Senior Software Engineer-AI H&R Block IncSenior Software Engineer-AIMORemote$101,200–$161,900 / yearWith 70,000 associates and 9,000 retail tax locations across North America, Australia, Ireland, and India, we have helped millions of clients and countless communities. You will be joining an elite team of engineers charged with developing transformative GenAI capabilities to power the next generation of customer experiences.
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.
Electrical Engineer III Cannon Design Inc.Electrical Engineer IIISt. Louis, MODesign lighting, power distribution, signaling, communications and/or telecommunication systems for healthcare, education/higher education and commercial clients per applicable codes. We support equity, diversity, and inclusion efforts that benefit all employees through the leadership of our DEI Council, our Employee Resource Groups which are open to everyone, and other community initiatives.
System Engineer (MBSE) Agile DefenseSystem Engineer (MBSE)St Louis, MissouriPerform analyses for affordability, safety, reliability, maintainability, testability, survivability, human systems integration, survivability, vulnerability, susceptibility, system security, regulatory, certification, product assurance, product security (cyber security) and other specialties quality factors into a preferred configuration to ensure mission success. Define high level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation.
Solutions Architect Old Dominion Freight Line IncSolutions ArchitectSaint Charles, MO$143,250–$179,041 / yearUpdates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment; participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations. Develops software solutions by studying information needs; conferring with users and internal cross discipline IT department; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
Software Developer - Windows Platform Integration Leidos Holdings IncSoftware Developer - Windows Platform IntegrationMO$87,100–$157,450 / yearThe Force Protection Division is looking for a Software Developer - Windows Platform Integration supports the development, configuration, integration, and sustainment of Windows-based applications, services, interfaces, and supporting software components associated with the Rock Island Arsenal Increased Access OTA Prototype. This position focuses on software integration, interface development, supporting data exchange infrastructure, Windows environment configuration, and operational support activities that enable interoperability between sensors, communications systems, security platforms, and Government infrastructure.
Project Engineer AFB InternationalProject EngineerO'Fallon, MissouriOur palatants are specially designed to make pet foods, treats and supplements taste better, ensuring pets receive the vital nutrients they need. If you’re ready to take the lead on projects that truly make a difference—from improving safety to driving operational excellence—this is your opportunity to leave a lasting impact.
AI Embedded Systems Engineer Pfizer IncAI Embedded Systems EngineerChesterfield, MO$106,000–$176,600 / yearIn this role, you will leverage your expertise to design software and data solutions that enable the adoption of AI in Pharmaceutical Sciences (PharmSci) through the automation, digitization, and contextualization of scientific datasets. BS in Biology, Chemistry, Physics, Statistics, Computer Sciences or a related technical discipline with 4+ years of experience in a software development role focused on embedded systems and/or data operations.
Technical Product Manager Leidos Holdings IncTechnical Product ManagerMO$131,300–$237,350 / yearThe ideal candidate combines strong product management experience with a technical understanding of cloud technologies, software engineering, and DevSecOps, along with the ability to influence stakeholders, evaluate technical tradeoffs, and deliver innovative, scalable solutions that support critical national security missions. Demonstrated experience managing technical products, platforms, or cloud-native services by defining product strategy, developing roadmaps, prioritizing backlogs, and delivering customer-focused capabilities.
SharePoint Developer Leidos Holdings IncSharePoint DeveloperMO$87,100–$157,450 / 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.
Electrical Maintenance Supervisor NewMarket CorpElectrical Maintenance SupervisorIL$87,000–$105,000 / yearThe pay range displayed on each job posting reflects the previously determined minimum and maximum target for new hire salaries; within the range, individual pay is determined by factors including job scope, job-related skills, experience and relevant education or training. Coordinate with operations management to execute maintenance work plans according to the maintenance schedule while managing schedule breakers and emergency work by prioritizing and efficiently allocating resources to meet customer needs.
Director - Software/ AI Native Engineer BOLDDirector - Software/ AI Native EngineerSt. Louis, MO$160,000–$170,000 / yearFull timeExperience with: GitHub Copilot, Claude Code CLI, AI-assisted development platforms, LLM integrations, Agentic systems, AI orchestration frameworks. Deep understanding of: Software Engineering, Cloud Native Architecture, API Management, Microservices, DevOps & Platform Engineering.
Exploitation Specialist/GDAT Software Engineer LeidosExploitation Specialist/GDAT Software EngineerSaint Louis, MO$73,450–$132,775If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. January 13, 2026For 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.
Senior DevOps Engineer LeidosSenior DevOps EngineerChesterfield, MO$107,900–$195,050The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.
Software Engineer - Unifier and OPPM Envision, LLCSoftware Engineer - Unifier and OPPMSaint Louis, MOWorks closely with business analysts to gain understanding of basic requirements and translates into one or more API-led connectivity solutions (integrations, interfaces, proxies, objects, shared code library, etc.); reviews options to identify best solution and provides design for selected solution. Understands and is familiar with relevant technologies in order to design, develop, document, and support simple to moderately complex integration solutions utilizing design patterns, reference architectures and best practices.
Sr. Software Engineer - Mastercard Shiftcode Analytics, IncSr. Software Engineer - MastercardSt louis, 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.
Sr. Software Engineer bioMerieux SASr. Software EngineerHazelwood, MO$82,000–$115,000 / yearAs 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. If you are a qualified individual with a disability, you may request a reasonable accommodation in BioMérieux's or its affiliates' application process by contacting us via telephone at (385) 770-1132, by email at [email protected], or by dialing 711 for access to Telecommunications Relay Services (TRS).
Senior Software Engineer - News Engineering (Elasticsearch) London Stock Exchange Group PlcSenior Software Engineer - News Engineering (Elasticsearch)St. Louis, MO$113,900–$189,900 / yearLSEG's News Engineering group is looking for a Senior Software Engineer to help evolve our News platform, delivering enriched breaking news to customers worldwide in sub‑second time. You'll deepen your expertise in low-latency, high-throughput systems and have clear paths to expanding your career to technical leadership, architecture, reliability, or applied ML for news analytics.
Software Engineer Co-Op Nidec Motor CorporationSoftware Engineer Co-OpSt. Louis, MOPre-approval from the Nidec Talent Acquisition team is required before any external candidate can be submitted and such candidate must be submitted to the Nidec Talent Acquisition team. Requirements: Educational Requirements: currently enrolled in a bachelor's degree program for software engineering, computer science, or similar degrees.