of employment is contingent upon successful completion of required compliance reviews, including verification that the candidate is not prohibited from employment under U.S. economic sanctions programs administered by the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC).