NewUnreal Engine C++ Developer VailexaUnreal Engine C++ DeveloperSaint Louis, MissouriThe developer will be responsible for implementing core simulation logic, system integrations, and real-time application functionality to support training, sensor visualization, and mission scenarios. We are supporting a flight simulation and pilot training initiative focused on high-fidelity mission visualization and real-time simulation environments.
C# Developer - Level 5 Envision, LLCC# Developer - Level 5Saint Louis, MOThere are no skill silos, as team members utilize a broad range of functional and technical skills and are encouraged to expand their functional knowledge and technical capabilities. Actively participate in testing (regression testing, unit testing, code reviews, and assisting analysts with functional testing).
C# Developer - Level 4 Envision, LLCC# Developer - Level 4Saint Louis, MOThere are no skill silos, as team members utilize a broad range of functional and technical skills and are encouraged to expand their functional knowledge and technical capabilities. Actively participate in testing (regression testing, unit testing, code reviews, and assisting analysts with functional testing).
Senior Java Developer CYNET SYSTEMSSenior Java DeveloperSt.Louis, MO$50–$55 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Full Stack Developer WCBincFull Stack DeveloperSt. Louis, MissouriThis person needs to have the ability to assess user feedback, rapidly tailor user interface functionality to meet client needs, and modify application code with business logic. • Designs, codes and unit tests front and back-end solutions for integrated systems using packages such as HTML, CSS, JavaScript, Python, Go, SQL.
Mulesoft Developer Equifax IncMulesoft DeveloperSt. Louis, MOIf you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you. Equifax is seeking creative, high-energy and driven Mulesoft software Developer with hands-on development skills to work on a variety of meaningful projects.
Software Engineer (TS/SCI Clearance Required) North Point TechnologySoftware Engineer (TS/SCI Clearance Required)St. Louis, MODuties will include writing validation tests against existing baselines to ensure code integrity throughout Agile development efforts, assisting with unit testing, programming, and developing in Python, Java Spring, and other modern frameworks. The qualified candidate must have an active TS/SCI security clearance, and will help collect the sciences, technology, and tradecraft used to measure and model the globe, providing three-dimensional accuracy of every point in, on, or above the Earth.
NewDynamics 365 CE Senior Developer GuidehouseDynamics 365 CE Senior DeveloperFairview Heights, IL$102,000–$170,000 / yearExperience developing & deploying business applications using Microsoft's Dynamics Power Platform Core Skills: C#, SQL, Net, D365, CRM SDK, CRM Plugins, PowerApps, Power BI, & Power Automate (formally known as Flow). Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Senior Software Engineer-Oracle EPM AmerenSenior Software Engineer-Oracle EPMSaint Louis, MO$105,100–$204,400 / yearAssists in performing root cause analysis and interprets the results; provides input into action plan (e.g., provides input into prioritization of offensive/customer-facing issues and defensive/internally focused backlogs). Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologies and development methodologies.
Software Engineer Reinventing GeospatialSoftware EngineerSaint Louis, MO$115,000–$170,000 / yearParticipate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Full Stack Software Engineer Reinventing GeospatialFull Stack Software EngineerSaint Louis, MOWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company.
Software Engineer Reinventing Geospatial, Inc. (RGi)Software EngineerSt. Louis, MO$115,000–$170,000 / yearJoin us in empowering analysts and giving our intel and combat organizations the decision advantage over our near-peer adversaries through actionable intelligence derived from vast amounts of Geospatial Intelligence data. Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories.
Full Stack Software Engineer Reinventing Geospatial, Inc. (RGi)Full Stack Software EngineerSt. Louis, MOWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company.
Software Engineer II DiligentSoftware Engineer IINetherlands, MOIn this Software Engineer II role, you'll help build and evolve a Third Party Risk Management SaaS platform using Laravel and PHP, designing scalable APIs and services that keep performance and reliability front and center. Whether you're designing systems that leverage large language models or part of a team reimaging workflows with AI, you'll help us unlock entirely new ways of working and thinking.
Senior Blockchain Developer InterSources Inc.Senior Blockchain DeveloperChesterfield, MOAs a Blockchain Developer, you are responsible for developing application features and interfaces using blockchain technology. • Architect, develop and deploy decentralized applications providing permissioned access to data at both the smart contract and protocol level.
Lead Software Engineer Integrated Resources, IncLead Software EngineerMaryland Heights, MissouriContractorRequirements/Certifications: Tools currently used by team: Strong coding skills in SQL Toad Cognos BI Suite (Framework Manager, Report Studio, Workspace Advanced) Oracle and SQL server databases Microsoft development tools (SSAS, SSRS, SSIS) Jira for Agile developmentEssential Functions: Works with IT Architects and IT Analysts to break down a complex system into smaller components and coach/lead a team of software engineers to design and develop these components. Lead Software EngineerPosition: Lead Software Engineer (Cognos 10.2.2) Duration: 5+ Months Location: Maryland Heights MO 63043Description:Lead Software Engineer: Understands and develops requirements for a system (mapping documents) by working with Business and Stakeholders.
6J7MI3 (6J9)-Software Engineer-Test & Verification 3 (Test & Verification) LanceSoft Inc6J7MI3 (6J9)-Software Engineer-Test & Verification 3 (Test & Verification)Maryland Heights, MORemotePreferred Qualifications (Desired Skills/Experience): • Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor’s Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members.
Salesforce - Software Engineer The Timberline GroupSalesforce - Software EngineerSaint Louis, MissouriWorking knowledge of multiple 3 rd party applications (SQL server, Jitterbit Harmony and Jitterbit App Builder, Propel) and ERP applications (JD Edwards, Oracle, Hyperion) preferred. They will work closely with IT Business Analysts and Solution Architects to understand and analyze how core business processes interact with Salesforce CRM and identify key opportunities for improvement.
Mid-Level Software Engineer Leidos Holdings IncMid-Level Software EngineerSt. Louis, MO$87,100–$157,450 / yearIf you're passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.
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.
Senior Software Engineer Eastman Chemical CoSenior Software EngineerSt. Louis, MOThe company's innovation-driven growth model takes advantage of world-class technology platforms, deep customer engagement, and differentiated application development to grow its leading positions in attractive end markets such as transportation, building and construction, and consumables. This role is primarily focused on full-stack software engineering, with additional responsibility for improving the observability, stability, and operational excellence of our platforms in cloud environments.
Senior Software Engineer MasterCardSenior Software EngineerO'fallon, MO$115,000–$184,000 / 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.
Cleared Senior ServiceNow Developer Windward IT SolutionsCleared Senior ServiceNow DeveloperO'Fallon, ILWorks with external and internal stakeholders to understand, propose, and deliver digital transformation solutions with emphasis on request fulfillment, automated workflows through ServiceNow Service Catalogs and key ITIL processes like Request, Incident, Problem, Change, Knowledge, and other modules. With strategic consulting, unparalleled technical expertise and our proven Windward Service-Centric IT RoadMap, we help our clients align the core competencies of process, organization, information and technology to run the most sensitive and mission-critical IT environments in the world.
Lead Software Engineer Mastercard IncLead 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 Mastercards 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.
Senior Java Full-Stack Developer ICONMA, LLCSenior Java Full-Stack DeveloperO Fallon, MO$78.76–$83.29 / hourExperience 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. Respond to operational and business concerns related to future programs, projects, or enhancements to ensure consistent delivery of quality services.
Senior 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 Development Engineer II- CI/CD & Platform Automation Engineer (DevOps) EsriSoftware Development Engineer II- CI/CD & Platform Automation Engineer (DevOps)Saint Louis, MissouriDesign, implement, and maintain high-speed CI/CD pipelines using GitHub Actions/Azure DevOps for cloud-native workflows and Jenkins for complex, cross-platform on-premises build automation. Work with the team to help design and implement monitoring frameworks to track build performance; assist in automated load and performance testing of the Python stack to identify regressions before release.
NewFull-Stack Developer Lumos Networks Corp.Full-Stack DeveloperSt. Louis, MO$86,205–$100,000 / yearAbout Segra: Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions, all backed by industry-leading service and reliability. We invest in the communities we serve by hiring locally, empowering our teams, and continually upgrading our network infrastructure to deliver smarter, stronger technology solutions.
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.
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.
ABAP Senior Developer duvari groupABAP Senior DeveloperSaint Louis, MOThis individual will play a key role in designing, developing, enhancing, and supporting custom SAP solutions while partnering closely with functional stakeholders across multiple business areas. The ideal candidate combines strong technical expertise with the ability to translate business needs into scalable SAP solutions and enjoys working in a collaborative, fast-paced environment.
Senior Java Full-Stack Developer IconmaSenior Java Full-Stack DeveloperO Fallon, MO$78.76–$83.29 / hourExperience 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. Respond to operational and business concerns related to future programs, projects, or enhancements to ensure consistent delivery of quality services.
Senior MES Application Developer ApolisSenior MES Application DeveloperST LOUIS, MO$65 / hourWe are seeking an experienced Senior MES Application Developer with 7+ years of software development experience to design, develop, enhance, and support Manufacturing Execution System (MES) applications. The ideal candidate will work closely with business stakeholders and cross-functional teams to deliver high-quality manufacturing solutions and provide ongoing production support.
Software Engineer CACI International IncSoftware EngineerSt. Louis, MO$82,100–$172,400 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The Opportunity: Join a fast-paced Agile team developing mission-critical geospatial intelligence (GEOINT) applications supporting the National Geospatial-Intelligence Agency (NGA).
Software Engineer - Intermediate Equifax IncSoftware Engineer - IntermediateSt. Louis, MOAI-Augmented Developer: Proven track record of using generative AI tools to safely accelerate code generation, automate documentation, and optimize legacy refactoring while maintaining strict data security and code integrity guidelines. Cloud & Innovation Forward: Cloud-ready professional (GCP/AWS/Azure Certification preferred) with a passion for staying ahead of emerging tech trends and modernizing software delivery models.
Sr Java Developer HCL Global Systems Inc.Sr Java DeveloperSaint Louis, MOResponsibilities: As a Java Senior Developer, you will Maintain active relationships with Product Owner to understand business requirements, lead requirement gathering meetings and review designs with the product owner Own his backlog items and coordinate with other team members to develop the features planned for each sprint Perform technical design reviews and code reviews Be Responsible for prototyping, developing, and troubleshooting software in the user interface or service layers Perform peer reviews on source code to ensure reuse, scalability and the use of best practices Participate in collaborative technical discussions that focus on software user experience, design, architecture, and development Perform demonstrations for client stakeholders on project features and sub features, which utilizes the latest Front end and Backend development technologies Requirements: 6+ years of experience in Java/JEE development Skills in developing applications using multi-tier architecture Knowledge of google/AWS cloud Java/JEE, Spring, Spring boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers (WebSphere), SONAR, Agile, AJAX, Jenkins. etc skills in Unit testing application using Junit or similar technologies Good communication skills Leadership skills Provide overlap coverage with onsite/customer teams till 9 PM IST Capability to support QA teams with test plans, root cause analysis and defect fixing Strong experience in Responsive design, cross browser web applications Strong knowledge of web service models Strong knowledge in creating and working with APIs Experience with Cloud services, specifically on Google cloud Strong exposure in Agile, Scaled Agile based development models Familiar with Interfaces such as REST web services, swagger profiles, JSON payloads.
NewLead Software Test & Verification Engineer, Phantom Works BoeingLead Software Test & Verification Engineer, Phantom WorksBerkeley, MissouriBachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9+ years of related work experience OR Bachelor’s Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience. Knowledge of software practices (e.g., configuration control, change management, problem reporting, software design, peer review, testing, and T&E specific practices), programming languages, operating systems and computing technology applicable to laboratory and flight test systems, including real-time, non-real-time, network-centric, monitoring and control applications.
Software Engineer IV – ERP Finance (Oracle/PLSQL) SPECTRUMSoftware Engineer IV – ERP Finance (Oracle/PLSQL)St Louis, MOBeyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach. Grow Your Career Here We’re committed to growing a workforce that reflects the customers and communities we serve – providing opportunities for employment and advancement to all team members.
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.
Developer Build-A-Bear Workshop IncDeveloperSt Louis, MOIn this hands-on, individual contributor role, you'll drive the software development lifecycle-from understanding requirements and designing elegant solutions to coding, testing, documenting, & deploying high-quality applications. YOUR PERFORMANCE WILL BE MEASURED ON: Your performance will be measured by your ability to achieve annual department objectives and corporate goals, which include but are not limited to the following.
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.
Java Developer III Old Dominion Freight LineJava Developer IIISaint Charles, MO$105,716–$132,144 / yearExpertise with Agile software development methodologies (Scrum, XP, Kanban, etc.), JSP/Servlet container frameworks, Apache, Tomcat, JSP, JSF, Hibernate, Microservices, Springboot, REST, SOAP, Web Services, Web Services Security, and Test-Driven Development with JUnit or equivalent tool. Under the leadership of the manager and technical lead, assist in leading the process of designing, testing, and implementing programming applications using Java/J2EE programming language.
Senior Python Developer ArchKey Solutions LLCSenior Python DeveloperFenton, MOFull timePromotes and models the Company mission, vision and values through exercising sound and ethical business practices, championing all elements of diversity, equity, and inclusion (DEI) and providing high quality services and programs as they relate to clients, subcontractors, co-workers, suppliers, and the public. Experience with relational databases (PostgreSQL, MySQL, SQL Server) and NoSQL databases (MongoDB, Redis).
NewSr AI/ML Developer Abode Techzone LLCSr AI/ML DeveloperSt. Louis, MOYou will design, develop, and deploy LLM-powered agents and pipelines that directly serve field technicians in production. - Develop RAG pipelines with hybrid search (semantic + keyword), re-ranking, and Reciprocal Rank Fusion.
Principal Software Engineer - Postgres ClickHousePrincipal Software Engineer - PostgresNetherlands, MORemoteWith more than 4,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. This is a strategic and high-impact role for an engineer who can work independently across complex technical areas: from storage and performance optimization to distributed coordination and extension development.
ServiceNow Lead Developer MaximusServiceNow Lead DeveloperSt. Louis, MOFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. If you require assistance at any stage of the employment process-including accessing job postings, completing assessments, or participating in interviews,-please contact People Operations at applicantaccom@maximus.com .
Software Engineer MiTek Industries IncSoftware EngineerChesterfield, MO$85,000–$140,000 / yearIn this role, you will work closely with Software Engineering, Product Management, Quality Assurance, Architecture, and Customer-facing teams to deliver scalable, reliable software solutions that streamline operations, solve complex business challenges, and improve the customer experience for some of the nation's leading homebuilders. With nearly 5,600 team members worldwide, MiTek collaborates across the building industry to enable and accelerate transformational breakthroughs in design and construction to transform the way the industry designs, makes, and builds.
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required) North Point TechnologySoftware Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)St. Louis, MOThe ideal candidate has an excellent understanding of the full software development lifecycle and exceptional coding skills across front-end interfaces, backend services, and secure cloud integrations in support of the mission. The qualified candidate must have an active Top Secret/SCI security clearance and will design, develop, and deliver modern, cloud-native software solutions that enable national security missions.
Hybrid Cloud Platform Software Engineer CACI International Inc.Hybrid Cloud Platform Software EngineerSaint Louis, MO$98,500–$206,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Define and implement a hybrid on-prem/AWS cloud architecture and migrate existing applications to operate seamlessly in on-prem, cloud, and edge environments across multiple classification domains.
Training Developer / Instructor INTECONTraining Developer / InstructorScott AFB, IL$70,000–$90,000Coordinate with Government stakeholders, developers, and functional users to ensure training and documentation products accurately reflect operational requirements and system functionality. This position is responsible for designing, developing, delivering, and maintaining training and technical documentation supporting Air Mobility Command (AMC) mission planning modernization initiatives.